Konica Minolta Bizhub 235 Bizhub 215 Bizhub 195 Service Manual and Parts List Manual

Service Manual and Parts List Manual Konica Minolta Bizhub 235 Bizhub 215 Bizhub 195;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Konica Minolta Bizhub.
You can print, zoom or read any diagram, picture or page from this Service Manual and Parts List 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 235 Bizhub 215 Bizhub 195 photocopier. You can find easily everything what do you need.
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Revision history
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 WARNINGS
3.1 MODIFICATIONS NOT AUTHORIZED BY KONICA MINOLTA BUSINESS TECHNOLOGIES, INC
3.1.1 Actions requiring special attention
3.2 POWER PLUG SELECTION
3.2.1 Power Cord Set or Power Plug
3.3 CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE
3.3.1 Power Supply
3.3.2 Installation Requirements
3.3.3 After Service
3.4 FUSE
3.5 Used Batteries Precautions
3.5.1 ALL Areas
3.5.2 Germany
3.5.3 France
3.5.4 Denmark
3.5.5 Finland, Sweden
3.5.6 Norway
3.6 Laser Safety
3.6.1 Laser Safety
3.6.2 Internal Laser Radiation
3.6.3 Laser Safety Label
3.6.4 Laser Caution Label
3.6.5 PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT
4. WARNING INDICATIONS ON THE MACHINE
4.1 Warning indications inside the machine
4.2 Warning indications on the boards
5. MEASURES TO TAKE IN CASE OF AN ACCIDENT

B. NOTATION OF THE CONTENTS
1. NOTATION OF THE CONTENTS
1.1 Product name
1.2 Brand name
1.3 Paper feed direction

C. PRODUCT SPECIFICATIONS
1. bizhub 235/215/195
1.1 Type
1.2 Functions
1.3 Paper
1.4 Materials
1.5 Print volume
1.5.1 bizhub 215
1.5.2 bizhub 195
1.6 Machine specifications
1.7 Operating environment
1.8 Print function
1.9 Scan function
2. AD-509
2.1 Type
2.2 Paper type
2.3 Machine specifications
2.4 Operating environment
3. DF-625
3.1 Type
3.2 Functions
3.3 Paper type
3.4 Paper feed prohibited originals
3.5 Paper feed not guaranteed originals
3.6 Mixed original feed chart
3.7 Machine specifications
3.8 Operating
4. MB-505
4.1 Paper
4.2 Machine specifications
4.3 Operating environment
5. PF-507
5.1 Type
5.2 Paper type
5.3 Machine specifications
5.4 Operating environment
6. FK-510

D. OVERALL COMPOSITION
1. SYSTEM CONFIGURATION
2. CROSS SECTIONAL VIEW
3. PAPER PATH
4. OVERALL CONFIGRATION
4.1 Control Block Diagram
4.2 Image creation process

E. SERVICE TOOL
1. Service material list
2. CE tool list
F MAINTENANCE
1. Concept of periodical maintenance
1.1 Concept of periodical maintenance
1.2 bizhub 235/215/195
1.2.1 Periodical maintenance 1 (Total counter; every 55,000 counts)
1.2.2 Periodical maintenance 2 (PM counter; every 165,000 counts)
1.2.3 Periodical maintenance 3 (SUPPLIES counter; every 165,000 counts)
1.3 Option
1.3.1 Reverse automatic document feeder (DF-625)
