Konica Minolta Bizhub PRESS C71cf Service Manual

Service Manual Konica Minolta Bizhub PRESS C71cf;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Konica Minolta Bizhub PRESS C71cf copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Konica Minolta Bizhub PRESS C71cf photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

Revision List
Bizhub PRESS C71cf Version 1.1
Bizhub PRESS C71cf Version 2.0

A) SAFETY AND IMPORTANT WARNING ITEMS
1. IMPORTANT NOTICE
2. DESCRIPTION ITEMS FOR DANGER, WARNING AND CAUTION
2.1 Description items in this Service Manual
2.2 Description items for safety and important warning items
3. SAFETY PRECAUTIONS (RW-101, RW-201)
3.1 Safety instructions
3.2 Operation
3.3 Safety cover
3.4 Safety precautions
4. SAFETY WARNINGS
4.1 MODIFICATIONS NOT AUTHORIZED BY KONICA MINOLTA, INC
4.1.1 Actions requiring special attention
4.2 POWER PLUG SELECTION
4.2.1 Power Cord Set or Power Plug
4.3 CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE
4.3.1 Power Supply
4.3.2 Installation Requirements
4.3.3 After Service
4.4 FUSE
4.5 Used Batteries Precautions
4.5.1 ALL Areas
4.5.2 Germany
4.5.3 France
4.5.4 Denmark
4.5.5 Finland, Sweden
4.5.6 Norway
5. WARNING INDICATIONS ON THE MACHINE
5.1 Warning indications inside the machine
5.2 Warning indications on the boards
6. MEASURES TO TAKE IN CASE OF AN ACCIDENT

B) NOTATION OF THE CONTENTS
1. PRECAUTION ON HANDLING THIS MANUAL
2. PRODUCT NAME
3. TRADEMARK
3.1 TRADEMARKS OF OTHER COMPANIES
3.2 OWN TRADEMARKS
4. ELECTRICAL PARTS AND SIGNALS

C) PRODUCT SPECIFICATIONS
1. bizhub PRESS C71cf
1.1 Type
1.2 Function
1.3 Paper
(1) Size and weight
(2) Type of paper*1
1.4 Operation checked paper
1.5 Materials
1.6 Maintenance
1.7 Machine data
1.8 Operating environment
1.9 Note regarding the specifications
2. RW-101/RW-201
2.1 Type
2.2 Functions
2.2.1 Function
2.2.2 Speed
2.3 Paper
2.4 Machine data
2.5 Operating environment
2.6 Note regarding the specifications
3. IC UNIT
3.1 Type
3.2 Function
3.3 Paper
3.4 Machine data
3.5 Operating environment
3.6 Note regarding the specifications
4. MK-744
4.1 Type
4.2 Function
4.3 Machine data
4.4 Operating environment
4.5 Note regarding the specifications

D) OVERALL COMPOSITION
1. SYSTEM CONFIGURATION
1.1 System configuration (C71cf)
1.2 Configuration for optional device (C71cf)
1.2.1 Combination of the main body and optional devices
2. MAIN BODY UNIT CONFIGURATION
3. PAPER PATH
3.1 Straight paper exit mode
4. CONTROL BLOCK DIAGRAM
5. IMAGE CREATION PROCESS
5.1 Image creation flow and functions
5.2 Charging process (Step 1)
5.3 Laser exposure process (Step2)
5.4 Developing process (Step 3)
5.5 Intermediate transfer process (Step 4)
5.6 2nd transfer process (Step 5)
5.7 Drum cleaning (Sub step 1)
5.8 Exposure before the charge (Sub step 2)
5.9 Transfer belt cleaning (Sub step 3)
5.10 Toner collection (Sub step 4)
6. IMAGE CREATION CONTROL
7. PROCESS SPEED
7.1 bizhub PRESS C71cf

E) SERVICE TOOL
1. bizhub PRESS C71cf
1.1 Service material list
1.1.1 Service material list
1.2 Jig list
1.2.1 Jig list
1.3 Dedicated tool list
1.3.1 For main body
1.3.2 For RW-101/RW-201
1.4 Mail remote notification system
1.4.1 Outline
1.4.2 Operating environment
1.4.3 Major functions
1.4.4 Initial setting
1.4.5 Operating instructions of the mail remote notification system
1.4.6 Mail sending
1.5 Machine setting data Import
1.5.1 Outline
1.5.2 Setting method
1.6 Job history list
1.6.1 Outline
1.6.2 Major functions
1.6.3 Setting method
1.7 Counter list acquisition using USB memory
1.7.1 Outline
1.7.2 List that can be acquired
1.7.3 Acquisition method
1.8 Panel log
1.8.1 Outline
1.8.2 Log acquisition method
1.9 ORU-M Counter Rewrite
1.9.1 Load from external memory
1.9.2 Store to external memory
1.10 Management Tool
1.10.1 Outline
1.10.2 Installation of Management Tool
1.10.3 Starting up of Management Tool
1.10.4 Technician mode
1.10.5 bizhub PRESS C71cf
1.10.6 Backup file
1.10.7 Administrator mode
1.10.8 Various setting for the software
1.10.9 Error message list
1.11 Machine state log store
1.11.1 Outline
1.11.2 Log acquisition
1.12 Real-time Remote Panel
1.12.1 Setting Up Real-time Remote Panel
1.12.2 Installing Web plugin
1.12.3 Enabling VNC Function of the Machine
1.12.4 Setting Connection to VNC Viewer
1.12.5 Remote Panel Advanced Settings
1.13 Service assistant tool
1.13.1 Outline
1.13.2 Major functions
1.13.3 Operating instructions of the service assistant tool
1.13.4 About the handling of tool
1.14 CS Remote Analysis
1.14.1 Outline
1.14.2 Function
1.14.3 Setup method
1.14.4 Login method
1.14.5 How to use

F) PERIODICAL MAINTENANCE
1. MAINTENANCE ITEM
1.1 Maintenance item
1.1.1 Procedure of the periodical maintenance
1.1.2 Condition of the count
1.2 bizhub PRESS C71cf
1.2.1 Print distance (m)
1.3 RW-101
1.3.1 Print distance (m)
1.4 RW-201
1.4.1 Print distance (m)
2. PERIODICALLY REPLACED PARTS LIST
2.1 Periodical replacement parts
2.2 bizhub PRESS C71cf
2.3 RW-101
2.4 RW-201
3. ORU-M PARTS
3.1 Life value of the ORU-M parts
(1) ORU-M corresponding parts
3.2 ORU-M parts list
(1) ORU-M parts list
3.3 ORU-M parts replacement timing
(1) ORU-M target unit life setting
(2) ORU-M warning icon display
3.4 Management of ORU-M parts counter
(1) Counter display
(2) Counter clear
4. LIFE VALUE
4.1 Life value of materials/parts
4.2 Life value determining condition
5. PERIODICAL MAINTENANCE PROCEDURE bizhub PRESS C71cf
5.1 External section
5.1.1 Replacement of the developing dust-proof filter/1, the developing dust-proof filter/2, the PH dust-proof filter and the
suction dust-proof filter
5.1.2 Replacement of the filter box
5.1.3 Replacement of the electric component cooling filter
5.2 Write section
5.2.1 Cleaning the dust proof glass
5.3 Photo conductor section
5.3.1 Pulling out the process unit
5.3.2 Cleaning around the process unit
5.3.3 Replacing the drum unit
5.4 Charging section
5.4.1 Replace the charging corona
5.4.2 Cleaning the charging corona
5.5 Developing section
5.5.1 Developer charging procedures
5.5.2 Replacing the Developing unit/Y, /M, /C, /K
5.6 Intermediate transfer section
5.6.1 Removing/reinstalling the intermediate transfer unit
5.6.2 Replacing the transfer belt cleaning unit
5.6.3 Replacing the belt cleaning blade and the side seal
5.6.4 Replacing the toner collection sheet
5.6.5 Replacement the intermediate transfer belt, and cleaning of the rollers and the cleaning sheet
5.6.6 Replacing the 1st transfer roller/Y, /M, /C and /K and the transfer roller bearing/Y, /M, /C and /K
5.6.7 Replacing the 2nd transfer roller/Up
5.6.8 Removing and reinstalling the 2nd transfer unit
5.6.9 Replacing the 2nd transfer roller/Lw and the C-clip, and cleaning around the 2nd transfer unit
5.6.10 Replacing the separate discharging unit
5.6.11 Replacement of the 2nd transfer earth plate assy
5.6.12 Cleaning the intermediate transfer belt with glue
5.7 Toner collection section
5.7.1 Replacing the waste toner box
5.8 Media interface section
5.8.1 Replacement of the Label conveyance film (Main body)
5.9 Fusing section
5.9.1 Removing/reinstalling the fusing unit
5.9.2 Replacement of the fusing heater lamp assy/Up and the neutralizing flat spring assy
5.9.3 Replacement of the fusing bearing/Up, /Lw1, the heat insulating sleeve/Up, /Lw1, the belt regulating sleeve, the fusing
belt, the fusing roller/1, /2, and the neutralizing ring
5.9.4 Replacement of the fusing temperature sensor/3 (TH3)
5.9.5 Replacement of the fusing bearing/Lw2, heat insulating sleeve/Lw2, fusing roller/Lw. Lubrication of the fusing drive
gears
5.9.6 Replacement of the fusing temperature sensor/4 (TH4)
5.9.7 Replacement of the fusing gear/2
5.10 Paper exit section
5.10.1 Replacing the paper exit roller
6. PERIODICAL MAINTENANCE PROCEDURE RW-101/RW-201
6.1 Roll paper feed section, Rewind rolled paper section
6.1.1 Cleaning and lubrication of the lug
6.1.2 Replace the O-rings
6.2 Paper feed conveyance section, Rewind conveyance section
6.2.1 Replace the label conveyance film
6.2.2 Replace the label pressure roller

G) DISASSEMBLING/REASSEMBLING
1. ITEMS THAT YOU MUST NOT DISASSEMBLE
1.1 List of Items that you must not disassemble
1.2 Items that you must not disassemble
1.2.1 Screw-lock applied screw
1.2.2 Prohibition of adjusting the volume of boards
1.2.3 Writing unit cover
1.2.4 Photo conductor section
1.2.5 Intermediate transfer section
1.2.6 Fusing section
2. WARNING AND PRECAUTION ON DISASSEMBLING
2.1 Precaution on removing the boards
3. bizhub PRESS C71cf
3.1 List of disassembling and assembling parts
3.2 Disassembling and assembling procedures
3.2.1 Precautions on disassembling and assembling
3.2.2 Duct cover
3.2.3 Rear cover
3.2.4 Left cover
3.2.5 Right cover/Up1, right cover/Up2, right cover/Lw1, right cover/Lw2
3.2.6 Top cover/Fr, top cover/Md, top cover/Rr, arm cover/Fr, arm cover/Rr
3.2.7 Main board unit
3.2.8 Overall control board (OACB)
3.2.9 SSD (SSD)
3.2.10 Writing unit
3.2.11 Process unit
3.2.12 Image correction unit
3.2.13 Toner bottle motor, toner bottle clutch, remaining toner sensor, toner supply motor
3.2.14 Conveyance section
3.2.15 Fusing paper exit plate assy
3.2.16 Temperature sensor/1 (TH1), temperature sensor/2 (TH2), thermostat/1 (TS1), thermostat/2 (TS2)
3.2.17 Thermostat/3 (TS3)
3.2.18 Temperature sensor/5 (TH5)
3.2.19 HDD1, HDD2, HDD3
3.2.20 Hard disk/4 (HDD4)
3.2.21 Change the roll paper width from 250 mm to 330 mm
3.2.22 Change the roll paper width from 330 mm to 250 mm
4. RW-101/RW-201
4.1 Replace the able speed reducer
4.1.1 Preparation
4.1.2 Procedure
4.2 Replace the coupling
4.2.1 Preparation
4.2.2 Procedure
4.3 Replace the battery
4.3.1 Preparation
4.3.2 Procedure
4.4 Replace the lug/Inside
4.4.1 Preparation
4.4.2 Procedure
4.5 Replace the lug/Outside
4.5.1 Preparation
4.5.2 Procedure
4.6 Replace the label restriction roller
4.6.1 Preparation
4.6.2 Procedure
4.7 Replace the V-belt
4.7.1 Preparation
4.7.2 Step
4.8 Replace the neutralizing sheet
4.8.1 Preparation
4.8.2 Step
4.9 Replace the label regulation holder
4.9.1 Preparation
4.9.2 Step
4.10 Replace the loop fan
4.10.1 Preparation
4.10.2 Step
4.11 Replace the powder clutch
4.11.1 Preparation
4.11.2 Procedure
4.12 Replace the powder brake
4.12.1 Preparation
4.12.2 Procedure
5. MK-744
5.1 List of disassembling and assembling parts
5.2 Disassembling and assembling procedures
5.2.1 Precautions on disassembling and assembling
5.2.2 Status indicator light