1.3.2 Paper feeder unit (PF-507)
1.3.3 Multi bypass tray (MB-505)
2. PERIODICAL MAINTENANCE ITEMS
2.1 Periodical replacement parts list
2.1.1 Periodical replacement parts list
2.1.2 bizhub 235/215/195
2.1.3 Option
2.2 Periodical cleaning parts list
2.2.1 bizhub 235/215/195
2.2.2 Option
2.3 Concept of parts life
2.3.1 Life value of consumables and parts
2.3.2 Conditions for life specifications values
3. PERIODICAL MAINTENANCE PROCEDURE bizhub 235/215/195
3.1 Processing section
3.1.1 Replacing the developer
3.1.2 Replacing the drum
3.1.3 Replacing the drum charge corona assy
3.1.4 Replacing the cleaning blade
3.1.5 Application of toner
3.1.6 Replacing the toner bottle
3.1.7 Cleaning of the Ds collars
3.1.8 Cleaning of the drum separator fingers
3.1.9 Cleaning of the developer scattering prevention plate
3.1.10 Replacing the imaging unit
3.2 Conveyance section
3.2.1 Cleaning of the registration roller
3.2.2 Cleaning of the pre-image transfer guide plate
3.3 Fusing section
3.3.1 Replacing the fusing unit
3.4 Paper feed section
3.4.1 Replacing the tray 1 feed roller
3.4.2 Replacing the tray 1 separation pad
3.5 Conveyance section
3.5.1 Replacing the transfer roller unit
4. PERIODICAL MAINTENANCE PROCEDURE DF-625
4.1 Paper feed section (DF-625)
4.1.1 Replacing the separation roller (DF-625)
4.1.2 Cleaning of the pick-up roller/feed roller/separation roller (DF-625)
4.1.3 Cleaning of the document transport sensor (DF-625)
4.2 Conveyance section (DF-625)
4.2.1 Cleaning of the roller and rolls (DF-625)
4.3 Scanning section (DF-625)
4.3.1 Cleaning of the scanning guide (DF-625)
5. PERIODICAL MAINTENANCE PROCEDURE PF-507
5.1 Paper feed section (PF-507)
5.1.1 Replacing the feed roller (PF-507)
6. PERIODICAL MAINTENANCE PROCEDURE MB-505
6.1 Paper feed section (MB-505)
6.1.1 Replacing the feed roller (MB-505)
6.1.2 Replacing the separation roller assy (MB-505)

G. DISASSEMBLING/REASSEMBLING
1. Disassembly/adjustment prohibited items
1.1 Disassembly/adjustment prohibited items
1.1.1 Paint-locked screws
1.1.2 Red-painted screws
1.1.3 Variable resistors on board
1.1.4 Removal of PWBs
1.1.5 Warnings for disassembly
1.1.6 Precautions/warnings during setup or transportation
1.2 Units from which removing is prohibited
1.2.1 PH unit
1.2.2 Fusing unit
2. Bizhub 235/215/195
2.1 Disassembly/reassembly parts list
2.1.1 Exterior parts
2.1.2 Units
2.1.3 Boards
2.1.4 Others
2.2 Disassembly/reassembly procedure (Exterior parts)
2.2.1 Front door
2.2.2 Front cover
2.2.3 Left cover
2.2.4 Right rear cover
2.2.5 Right lower cover
2.2.6 Rear cover
2.2.7 Scanner right cover
2.2.8 Paper exit rear cover
2.2.9 Paper exit tray (left) / Paper exit tray (right)
2.2.10 Control panel left cover
2.2.11 Control panel
2.2.12 Original glass assy
2.3 Disassembly/reassembly procedure (Units)
2.3.1 Tray 1
2.3.2 PH unit