H) CLEANING/LUBRICATION
1. CLEANING/LUBRICATION PROCEDURES

I) ADJUSTMENT/SETTING
1. CHECKPOINTS
1.1 Checking before you start work
1.2 Checkpoints when you conduct the on-site service
2. UTILITY
2.1 List of utility menus
2.1.1 Hierarchy
2.2 Start and exit
2.2.1 Start method
2.2.2 Exit method
3. LIST OF ADJUSTMENT ITEMS
3.1 Priority for Adjustment/Setting after replacing parts
4. SERVICE MODE
4.1 Service Mode List
4.1.1 Hierarchy
4.2 Start and exit
4.2.1 Start method
4.2.2 Exit method
4.3 Machine Adjustment
4.3.1 Loading and extraction procedure of the roll paper
4.3.2 Centering adjustment (printer adjustment – centering adjustment)
4.3.3 FD-Mag. Adjustment (Printer Adjustment)
4.3.4 CD-Mag. Adjustment (Printer Adjustment)
4.3.5 Skew Initial Position Memory (Printer Adjustment – Writing Initial Pos. Memory)
4.3.6 Color Registration Auto.Adj. (Printer Adjustment)
4.3.7 Crosswise Dir. Skew Adj. (Printer Adjustment)
4.3.8 Beam Pitch Adjustment (Printer Adjustment)
4.3.9 Color Registration Manual Adjustment (Printer Adjustment)
4.3.10 Fusing Speed Adjustment (Printer adjustment)
4.3.11 Loop (Fusing-Output) Adjustment (Printer Adjustment)
4.3.12 Print Start Distance Setting (Printer Adjustment)
4.3.13 Continuous Job Space Setting (Printer Adjustment)
4.3.14 Recall Standard Data (Printer Adjustment)
4.3.15 Printer gamma offset adjustment (quality adjustment – printer gamma adjustment)
4.3.16 Printer gamma curve adjustment (quality adjustment – printer gamma adjustment)
4.3.17 Recall Standard Data (Quality Adjustment)
4.4 Process adjustment
4.4.1 1st Transfer Manual Adj. (High Voltage Adjustment)
4.4.2 2nd Transfer Manual Adj. (High Voltage Adjustment)
4.4.3 Separation current manual adjustment (High voltage adjustment)
4.4.4 Pre-transfer Guide Confirm (High Voltage Adjustment)
4.4.5 Blade Setting Mode (Drum Peculiarity Adjustment)
4.4.6 Gamma Automatic Adjustment (Drum Peculiarity Adjustment)
4.4.7 Toner Density Sensor Init. (Drum Peculiarity Adjustment)
4.4.8 Toner Density Revert (Drum Peculiarity Adjustment)
4.4.9 Maximum density initial adjustment (drum peculiarity adjustment)
4.4.10 All developing unit replacement adjustment
4.4.11 IDC sensor output (sensor output confirm)
4.4.12 Toner Density Sensor Output (Sensor Output Confirm)
4.4.13 Humidity/Temperature Output (Sensor Output Confirm)
4.4.14 1st transfer resistance measurement (sensor output confirm)
4.4.15 2nd transfer resistance measurement (sensor output confirm)
4.4.16 Background Margin Fine Adj. (Process Fine Adjustment)
4.4.17 Develop AC Bias Fine Adj. (Process Fine Adjustment)
4.4.18 Develop AC Frequency (Process Fine Adjustment)
4.4.19 Toner Density Fine Adj. (Process Fine Adjustment)
4.4.20 Fine adjustment of fusing temperature (process fine adjustment)
4.4.21 Drum Small Rotation Interval (Interval/Quantity Adj.)
4.4.22 Recall Standard Data
4.5 System setting
4.5.1 Software DIPSW setting procedures
4.5.2 Software DIPSW setting list
4.5.3 Service Center TEL/FAX
4.5.4 Serial Number Setting
4.5.5 Setup date/type of business setting
4.5.6 Paper Size Registration
4.5.7 Troubleshooting for image errors
4.6 Counter and data
4.6.1 Maintenance Counter
4.6.2 Data collection procedures
4.6.3 Paper Size Counter (Total/copy/print)
4.6.4 Coverage Data History
4.6.5 Paper JAM History
4.6.6 JAM/JAM Counter Individual Sec
4.6.7 Counter of Each Copy Mode(1)
4.6.8 Counter of Each Copy Mode(2)
4.6.9 SC Counter/SC Counter Individual Sec
4.6.10 SC data of time series
4.6.11 Maintenance Counter Reset (Maintenance History)
4.6.12 Parts History in Time Series (Maintenance History)
4.6.13 Counter of each paper type
4.6.14 ORU-M Maintenance History
4.6.15 Check, setting and reset procedure of the Special Parts Counter
4.6.16 Special Parts Counter
4.6.17 Voluntary Part Counter (Parts Counter)
4.6.18 Total Counter History
4.6.19 Custom Counter Threshold Set
4.7 State confirmation
4.7.1 I/O Check Mode
4.7.2 Input check procedures
4.7.3 Output check procedures
4.7.4 IO check mode list
4.7.5 Main body adjustment data NVRAM board storage
4.7.6 Printer image processing board line memory check
4.7.7 Hard disk check
4.7.8 Hard disk replacing procedure
4.7.9 Replacing procedure of the write unit
4.7.10 Procedure when IO35-21 or IO35-25 is used
4.8 Firmware Version
(1) Usage
(2) Procedure
4.9 CS Remote Care
4.9.1 Outline
4.9.2 Setup procedure of the CS Remote Care (When using E-mail)
4.9.3 Setup procedure of the CS Remote Care (When using phone line modem)
4.9.4 Setup procedure of the CS Remote Care (When using WebDAV server)
4.9.5 List of combinations of E-mail CS Remote Care and Mail remote notification system
4.9.6 Mail initial setting
4.9.7 http communication setting
4.9.8 Log forwarding function
4.9.9 Input procedure of software DIPSW for CS Remote Care
4.9.10 List of software DIPSW for CS Remote Care
4.9.11 Setup confirmation
4.9.12 Maintenance call
4.9.13 Center call from administrator
4.9.14 Confirm communication log
4.9.15 Initialization of RAM for CS Remote Care
4.9.16 CS Remote Care error code list
4.9.17 TROUBLESHOOTING
4.10 List Output
(1) Usage
(2) Procedure
4.11 Test mode
4.11.1 Running Test Mode
4.11.2 Test Pattern Output Mode
4.11.3 Test Pattern Acquisition
4.11.4 Test pattern number 11 Beam check
4.11.5 Test pattern number 16 Linearity evaluation pattern
4.11.6 Test pattern number 25 registration mark position check pattern
4.11.7 Test pattern number 33 Linearity evaluation pattern
4.11.8 Test pattern number 40 Image skew check pattern (full-bleed print of test pattern number 16)
4.11.9 Test pattern number 43 Output 12 test patterns at a time
4.11.10 Test pattern number 51 Gradation evaluation pattern (main scan)
4.11.11 Test pattern number 52 Gradation evaluation pattern (sub scan)
4.11.12 Test pattern number 53 Overall halftone
4.11.13 Test pattern number 55 5% coverage
4.11.14 Test pattern number 58 Stripe check pattern
4.11.15 Test pattern number 62 Uneven density check pattern
4.11.16 Test pattern number 69 maximum density adjustment pattern
4.11.17 Test pattern number 75 Density correction pattern i1-iSis XL (Type1/Type2)
4.11.18 Test pattern number 76 Density correction pattern i1-Pro (Type1/Type2)
4.11.19 Test pattern number 77 Density correction pattern manual
4.11.20 Test pattern number 88 Chart file output
4.11.21 Test pattern number 97 Color registration gap check chart
4.12 Setting Data
4.12.1 Load from external memory
4.12.2 Store to external memory
4.13 Log Store
4.13.1 Log Store Setting
4.13.2 Execute Log Storing
4.13.3 Download of the log from Web Utilities
4.13.4 Acquire the logs for the controller via WebDAV
4.14 ORU-M Setting
4.14.1 ORU-M Object/Life Setting
4.14.2 ORU-M Life Threshold Setting
4.14.3 ORU-M Password Setting
4.15 HDD Setting
4.15.1 HDD Replace Initial Setting
4.15.2 Format HDD All Data
4.15.3 Format Controller HDD Data
4.15.4 Transfer HDD Data
4.16 Auth. Device Setting
4.16.1 Auth. Unit Selection
4.16.2 Loadable Driver Install
4.17 Startup Setting
4.17.1 Package Adjustment
4.17.2 Setup Setting 1
4.17.3 Setup Setting 2
5. IC UNIT SERVICE MODE
5.1 IC Service Mode List
5.2 Start and exit of IC service mode
5.2.1 Method to activate the IC service mode
5.2.2 Method to exit the IC service mode
5.3 System setting
5.3.1 IC software DIPSW setting procedures
5.3.2 IC software DIPSW list
5.4 CSV File Import/Export
5.4.1 Outline
5.4.2 Procedure
5.5 Font Backup
5.5.1 Outline
5.5.2 Preparation of backup/restore
5.5.3 Backup method
5.5.4 Method to restore
5.6 HP Tray Mapping
5.7 Controller Capture Setting
(1) Outline
(2) Spool setting
(3) Acquisition procedure
6. RW-101/RW-201 SERVICE MODE
6.1 System Menu List
6.2 Start/exit
(1) Usage
(2) Procedure
6.3 System
(1) Usage
6.4 IO monitor
(1) Usage
(2) Procedure
(3) IO table
6.5 Servo monitor
(1) Usage
(2) Procedure
6.6 Speed Setting
(1) Usage
(2) Procedure
6.7 Switch Language
(1) Usage
(2) Procedure
7. CE/ADMINISTRATOR SECURITY SETTING
7.1 CE/Administrator Security Setting list
7.2 Start/exit
(1) Usage
(2) Procedure
7.3 CE Authentication
(1) Usage
viii
(2) Procedure
7.4 CE Auth. Password
(1) Usage
(2) Procedure
7.5 Admin. Authentication
(1) Usage
(2) Procedure
7.6 Administrator Password
(1) Usage
(2) Procedure
8. FEE COLLECTION SETTING
8.1 Fee Collection Setting
9. ADJUSTMENT FOR POD
9.1 Process adjustment
9.1.1 Outline
9.1.2 2nd Transfer Output Adj
9.1.3 Separation AC
9.1.4 Separation DC
9.1.5 Temperature of the upper fusing roller
9.1.6 Temperature gap of the fusing edge and the middle
9.1.7 Temperature of the lower fusing roller
9.1.8 Fusing Speed Adjustment
9.1.9 Loop (Fusing-Output) Adjustment
9.1.10 Up fusing initial temperature
9.1.11 Toner amount save
9.1.12 Density adjustment per paper (YMC)
9.1.13 Density adjustment per paper (K)
9.1.14 Mis-centering detect JAM
9.1.15 Thick BK Mode
9.1.16 Change fusing pressure
10. MECHANICAL ADJUSTMENT bizhub PRESS C71cf
10.1 Fusing unit skew adjustment
(1) Usage
(2) Procedure
11. MECHANICAL ADJUSTMENT RW-101/RW-201
11.1 Label pressure roller release position adjustment
(1) Usage
(2) Step
11.2 Pull roller pressure adjustment
(1) Usage
(2) Procedure
11.3 Paper break off sensor adjustment
(1) Usage
(2) Procedure

J) REWRITING OF FIRMWARE
1. OUTLINE
1.1 Type
1.1.1 USB MEMORY ISW
1.1.2 Internet ISW
1.2 Board to be rewritten and firmware
1.3 Firmware data flow
1.4 Precautions on rewriting the firmware
1.4.1 ISW execution procedures
1.5 Error list
1.5.1 Main body error list
1.5.2 Troubleshooting procedure for the main body error
1.5.3 Operation when firmware abnormality occurs
2. ISWTRNS_G
2.1 Specifications
2.1.1 ISWTrns_G (PC software)
2.2 Installation of the ISWTrns_G
(1) Procedure
2.3 Usage of the ISWTrns_G
2.3.1 Firmware checksum check
2.4 Error list
(1) ISWTrns_G error list
(2) ISWTrns_G troubleshooting
3. USB MEMORY ISW
3.1 Usage of the USB memory ISW
3.1.1 Procedure
3.1.2 Main body error list
4. INTERNET ISW
4.1 Outline
4.2 Operating environment
4.3 Usage precautions
4.3.1 Notice to administrator
4.3.2 Power cut during writing
4.4 Initial setting
(1) Setting from the operation panel
(2) Setting from the Web browser
4.5 Internet ISW using the Web Utilities
4.5.1 Procedure
4.6 Internet ISW using the operation panel
4.6.1 Procedure
4.6.2 Main body error list
4.7 Authentication of the proxy server in Internet ISW
(1) Proxy server
(2) Authentication of the proxy server
(3) Authentication type of the proxy server and the command list
(4) Remark
5. Project transmission by SD memory card
5.1 Accessing the sequencer operation panel section and configuration
5.1.1 Procedure for accessing the sequencer operation panel section
5.1.2 Configuration
5.2 Project transfer flow
5.2.1 Project transfer flow
5.3 Batch saving
5.3.1 Procedure
5.4 Save the rewriting program
5.5 Checking the roll diameter setting offset value of wind/paper feed
5.5.1 Procedure
5.6 Batch loading
5.6.1 Procedure
5.7 Check the program version
5.8 Input the roll diameter setting offset value of wind/paper feed
5.8.1 Procedure
5.9 How to switch the language to display
5.9.1 Step
6. PT program rewriting procedure
6.1 Outline
6.2 NB-Designer specifications
6.2.1 How to get the NB-Designer
6.2.2 Operating environment of the software
6.2.3 Installation of NB-Designer
6.3 Rewriting the PT program
6.3.1 Requirements for rewriting the program
6.3.2 How to rewrite the program