2.3.3 CIS module (CIS)
2.3.4 Scanner unit
2.3.5 Paper exit unit
2.4 Disassembly/reassembly procedure (Boards)
2.4.1 MFP board (MFPB)
2.4.2 High voltage unit (HV1)
2.4.3 DC power supply (DCPU)
2.4.4 BB Module board (BBMB)
2.5 Disassembly/reassembly procedure (Others)
2.5.1 Ozone filter
2.5.2 Main motor (M1)
2.5.3 Toner supply motor (M2)
2.5.4 Scanner motor (M3)
2.5.5 Switchback motor (M4)
2.5.6 Fusing cooling fan motor (FM1)
2.5.7 Registration clutch (CL1)
2.5.8 Tray1 paper feed clutch (CL2)
2.5.9 Temperature/humidity sensor (TEM/HUM)
2.5.10 Inch/metric sensor (PS6) assy (Asia Pacific only)
3. Option
3.1 Disassembly/reassembly parts list
3.1.1 DF-625
3.1.2 PF-507
3.1.3 MB-505
3.1.4 AD-509
3.1.5 FK-510
3.1.6 IC-209/NC-504
3.1.7 MC-504
3.2 Disassembly/reassembly procedure(DF-625)
3.2.1 Upper cover (DF-625)
3.2.2 Front cover (DF-625)
3.2.3 Rear cover (DF-625)
3.2.4 Original paper set tray (DF-625)
3.2.5 Reverse Automatic Document Feeder (DF-625)
3.2.6 Upper door assy (DF-625)
3.2.7 Document conveyance unit (DF-625)
3.2.8 DF control board (DFCB) (DF-625)
3.2.9 Feed roller/Pick-up roller (DF-625)
3.2.10 DF motor (M1) (DF-625)
3.2.11 Document feed clutch (CL1) (DF-625)
3.2.12 Document registration clutch (CL2) (DF-625)
3.2.13 Switchback clutch (CL3) (DF-625)
3.3 Disassembly/reassembly procedure (PF-507)
3.3.1 Tray (PF-507)
3.3.2 Rear cover (PF-507)
3.3.3 Paper Feeder Unit (PF-507)
3.3.4 PF drive board (PFDB) (PF-507)
3.3.5 Paper size detect switch (S1) (PF-507)
3.3.6 Paper feed solenoid (SD1) (PF-507)
3.4 Disassembly/reassembly procedure (MB-505)
3.4.1 Multi Bypass Tray (MB-505)
3.4.2 Bypass paper feed clutch (CL1) (MB-505)
3.4.3 Bypass pick-up solenoid (SD1) (MB-505)
3.5 Disassembly/reassembly procedure (AD-509)
3.5.1 Right cover (AD-509)
3.5.2 Automatic Duplex Unit (AD-509)
3.5.3 AD drive board (ADDB) (AD-509)
3.5.4 AD motor (M1) (AD-509)
3.5.5 Cooling fan motor (FM2) (AD-509)
3.6 Disassembly/reassembly procedure (FK-510)
3.6.1 FAX board (FAXB) (FK-510)
3.6.2 FAX control panel (FK-510)
3.6.3 Speaker (FK-510)
3.7 Disassembly/reassembly procedure (IC-209/NC-504)
3.7.1 PCL/NIC board (PNICB)/NIC board (NICB) (IC-209/NC-504)
3.8 Disassembly/reassembly procedure (MC-504)
3.8.1 Mechanical Counter (MC-504)

H. CLEANING/LUBRICATION
1. bizhub235/215/195
1.1 Cleaning parts list
1.2 Cleaning procedure
1.2.1 Tray 1 feed roller
1.2.2 Tray 1 separation pad
1.2.3 Original glass
2. Option
2.1 Cleaning parts list
2.1.1 PF-507
2.1.2 AD-509
2.1.3 MB-505
2.2 Cleaning procedure (PF-507)
2.2.1 Feed roller
2.2.2 Vertical transport roller/roll
2.3 Cleaning procedure (AD-509)
2.3.1 Automatic duplex unit transport roller/roll
2.3.2 Switchback section transport roller/roll
2.3.3 Automatic duplex unit ventilation section
2.4 Cleaning procedure (MB-505)
2.4.1 Separation roller
2.4.2 Feed roller