K) TROUBLESHOOTING
1. JAM INDICATION
1.1 Jam code list
1.18 Solution for J-3105
1.18.1 Procedure
2. MALFUNCTION CODE
2.1 Trouble reset method
2.2 Malfunction code list
2.3 Malfunction code due to the connector disconnection
2.3.1 bizhub PRESS C71cf
2.4 Solution 1 (C-0001_0300)
2.4.1 C-0002
2.4.2 C-0101
2.4.3 C-0233
2.4.4 C-0234
2.4.5 C-0238
2.5 Solution 2 (C-0301_0400)
2.5.1 C-0301*
2.5.2 C-0302*
2.5.3 C-0304*
2.5.4 C-0323*
2.5.5 C-0324*
2.5.6 C-0373*
2.5.7 C-0374*
2.6 Solution 3 (C-2001_2400)
2.6.1 C-2001
2.6.2 C-2004
2.6.3 C-2201
2.6.4 C-2202
2.6.5 C-2203
2.6.6 C-2204
2.6.7 C-2211
2.6.8 C-2212
2.6.9 C-2213
2.6.10 C-2214
2.6.11 C-2220
2.6.12 C-2221
2.6.13 C-2222
2.6.14 C-2223
2.6.15 C-2224
2.6.16 C-2225
2.6.17 C-2302*
2.6.18 C-2303*
2.6.19 C-2304*
2.6.20 C-2305*
2.6.21 C-2306*
2.6.22 C-2307*
2.7 Solution 4 (C-2401_2500)
2.7.1 C-2401
2.7.2 C-2402
2.7.3 C-2403
2.7.4 C-2404
2.7.5 C-2431
2.7.6 C-2432
2.7.7 C-2433
2.7.8 C-2434
2.7.9 C-2441
2.7.10 C-2442
2.7.11 C-2443
2.7.12 C-2444
2.7.13 C-2451
2.7.14 C-2452
2.7.15 C-2453
2.7.16 C-2454
2.7.17 C-2455
2.7.18 C-2456
2.7.19 C-2457
2.7.20 C-2458
2.7.21 C-2470
2.8 Solution 5 (C-2701_2800)
2.8.1 C-2701
2.8.2 C-2702
2.8.3 C-2703
2.8.4 C-2704
2.8.5 C-2711
2.8.6 C-2712
2.8.7 C-2713
2.8.8 C-2714
2.8.9 C-2720
2.8.10 C-2721
2.9 Solution 6 (C-2801_3000)
2.9.1 C-2801
2.9.2 C-2802
2.9.3 C-2803
2.9.4 C-2804
2.9.5 C-2811
2.9.6 C-2812
2.9.7 C-2813
2.9.8 C-2814
2.9.9 C-2821
2.9.10 C-2822
2.9.11 C-2823
2.9.12 C-2824
2.9.13 C-2831
2.9.14 C-2832
2.9.15 C-2833
2.9.16 C-2834
2.9.17 C-2840
2.9.18 C-2841
2.10 Solution 7 (C-3001_3500)
2.10.1 C-3101
2.10.2 C-3102
2.10.3 C-3103
2.10.4 C-3104
2.10.5 C-3301*
2.10.6 C-3302*
2.10.7 C-3303
2.10.8 C-3304*
2.10.9 C-3305*
2.10.10 C-3307*
2.10.11 C-3308*
2.10.12 C-3401
2.11 Solution 8 (C-3501_4000)
2.11.1 C-3501 *
2.11.2 C-3502 *
2.11.3 C-3503*
2.11.4 C-3504*
2.11.5 C-3509*
2.11.6 C-3510*
2.11.7 C-3511*
2.11.8 C-3512*
2.11.9 C-3513*
2.11.10 C-3515*
2.11.11 C-3517*
2.11.12 C-3518*
2.11.13 C-3519*
2.11.14 C-3801*
2.11.15 C-3802*
2.11.16 C-3803*
2.11.17 C-3807*
2.11.18 C-3901*
2.11.19 C-3902*
2.11.20 C-3903*
2.11.21 C-3904*
2.11.22 C-3905*
2.11.23 C-3906*
2.11.24 C-3907*
2.11.25 C-3908*
2.11.26 C-3909*
2.11.27 C-3910*
2.11.28 C-3911*
2.11.29 C-3912*
2.11.30 C-3913*
2.11.31 C-3917*
2.12 Solution 9 (C-4001_5000)
2.12.1 C-4101
2.12.2 C-4102
2.12.3 C-4103
2.12.4 C-4104
2.12.5 C-4501
2.12.6 C-4502
2.12.7 C-4503
2.12.8 C-4504
2.12.9 C-4505
2.12.10 C-4506
2.12.11 C-4507
2.12.12 C-4508
2.12.13 C-4511
2.12.14 C-4512
2.12.15 C-4513
2.12.16 C-4514
2.12.17 C-4515
2.12.18 C-4516
2.12.19 C-4517
2.12.20 C-4518
2.12.21 C-4520
2.12.22 C-4521
2.12.23 C-4522
2.12.24 C-4601
2.12.25 C-4602
2.12.26 C-4603
2.12.27 C-4604
2.12.28 C-4611
2.12.29 C-4612
2.12.30 C-4613
2.12.31 C-4614
2.12.32 C-4631
2.12.33 C-4632
2.12.34 C-4633
2.12.35 C-4634
2.12.36 C-4641
2.12.37 C-4642
2.12.38 C-4643
2.12.39 C-4644
2.12.40 C-4661
2.12.41 C-4662
2.12.42 C-4663
2.12.43 C-4705
2.12.44 C-4709
2.12.45 C-4713
2.12.46 C-4714
2.12.47 C-4715
2.12.48 C-4716
2.12.49 C-4717
2.12.50 C-4718
2.12.51 C-4719
2.12.52 C-4720
2.12.53 C-4721
2.12.54 C-4722
2.12.55 C-4723
2.12.56 C-4724
2.12.57 C-4725
2.12.58 C-4726
2.12.59 C-4727
2.12.60 C-4728
2.12.61 C-4840
2.12.62 C-4850*
2.13 Solution 10 (C-5001_6000)
2.13.1 C-5001
2.13.2 C-5002 *
2.13.3 C-5003
2.13.4 C-5006
2.13.5 C-5007
2.13.6 C-5010
2.13.7 C-5301*
2.13.8 C-5305*
2.13.9 C-5307*
2.13.10 C-5309*
2.13.11 C-5310*
2.13.12 C-5311*
2.13.13 C-5401
2.13.14 C-5402
2.13.15 C-5403
2.13.16 C-5404
2.14 Solution 11 (C-6001_7000)
2.14.1 C-6801
2.14.2 C-6802
2.15 Solution 12 (C-7001_9999)
2.15.1 C-7001
2.16 Solution 13 (C-C001_C200)
2.16.1 C-C101
2.16.2 C-C102
2.16.3 C-C104
2.16.4 C-C120
2.16.5 C-C121
2.16.6 C-C131
2.16.7 C-C136
2.16.8 C-C140
2.16.9 C-C150
2.16.10 C-C151
2.16.11 C-C170
2.17 Solution 14 (C-C201_E100)
2.17.1 C-D010
2.17.2 C-D020
2.17.3 C-D030
2.17.4 C-D040
2.17.5 C-D050
2.17.6 C-D060
2.17.7 C-D070
2.17.8 C-D080
2.17.9 C-D0C0
2.17.10 C-D0D0
2.17.11 C-D0D1
2.17.12 C-D0E1
2.17.13 C-D0E3
2.17.14 C-D0E4
2.17.15 C-D0E5
2.17.16 C-D0E8
2.17.17 C-D0EF
2.17.18 C-D0F0
2.17.19 C-D0F1
2.17.20 C-D0F5
2.17.21 C-D0F6
2.17.22 C-D0F8
2.17.23 C-E007
2.17.24 C-E009
2.17.25 C-E012
2.17.26 C-E013
2.17.27 C-E014
2.17.28 C-E015
2.17.29 C-E017
2.17.30 C-E018
3. TROUBLES THAT DO NOT DISPLAY THE MALFUNCTION CODE
3.1 The power of main body does not become active
3.1.1 Activate the main power switch but the power LED of the operation panel does not light up in red
3.1.2 Activate the main power switch and the sub power switch, but the touch panel does not display anything
3.1.3 Activate the sub power switch but the power LED does not switch from red to green
3.1.4 The operation panel stops on the “Please wait starting system” screen
4. IMAGE TROUBLE
4.1 Outline of solution
4.1.1 Test pattern print
4.2 Solution
4.2.1 Image trouble sample illustrations
4.2.2 White line 1, white band 1, color stripe 1, color band 1
4.2.3 White line 2, white band 2, color stripe 2, color band 2
4.2.4 Uneven density 1
4.2.5 Uneven density 2
4.2.6 Gradation error
4.2.7 Inky backside
4.2.8 Color reproduction error
4.2.9 Color registration error
4.2.10 Gray background
4.2.11 Light image, low density, textured
4.2.12 Color spots
4.2.13 White spots, void areas
4.2.14 Blurry white spots, blurry color spots
4.2.15 Blank print, black print
4.2.16 Ripple unevenness (solid images of R, B, G)
4.2.17 Moire
4.2.18 Uneven gloss, trails of rollers
4.2.19 Image memory, size memory
4.2.20 Darker at trailing edge, faint at leading edge
4.2.21 Pitch unevenness
4.2.22 Periodical white dot, color dot
4.2.23 Poor fusing performance, offset
4.2.24 Blurred image
4.2.25 Brush effect, image bleeding
4.2.26 Developing ghost
5. IC PROTECTOR
5.1 Outline
5.2 IC protector list
5.2.1 bizhub PRESS C71cf
5.3 IC protector location
5.3.1 bizhub PRESS C71cf
6. TROUBLESHOOTING (IC UNIT)
6.1 IC malfunction code list
6.2 IC solution
6.2.1 00-001
6.2.2 00-002
6.2.3 01-001
6.2.4 01-002
7. TROUBLESHOOTING (RW-101/RW-201)
7.1 Paper feed section malfunction
7.1.1 Confirmation procedure of Paper feed section malfunction
7.1.2 Loop abnormality
7.2 Servo Abnormality
7.2.1 Confirming procedure of servo malfunction
7.2.2 Code list
7.2.3 Solution for error code
7.2.4 Alarm list
7.2.5 Warning list
7.2.6 Error reset
7.3 System Abnormality
7.3.1 Confirming procedure of system abnormality
7.3.2 Battery low
7.3.3 CC-Link
7.3.4 Error reset
7.4 Other Abnormalities
7.4.1 The paper feed tension is not applied to the RW-101
7.4.2 The wind tension is not applied to the RW-201
8. OTHER ABNORMALITIES (ERROR CODES, TROUBLESHOOTINGS)

L) PARTS/CONNECTOR LAYOUT DRAWING
1. PARTS LAYOUT DRAWING
1.1 bizhub PRESS C71cf
1.1.1 Main body rear side 1
1.1.2 Main body rear side 2
1.1.3 Main body upper surface
1.1.4 Main body left side
1.1.5 Main body front side1
1.1.6 Main body front side2
1.1.7 Write section
1.1.8 Developing section
1.1.9 Intermediate transfer section
1.1.10 Image correction unit section
1.1.11 Vertical conveyance section
1.1.12 Conveyance section
1.1.13 Conveyance section 1
1.1.14 Conveyance section 2
1.1.15 Conveyance section 3
1.1.16 Fusing section
1.1.17 Paper exit section
1.1.18 Operation panel section
1.2 RW-101
1.2.1 Left-front side
1.2.2 Right-front side
1.2.3 Inside the unwind loop unit OS box
1.2.4 Rear side
1.2.5 Inside the unwind GS control box/1 (APUGS1), 2 (APUGS2)
1.3 RW-201
1.3.1 Right-front side
1.3.2 Left-front side
1.3.3 Inside the rewind loop unit OS box (APROS)
1.3.4 Rear side
1.3.5 Inside the rewind GS control box/1 (APRGS1)
2. CONNECTOR LAYOUT DRAWING IN BOARD
2.1 bizhub PRESS C71cf
2.1.1 Overall control board
2.1.2 Printer control board
2.1.3 Printer image processing board
2.1.4 Conveyance drive board
2.1.5 Drum drive board
2.1.6 DC power supply/1
2.1.7 DC power supply/2
2.1.8 High voltage unit/1
2.1.9 High voltage unit/2
2.1.10 Operation board/1
2.1.11 Operation board/2
2.1.12 LCD board
2.1.13 NVRAM board
2.1.14 USB relay board
2.1.15 Fusing control board/1 (only for Europe)
2.1.16 Fusing control board/2 (only for Europe)
2.1.17 Fusing control board/3 (FUSCB3) (only for Europe)
2.2 RW-101
2.3 RW-201

M) TIMING CHART
1. bizhub PRESS C71cf
1.1 Timing chart when the sub power switch becomes active (in the morning)
1.2 Timing chart when the sub power switch becomes active (not in the morning)

N) WIRING DIAGRAM
1. bizhub PRESS C71cf
1.1 bizhub PRESS C71cf (1/4)
1.2 bizhub PRESS C71cf (2/4)
1.3 bizhub PRESS C71cf (3/4)
1.4 bizhub PRESS C71cf (4/4)
2. RW-101/RW-201
2.1 RW-101/RW-201 (1/8)
2.2 RW-101/RW-201 (2/8)
2.3 RW-101/RW-201 (3/8)
2.4 RW-101/RW-201 (4/8)
2.5 RW-101/RW-201 (5/8)
2.6 RW-101/RW-201 (6/8)
2.7 RW-101/RW-201 (7/8)
2.8 RW-101/RW-201 (8/8)