I. ADJUSTMENT/SETTING
1. HOW TO USE THE ADJUSTMENT/SETTING SECTION
1.1 Outline
1.2 Advance checks
2. UTILITY MODE
2.1 List of utility mode
2.2 Starting/Exiting
2.2.1 Starting procedure
2.2.2 Exiting procedure
2.3 MACHINE SETTING
2.3.1 AUTO PANEL RESET
2.3.2 SLEEP MODE
2.3.3 AUTO SHUT TIME
2.3.4 DENSITY (ADF)
2.3.5 DENSITY (BOOK)
2.3.6 PRINT DENSITY
2.3.7 LCD CONTRAST
2.3.8 KEY SPEED SETTING
2.3.9 LANGUAGE
2.3.10 BUZZER VOLUME
2.3.11 INITIAL MODE
2.3.12 SCAN THRESHOLD
2.4 PAPER SOURCE SETUP
2.4.1 TRAY1
2.4.2 TRAY2/TRAY3/TRAY4/TRAY5
2.5 CUSTOM SIZE MEMORY
2.5.1 CUSTOME SIZE MEMORY
2.6 DRUM DEHUMIDIFY
2.6.1 Use
2.6.2 Step
2.7 ADMIN. MANAGEMENT
2.7.1 ADMINISTRATOR NO
2.7.2 DISPLAY AUTO SHUT
2.7.3 SLEEP SHIFT
2.7.4 ACCOUNT TRACK
2.7.5 REMOTE MONITOR
2.7.6 NETWORK SETTING – IP ADDRESS SETTING
2.7.7 NETWORK SETTING – IPv6
2.7.8 NETWORK SETTING – DNS CONFIG
2.7.9 NETWORK SETTING – WEB SETTING
2.7.10 NETWORK SETTING – LPD SETTING
2.7.11 NETWORK SETTING – SLP SETTING
2.7.12 NETWORK SETTING – SNMP SETTING
2.7.13 NETWORK SETTING – AUTO GET TIME
2.7.14 E-MAIL SETTING 1
2.7.15 E-MAIL SETTING 2
2.7.16 LDAP SETTING
2.7.17 COMM. SETTING
2.7.18 USER SETTING
2.7.19 SCAN TO USB
2.8 COPY SETTING 1
2.8.1 PAPER PRIORITY
2.8.2 QUALITY PRIORITY
2.8.3 DENSITY PRIORITY
2.8.4 DENSITY LEVEL
2.8.5 DUPLEX PRIORITY
2.8.6 OUTPUT BIND POS
2.8.7 ORIG.BINDING POS
2.8.8 BINDING POSITION
2.8.9 MARGIN SETTING
2.8.10 ERASE SETTING
2.8.11 SMALL ORIGINAL
2.9 COPY SETTING 2
2.9.1 COPY PRIORITY
2.9.2 OUTPUT PRIORITY
2.9.3 CRISSCROSS MODE
2.9.4 4IN1 COPY ORDER
2.9.5 MIXED ORIGINAL
2.9.6 ORIG. DIRECTION
2.9.7 BOOK SEPARATION
2.9.8 STAMP
2.9.9 PAGE FORMAT
2.9.10 DATE & TIME FORMAT
2.10 DIAL REGISTRATION
2.10.1 ONE-TOUCH DIAL
2.10.2 SPEED DIAL
2.10.3 GROUP DIAL
2.10.4 PROGRAM DIAL
2.11 FAX REGISTRATION
2.11.1 MAILBOX
2.11.2 RELAY BOX
2.12 FAX TX OPERATION
2.12.1 DENSITY LEVEL
2.12.2 QUALITY PRIORITY
2.12.3 DEFAULT TX
2.12.4 HEADER
2.12.5 CONFIRM FAX NO
2.13 FAX RX OPERATION
2.13.1 MEMORY RX MODE
2.13.2 NO. of RINGS
2.13.3 REDUCTION RX
2.13.4 RX PRINT
2.13.5 RX MODE
2.13.6 FORWARD
2.13.7 FOOTER
2.13.8 SELECT TRAY
2.13.9 CLOSED NETWORK
2.14 REPORTING
2.14.1 ACTIVITY REPORT
2.14.2 RESERVATION REPORT
2.14.3 TX RESULT REPORT
2.14.4 RX RESULT REPORT
2.15 SCAN SETTING
2.15.1 RESOLUTION
2.15.2 IMAGE FORMAT
2.15.3 BW CODING METHOD
2.15.4 COLOR SETTING
3. ADJUSTMENT ITEM LIST
4. SERVICE MODE
4.1 List of SERVICE MODE
4.2 Starting/Exiting
4.2.1 Starting procedure
4.2.2 Exiting procedure
4.2.3 Changing the setting value in SERVICE MODE functions
4.3 SERVICE’S CHOICE
4.3.1 MARKETING AREA
4.3.2 SHIPMENT
4.3.3 ENABLE AUTO SHUT
4.3.4 MAINTENANCE COUNT
4.3.5 IU LIFE STOP MODE
4.3.6 ID ADJUST
4.3.7 VG ADJUST
4.3.8 TRANSFER (PLAIN)
4.3.9 TRANSFER (RECYCLE)
4.3.10 TRANSFER (CARD1)
4.3.11 TRANSFER (CARD2)
4.3.12 TRANSFER (OHP)
4.3.13 TRANSFER (ENV.)
4.3.14 TRANSFER (PLAIN-D)
4.3.15 TRANSFER (RECY.-D)
4.3.16 TRANSFER (CARD1-D)
4.3.17 TRANSFER (CARD2-D)
4.3.18 FUSER TEMP. (PLAIN)
4.3.19 FUSER TEMP. (CARD1)
4.3.20 FUSER TEMP. (CARD2)