O) THEORY OF OPERATION bizhub PRESS C71cf
1. OUTLINE
1.1 Unit configuration
1.2 Paper path
2. INTERFACE SECTION
2.1 Configuration
2.1.1 Main body right side
2.1.2 Main body left side
2.1.3 Main body upper side
3. WRITING SECTION
3.1 Configuration
3.2 Operation
3.2.1 Exposure path
3.2.2 Writing control
3.2.3 Writing area
3.2.4 Color registration control
3.2.5 Image stabilization control
4. PHOTO CONDUCTOR SECTION
4.1 Configuration
4.2 Drive
4.3 Operation
4.3.1 Erase lamp (EL) control
4.3.2 Image stabilization control
5. CHARGING SECTION
5.1 Configuration
5.2 Operation
5.2.1 Charging control
5.2.2 Image stabilization control
6. DEVELOPING SECTION
6.1 Configuration
6.2 Drive
6.3 Operation
6.3.1 Developer conveyance
6.3.2 Developing bias
6.3.3 Developing suction control
6.3.4 Developing cooling control
6.3.5 Auto refining developing system
6.3.6 Image stabilization control
7. TONER SUPPLY SECTION
7.1 Configuration
7.2 Drive
7.2.1 Toner bottle drive
7.2.2 Toner supply drive
7.3 Operation
7.3.1 Toner conveyance device
7.3.2 Toner supply control to the toner hopper
7.3.3 Toner supply control to the developing unit
7.3.4 Remaining toner amount detection control
7.3.5 Stop control of printing without toner
8. INTERMEDIATE TRANSFER SECTION
8.1 Configuration
8.2 Drive
8.2.1 Transfer belt conveyance pressure drive
8.2.2 2nd transfer pressure release mechanism
8.3 Operation
8.3.1 Transfer belt conveyance, 1st transfer roller pressure and release mechanism
8.3.2 1st transfer control
8.3.3 2nd transfer mechanism
8.3.4 2nd transfer control
8.3.5 Image correction unit shutter mechanism
8.3.6 Blade setting mode control
8.3.7 Belt filming prevention control
8.3.8 Image stabilization control
9. TONER COLLECTION SECTION
9.1 Configuration
9.2 Drive
9.3 Operation
9.3.1 Toner collection control
9.3.2 Waste toner box detection control
9.3.3 Waste toner box full detection control
10. MEDIA INTERFACE SECTION
10.1 Configuration
10.2 Mechanism
10.2.1 Tension roller/2 position switching mechanism
10.2.2 Tension roller/4 position switching mechanism
10.2.3 Roller rotation / fixed switching mechanism
10.2.4 Alignment roller adjustment mechanism
11. PRE-TRANSFER CONVEYANCE SECTION
11.1 Configuration
11.2 Drive
11.2.1 Outline
11.2.2 Mis-centering detection timing
11.2.3 Centering correction control
11.2.4 Mis-centering detection JAM control
12. FUSING SECTION
12.1 Configuration
12.2 Drive
12.2.1 Fusing roller drive
12.2.2 Fusing pressure release drive
12.3 Operation
12.3.1 Fusing roller drive control
12.3.2 Pressure release control
12.3.3 Fusing temperature control
12.3.4 Malfunction protection
12.3.5 Fusing roller/Lw cooling control
12.3.6 Fusing air separation control
12.3.7 Shortening setting of the thermal storage time
13. CONVEYANCE SECTION
13.1 Configuration
13.2 Drive
13.2.1 Intermediate conveyance drive
13.2.2 Intermediate conveyance roller pressure and release drive
13.3 Operation
13.3.1 Intermediate conveyance roller pressure and release mechanism
13.3.2 Conveyance control
14. PAPER EXIT SECTION
14.1 Configuration
14.2 Drive
14.2.1 Paper exit drive
14.3 Operation
14.3.1 Conveyance control
14.3.2 Print end operation
15. IMAGE STABILIZATION CONTROL
15.1 Outline
15.2 Long correction control
15.2.1 Outline
15.2.2 Automatic long correction control
15.2.3 Manual long correction control
15.2.4 Operation flow of the long correction control
15.3 Other image stabilization controls
15.3.1 Color registration control
16. IMAGE PROCESSING SECTION
16.1 Image processing in the write section
16.1.1 Image processing flow in the write section
16.1.2 DRAM (Local), DRAM (System), HDD
16.1.3 Color conversion, ACS process
16.1.4 Magnification processing in the sub scan direction
16.1.5 Image compressing
16.1.6 Image enlargement
16.1.7 Skeletonization/Outline letter emphasis
16.1.8 Outline emphasis
16.1.9 Smoothing
16.1.10 Toner amount save
16.1.11 Calibration correction (Standard)
16.1.12 Density balance
16.1.13 Gradation correction gamma
16.1.14 G7 calibration correction
16.1.15 Screen processing, Error diffusion operation
16.1.16 Delay control between drums
16.1.17 PWM gamma
16.1.18 PWM conversion
16.1.19 Writing unit/Y, writing unit/M, writing unit/C, writing unit/K
17. POWER SOURCE SECTION
17.1 Operating parts with the connection of the power cord
17.1.1 Configuration
17.1.2 Operation
17.2 Operating parts when the main power switch (SW1) becomes active
17.2.1 Configuration
17.2.2 Operation
17.3 Operating parts when the sub power switch (SW2) becomes active
17.3.1 Configuration
17.3.2 Operation
17.4 Power cord
17.4.1 Configuration
18. FAN SECTION
18.1 Configuration
18.2 Operation
18.2.1 Image processing cooling fan (FM1) control
18.2.2 Power supply cooling fan/1 (FM2) control
18.2.3 Power supply cooling fans/2 (FM3), power supply cooling fans/3 (FM4), power supply cooling fans/4 (FM5) control
18.2.4 Drum motor cooling fan/1 (FM6), drum motor cooling fan/2 (FM7) control
18.2.5 Fusing exhaust fan (FM8) control
18.2.6 Fusing belt exhaust fan (FM9) control
18.2.7 Fusing separation fan/1 (FM10), fusing separation fan/2 (FM11), fusing separation fan/3 (FM12) control
18.2.8 Fusing intake fan (FM13) control
18.2.9 Exhaust fan/Rr (FM14) abnormality
18.2.10 Exhaust fan/Fr (FM15) control
18.2.11 Transfer belt fan (FM17) control
18.2.12 PH cooling fan (FM18) control
18.2.13 Tacking fan/1 (FM19), Tacking fan/2 (FM20), Tacking fan/3 (FM21) control
18.2.14 Cyclone exhaust fan (FM22) control
18.2.15 Paper exit cooling fan/1 (FM23), paper exit cooling fan/2 (FM25) control
18.2.16 ADU ventilation fan (FM24) control
18.2.17 Developing fan/1 (FM26), Developing fan/2 (FM27) and Developing fan/3 (FM28) control
18.2.18 ADU cooling fan (FM29) control
18.2.19 Fusing roller cooling fans/1 (FM33) and Fusing roller cooling fans/2 (FM34) control
19. COUNTER SECTION
19.1 Configuration
19.2 Operation
20. ACS CONTROL
20.1 Switching from color mode to black and white mode
20.1.1 Outline
20.1.2 Timing for switching the mode
20.2 Count at ACS
20.2.1 Black and white mode (1st transfer roller/Y, 1st transfer roller/M, 1st transfer roller/C released)
20.2.2 Color mode (1st transfer roller/Y, 1st transfer roller/M, 1st transfer roller/C, 1st transfer roller/K pressed)
21. HDD/MEMORY/PROTECTION CHIP
21.1 Configuration
21.2 Operation
21.2.1 HDD section components
21.2.2 Components of UK-207