4.3.21 FUSER TEMP. (OHP)
4.3.22 FUSER TEMP. (ENV.)
4.3.23 LEADING EDGE
4.3.24 TRAILING EDGE
4.3.25 VERTICAL EDGE
4.3.26 LOOP Ad. (TRAY1)
4.3.27 LOOP Ad. (TRAY2-5)
4.3.28 LOOP Ad. (DUPLEX)
4.3.29 LOOP Ad. (BYPASS)
4.3.30 FLS PAPER SIZE
4.3.31 FLS/LEGAL CHANGE
4.3.32 TX SPEED
4.3.33 RX SPEED
4.3.34 TX LEVEL
4.3.35 DTMF LEVEL
4.3.36 CNG LEVEL
4.3.37 CED LEVEL
4.3.38 ECM MODE
4.3.39 CODING SCHEME
4.3.40 VOIP
4.3.41 REPORT DESTINATION
4.3.42 TONER EMPTY REPORT
4.3.43 IU LIFE REPORT
4.3.44 MAINTENANCE REPORT
4.3.45 PROTOCOL REPORT
4.3.46 CIS APS SIZE
4.3.47 GDI TIMEOUT
4.3.48 ERASER INSTALL
4.3.49 SUCTION FAN
4.3.50 LANGUAGE GROUP
4.3.51 HV B(AC) CLK
4.3.52 PH STANBY MODE
4.4 ADJUST
4.4.1 PRN MAIN (TRAY1)
4.4.2 PRN MAIN (BYPASS)
4.4.3 PRN MAIN (TRAY2)
4.4.4 PRN MAIN (TRAY3)
4.4.5 PRN MAIN (TRAY4)
4.4.6 PRN MAIN (TRAY5)
4.4.7 PRN MAIN (DUPLEX)
4.4.8 PRN SUB (TRAY1-P)
4.4.9 PRN SUB (TRAY1-R)
4.4.10 PRN SUB (TRAY1-C1)
4.4.11 PRN SUB (TRAY1-C2)
4.4.12 PRN SUB (TRAY1-O)
4.4.13 PRN SUB (TRAY1-E)
4.4.14 PRN SUB (BYPASS-P)
4.4.15 PRN SUB (BYPASS-R)
4.4.16 PRN SUB (BYPASS-C1)
4.4.17 PRN SUB (BYPASS-C2)
4.4.18 PRN SUB (BYPASS-O)
4.4.19 PRN SUB (BYPASS-E)
4.4.20 PRN SUB (TRAY2)
4.4.21 PRN SUB (TRAY3)
4.4.22 PRN SUB (TRAY4)
4.4.23 PRN SUB (TRAY5)
4.4.24 PRN SUB (DUPLEX)
4.4.25 CIS MAIN ZOOM
4.4.26 CIS SUB ZOOM
4.4.27 CIS MAIN REGIST
4.4.28 CIS SUB REGIST
4.4.29 ADF SUB ZOOM
4.4.30 ADF MAIN ZOOM
4.4.31 ADF SUB REGIST1
4.4.32 ADF SUB REGIST2
4.4.33 ADF MAIN REGIST1
4.4.34 ADF MAIN REGIST2
4.4.35 ADF REG. LOOP1
4.4.36 ADF REG. LOOP2
4.4.37 TCR GAIN
4.4.38 MODEL SETTING
4.5 COUNTER
4.5.1 TOTAL COUNTER
4.5.2 SIZE COUNTER
4.5.3 PM COUNTER
4.5.4 MAINTENANCE COUNT
4.5.5 SUPPLIES COUNTER
4.5.6 APPLICATIN COUNT
4.5.7 SCAN COUNTER
4.5.8 PAPER SIZE COUNTER
4.5.9 MISFEED COUNTER
4.5.10 TROUBLE COUNTER
4.6 DISPLAY
4.6.1 TONER DENSITY
4.6.2 FUSER TEMPERATURE
4.6.3 TRANSCRIPT CURRENT
4.6.4 TCR GAIN
4.6.5 PROCESS CONTROL
4.6.6 ENVIRONMENTAL
4.6.7 MAIN F/W VER
4.6.8 ENGINE F/W VER
4.6.9 PCL F/W VER
4.6.10 NIC F/W VER
4.6.11 MAIN RAM SIZE
4.6.12 SERIAL NO
4.6.13 CUSTOMER ID
4.7 FUNCTION
4.7.1 PAPER FEED TEST
4.7.2 PROCESS CHECK
4.7.3 TCR AUTO ADJUST
4.7.4 PRN TEST PATTERN
4.7.5 ADF FEED TEST
4.7.6 COPY ADF GLASS
4.7.7 UPLOAD F/W
4.7.8 FAX RES. COPY TEST
4.7.9 SCAN TEST
4.7.10 TONER SUPPLY
4.8 SOFT SWITCH
4.9 REPORT
4.9.1 SERVICE DATA LIST
4.9.2 ERROR CODE LIST
4.9.3 T.30 PROTOCOL LIST
4.9.4 SETTING DATA LIST
4.10 ADMIN. REGISTRATION
4.10.1 Use
4.10.2 Default setting
4.10.3 Procedure
4.11 FIXED ZOOM CHANGE
4.11.1 Use
4.11.2 Procedure
4.11.3 Default values and setting range of fixed zoom ratios
4.12 FACTORY TEST
4.12.1 SIGNAL TEST
4.12.2 RELAY TEST
4.12.3 DIAL TEST
4.12.4 VOLUME TEST
4.12.5 PANEL TEST
4.12.6 RAM TEST
4.13 CLEAR DATA
4.13.1 DRAM CLEAR
4.13.2 FLASH ROM CLEAR
4.13.3 MEMORY CLEAR
4.13.4 TORTAL CLEAR
4.13.5 PM COUNTER
4.13.6 MAINTENANCE COUNT
4.13.7 SUPPLIES COUNTER
4.13.8 APPLICATION COUNT
4.13.9 SCAN COUNTER
4.13.10 PAPER SIZE COUNTER
4.13.11 MISFEED COUNTER
4.13.12 TROUBLE COUNTER
4.14 SECURITY
4.14.1 List of SECURITY mode
4.14.2 Starting/Exiting
4.14.3 TOTAL COUNTER
4.14.4 SIZE COUNTER
4.14.5 PLUG-IN COUNTER
4.14.6 MACHINE COUNTER COPY
5. SOFT SWITCH SET
5.1 Description
5.2 Default setting
5.2.1 Soft switch list
5.2.2 Default soft switch setting for each market area (Market area 1)
5.2.3 Default soft switch setting for each market area (Market area 2)
5.2.4 Default soft switch setting for each market area (Market area 3)
5.2.5 Default soft switch setting for each market area (Market area 4)
5.2.6 Default soft switch setting for each market area (Market area 5)
5.2.7 Default soft switch setting for each market area (Market area 6)
5.2.8 Default soft switch setting for each market area (Market area 7)
5.2.9 Default soft switch setting for each market area (Market area 8)
5.2.10 Default soft switch setting for each market area (Market area 9)
5.2.11 Default soft switch setting for each market area (Market area 10)
5.2.12 Default soft switch setting for each market area (Market area 11)
5.2.13 Default soft switch setting for each market area (Market area 12)
5.3 Soft switch definition
5.3.1 SOFT SWITCH: #01
5.3.2 SOFT SWITCH: #02
5.3.3 SOFT SWITCH: #03
5.3.4 SOFT SWITCH: #04
5.3.5 SOFT SWITCH: #05
5.3.6 SOFT SWITCH: #06
5.3.7 SOFT SWITCH: #07
5.3.8 SOFT SWITCH: #08
5.3.9 SOFT SWITCH: #09
5.3.10 SOFT SWITCH: #10
5.3.11 SOFT SWITCH: #11
5.3.12 SOFT SWITCH: #12
5.3.13 SOFT SWITCH: #13
5.3.14 SOFT SWITCH: #14
5.3.15 SOFT SWITCH: #15
5.3.16 SOFT SWITCH: #16
5.3.17 SOFT SWITCH: #17
5.3.18 SOFT SWITCH: #18
5.3.19 SOFT SWITCH: #19
5.3.20 SOFT SWITCH: #20
5.3.21 SOFT SWITCH: #21
5.3.22 SOFT SWITCH: #22
5.3.23 SOFT SWITCH: #23
5.3.24 SOFT SWITCH: #24
5.3.25 SOFT SWITCH: #25
5.3.26 SOFT SWITCH: #26
5.3.27 SOFT SWITCH: #27
5.3.28 SOFT SWITCH: #28
5.3.29 SOFT SWITCH: #29
5.3.30 SOFT SWITCH: #30
5.3.31 SOFT SWITCH: #31
5.3.32 SOFT SWITCH: #32
5.3.33 SOFT SWITCH: #33
5.3.34 SOFT SWITCH: #34
5.3.35 SOFT SWITCH: #35
5.3.36 SOFT SWITCH: #36
5.3.37 SOFT SWITCH: #37
5.3.38 SOFT SWITCH: #38
5.3.39 SOFT SWITCH: #39
5.3.40 SOFT SWITCH: #40
5.3.41 SOFT SWITCH: #41
5.3.42 SOFT SWITCH: #42
5.3.43 SOFT SWITCH: #43
5.3.44 SOFT SWITCH: #44
5.3.45 SOFT SWITCH: #45
5.3.46 SOFT SWITCH: #46
5.3.47 SOFT SWITCH: #47
5.3.48 SOFT SWITCH: #48
5.3.49 SOFT SWITCH: #49
5.3.50 SOFT SWITCH: #50
5.3.51 SOFT SWITCH: #51
5.3.52 SOFT SWITCH: #52
5.3.53 SOFT SWITCH: #53
5.3.54 SOFT SWITCH: #54
5.3.55 SOFT SWITCH: #55
5.3.56 SOFT SWITCH: #56
5.3.57 SOFT SWITCH: #57
5.3.58 SOFT SWITCH: #58
5.3.59 SOFT SWITCH: #59
5.3.60 SOFT SWITCH: #60
5.3.61 SOFT SWITCH: #61
5.3.62 SOFT SWITCH: #62
5.3.63 SOFT SWITCH: #63
5.3.64 SOFT SWITCH: #64
6. FAX PROTOCOLS
6.1 G3 ECM (G3 Error Correction Mode)
6.2 Line control
6.2.1 Procedure of G3 mode communication
6.3 Table of reference code
6.4 How to analyze the T30 protocol monitor
7. MECHANICAL ADJUSTMENT PF-507
7.1 Paper reference position (PF-507)
7.1.1 Use
7.1.2 Specification
7.1.3 Procedure
8. MECHANICAL ADJUSTMENT DF-625
8.1 Adjusting skew feed (DF-625)