PA) THEORY OF OPERATION RW-101
1. OUTLINE
1.1 Unit configuration
1.2 Paper path
1.2.1 RW-101
2. ROLL PAPER FEED SECTION
2.1 Configuration
2.2 Drive
2.3 Operation
2.3.1 Roll paper feed control
2.3.2 Remaining roll paper amount detection control
2.3.3 Paper feed tension ON/OFF switching
3. PAPER FEED CONVEYANCE SECTION
3.1 Configuration
3.2 Drive
3.2.1 Pull roller drive
3.2.2 Paper holding drive
3.3 Operation
3.3.1 Paper feed conveyance control
3.3.2 Loop control
3.3.3 Paper holding control
3.3.4 Roller pressure and release mechanism
4. OTHER
4.1 Cover open and close detection control
4.2 Emargency stop PB/Emargency stop reset PB
4.3 Amp
4.4 RW-101 control box

PB) THEORY OF OPERATION RW-201
1. OUTLINE
1.1 Unit configuration
1.2 Paper path
1.2.1 RW-201
2. REWIND ROLL PAPER SECTION
2.1 Configuration
2.2 Drive
2.3 Operation
2.3.1 Rewind roll paper control
2.3.2 Remaining roll paper amount detection control
2.3.3 Roll paper break off detection control
3. REWIND CONVEYANCE SECTION
3.1 Configuration
3.2 Drive
3.3 Operation
3.3.1 Rewind conveyance control
3.3.2 Loop control
3.3.3 Side guide mechanism
3.3.4 Roller pressure and release mechanism
4. OTHER
4.1 Cover open and close detection control
4.2 Emargency stop PB/Emargency stop reset PB
4.3 Amp
4.4 RW-201 control box
4.5 Status indicator lamp lighting conditions
4.6 Cooling fan
4.6.1 Purpose
4.6.2 ON timing
4.6.3 OFF timing

R) COLOR ADJUSTMENT
1. COMBINATION OF EXECUTION TIMING AND ITEMS
2. QUALITY ADJUSTMENT
2.1 Select screen
2.1.1 Execution timing
2.1.2 Step
2.2 Gamma Automatic Adjustment
2.2.1 Execution timing
2.2.2 Step
2.3 Density Balance Adjustment
2.3.1 Execution timing
2.3.2 Procedure
2.4 Maximum density initial adjustment
2.4.1 Execution timing
2.4.2 Adjustment target value of C71cf (reference)
2.4.3 Preparation
2.4.4 Procedure for setup
2.4.5 Procedure for maintenance
2.4.6 Measure the density with the spectrophotometer
2.5 Maximum density adjustment
2.5.1 Execution timing
2.5.2 Step
2.6 Calibration
2.6.1 Execution timing
2.6.2 Procedure (for i1Pro, i1Pro2, ES-1000, ES-2000 or FD-5BT)
2.7 Exact Color
2.7.1 Execution timing
2.7.2 Procedure (for i1Pro, i1Pro2, ES-1000, ES-2000 or FD-5BT)
2.8 G7 Calibration
2.8.1 Execution timing
2.8.2 Procedure (for i1Pro, i1Pro2, ES-1000, ES-2000 or FD-5BT)
S TROUBLESHOOTING GUIDE Ver2.0 (REPORTS FROM THE MARKET)
1. IMAGE QUALITY
1.1 Spot
1.1.1 Cyclic white spot/black spot
1.1.2 Color Spots due to soilage inside machine
1.1.3 Color spots (black spots)
1.1.4 White Spot due to the developing leakage (foreign material)
1.1.5 White dots from 2nd transfer unit
1.2 Line/Band
1.2.1 Line and uneven density countermeasure flow
1.2.2 White lines (to sub-scan direction)
1.2.3 Line like ripple on image
1.2.4 Waste toner packing
1.2.5 Image got blurred affected by ozone (cyclic white band)
1.2.6 Photoconductor (Drum) memory
1.2.7 Developing screw mark (at low speed)
1.2.8 Developing roller (44mm) cycle banding (different density)
1.2.9 Irregular darker or lighter density band appears after leaving machine under high humidity environment (Green)
1.2.10 8mm interval FD lines
1.2.11 FD Lines and Banding
1.2.12 5mm cycle density difference caused by the fusing unit
1.3 Others
1.3.1 Image after white part becomes darker (Developing ghost)
1.3.2 Darker at the trailing edge of image
1.3.3 Background or toner scattering after continuous low coverage
1.3.4 How to maintain consistent color during continuous printing
1.3.5 Too high gloss
1.3.6 C-2451, C-2452, C-2453 or C-2454, Low toner density
1.3.7 Poor transfer at image front
1.3.8 Fainted outline, darker at edge
1.3.9 Image background under high temperature
1.3.10 Toner is not cleaned at the edge of the transfer belt
1.3.11 Transferability on embossed paper
1.3.12 Image density is lighter on uncoated paper (unsmooth paper)
1.3.13 Gloss memory
1.3.14 Center of line gets broken
1.3.15 Secondary color text scatters
1.3.16 Image offset caused by fusing unit
1.3.17 Toner band control setting
1.3.18 Gloss variation depending on the environmental temperature
1.3.19 White spot/white line caused by discharge noise in the 2nd transfer process
1.3.20 Toner soilage at the paper edge
1.3.21 Cyclic color shift is appeared on continuous print
2. PAPER
2.1 Others
2.1.1 Paper waving
2.1.2 Slipping media conveyance on label pressure roller
2.1.3 Paper conveyance / handling failure (Paper meandering, skewing and damage)
2.1.4 Sticking paper media on the label pressure roller
2.1.5 Stick paper media in the buffer section of un-wider
2.1.6 Conveyance failure in the rewinder buffer section due to dew
3. MACHINE TROUBLES
3.1 Error code
3.1.1 C-2451, C-2452, C-2453 and C-2454 occur
3.1.2 C-3102 ADU wiring connector is disconnected
3.1.3 C-4521, color registration unit is not positioned correctly
3.2 Others
3.2.1 How to eject developer
3.2.2 Note for the developing shutter installation work
3.2.3 ADU MT lever is very hard to release
3.2.4 Melted substrate on fusing section (After immediately power down)
4. Winder or rewinder Troubles
4.1 Others
4.1.1 Paper reverse and wrap up on the rewinder label pressure roller
4.1.2 Uneven sides of rewinder roll when it is becoming big

Number of pages: 1100.