8.1.1 Use

J. REWRITING OF FIRMWARE
1. Rewriting of firmware
1.1 Outline
1.2 Preparation
1.3 Rewriting method
2. Procedure when upgrading the firmware has failed

K. TROUBLESHOOTING
1. JAM DISPLAY
1.1 Misfeed display
1.1.1 Misfeed display
1.1.2 Display resetting procedure
1.2 Sensor layout
1.2.1 Main body + PF-507 + AD-509 + DF-625 + MB-505
1.3 Solution
1.3.1 Initial check items
1.3.2 Misfeed at tray1 paper feed section
1.3.3 Misfeed at the bypass tray paper feed section
1.3.4 Misfeed at tray2 paper feed section
1.3.5 Misfeed at the image transfer section
1.3.6 Misfeed at the fusing section
1.3.7 Misfeed at the duplex paper feed section
1.3.8 Misfeed at the duplex transport section
1.3.9 Misfeed at the tray 3 paper feed section
1.3.10 Misfeed at the tray 4 paper feed section
1.3.11 Misfeed at the tray 5 paper feed section
1.3.12 Misfeed at the document feed section
1.3.13 Misfeed at the document transport section
1.3.14 Misfeed at the document exit section
2. MALFUNCTION CODE
2.1 Trouble code
2.1.1 Trouble code
2.1.2 Trouble code list
2.2 Trouble resetting procedure
2.2.1 Trouble resetting procedure
2.3 Solution
2.3.1 C0211
2.3.2 C2351
2.3.3 C2557, C2558, C255C
2.3.4 C2702
2.3.5 CC3451, CC3452, C3751, C3752, C3851, C3852
2.3.6 C4001, C4101
2.3.7 C5102
2.3.8 C5351
2.3.9 C6101
2.3.10 C9401
2.3.11 CC151, CC153
2.3.12 CC163
3. POWER SUPPLY TROUBLE
3.1 The copier does not turn ON
4. IMAGE QUALITY PROBLEM
4.1 How to identify problematic part
4.1.1 Outline
4.1.2 Initial check items
4.1.3 Identification of the faulty system
4.2 Solution
4.2.1 Scanner section: Blank copy
4.2.2 Scanner section: Black copy
4.2.3 Scanner section: Low image density
4.2.4 Scanner section: Foggy background or rough image
4.2.5 Scanner section: Black streaks or bands
4.2.6 Scanner section: Black spots
4.2.7 Scanner section: White streaks or bands
4.2.8 Scanner section: Uneven image density
4.2.9 Scanner section: Gradation reproduction failure
4.2.10 Scanner section: Periodically uneven image
4.2.11 Scanner section: Moire
4.2.12 Printer section: Blank copy
4.2.13 Printer section: Black copy
4.2.14 Printer section: Low image density
4.2.15 Printer section: Foggy background or rough image
4.2.16 Printer section: Black streaks or bands
4.2.17 Printer section: Black spots
4.2.18 Printer section: Blank streaks or bands
4.2.19 Printer section: Void areas
4.2.20 Printer section: Smear on back
4.2.21 Printer section: Uneven image density
4.2.22 Printer section: Gradation reproduction failure
4.2.23 Printer section: Periodically uneven image
5. FAX ERROR
5.1 When faxing is not performed correctly
5.1.1 Can not send a fax
5.1.2 Can not receive a fax
5.1.3 Dialing connection problem
5.2 Communication error
5.2.1 Outline
5.2.2 Error occurring during transmission
5.2.3 Error occurring during reception
5.3 Error code list
5.3.1 Reception
5.3.2 Transmission
5.4 Error codes and corresponding solution
5.4.1 Reception error code (000X)
5.4.2 Reception error code (001X)
5.4.3 Reception error code (002X)
5.4.4 Reception error code (003X)
5.4.5 Reception error code (004X)
5.4.6 Reception error code (005X)
5.4.7 Reception error code (006X)
5.4.8 Reception error code (007X)
5.4.9 Transmission error code (008X)
5.4.10 Transmission error code (009X)
5.4.11 Transmission error code (00AX)
5.4.12 Transmission error code (00BX)
5.4.13 Transmission error code (00CX)
5.4.14 Transmission error code (00DX)
5.4.15 Transmission error code (00EX)
5.4.16 Transmission error code (00FX)
5.5 FAX can sent but not receive
5.5.1 Troubleshooting procedure
5.6 FAX line says talking
5.6.1 Troubleshooting procedure
5.7 Pick up the phone, but the machine does not go into Off-Hook state
5.7.1 Troubleshooting procedure
5.8 In VoIP system environment, the machine can not fax properly
5.8.1 Troubleshooting procedure

L. PARTS/CONNECTOR LAYOUT DRAWING
1. PARTS LAYOUT DRAWING
1.1 Main body (bizhub 235/215/195)
1.2 Multi bypass tray (MB-505)
1.3 Document feeder (DF-625)
1.4 Paper feeder Unit (PF-507)
1.5 Duplex unit (AD-509)
2. CONNECTOR LAYOUT DRAWING
2.1 Main body (bizhub 235/215/195)
2.2 Control board
2.2.1 MFP board (MFPB)
2.2.2 PF drive board (PFDB)
2.2.3 AD drive board (ADDB)
2.2.4 DF control board (DFDB)

M. TIMING CHART
1. bizhub 235/215/195
1.1 Timing chart when the power switch is turned ON
1.1.1 Timing chart
1.2 Timing chart when the Start key is pressed
1.2.1 Operating conditions
1.2.2 Timing chart
2. DF-625
2.1 Timing chart when printing with 1-sided mode
2.1.1 Operating conditions
2.1.2 Timing chart
2.2 Timing chart when printing with 2-sided mode
2.2.1 Operating conditions
2.2.2 Timing chart

N. WIRING DIAGRAM
1. bizhub 235/215/195 (1/2)
2. bizhub 235/215/195 (2/2)
3. DF-625
4. PF-507
5. AD-509

O. THEORY OF OPERATION bizhub 235/215/195
1. INTERFACE SECTION
1.1 Configuration
2. SCANNER SECTION
2.1 Configuration
2.2 Drive
2.3 Operation
2.3.1 Control when the Start key is pressed
2.3.2 Original size detection mechanism
3. WRITING SECTION
3.1 Configuration
3.2 Operation
3.2.1 Overview
3.2.2 Laser emission area
4. TONER SUPPLY SECTION
4.1 Configuration
4.2 Operation
4.2.1 Toner Replenishing Mechanism
4.2.2 Toner Replenishing Control
4.2.3 T/C Recovery Mode
4.2.4 Detection of toner empty condition
5. IMAGING UNIT SECTION
5.1 Configuration
5.2 Operation
5.2.1 Imaging unit life detection
6. IMAGING UNIT SECTION (Drum)
6.1 Configuration
6.2 Drive
6.3 Operation
6.3.1 Drum drive
7. IMAGING UNIT SECTION (charge corona)
7.1 Configuration
7.2 Operation
8. IMAGING UNIT SECTION (developing)
8.1 Configuration
8.2 Drive
8.3 Operation
8.3.1 Toner flow
8.3.2 Developing Bias
8.3.3 TCR Sensor Automatic Adjustment
9. TRANSFER/SEPARATION SECTION
9.1 Configuration
9.2 Drive
9.3 Operation
9.3.1 Transfer voltage output control
9.3.2 Transfer roller cleaning control
9.3.3 Paper Separation control
10. TONER COLLECTION SECTION
10.1 Configuration
10.2 Drive
10.3 Operation
10.3.1 Toner collecting path
11. PAPER FEED SECTION (Tray1)
11.1 Configuration
11.2 Drive
11.3 Operation
11.3.1 Up/down control
11.3.2 Paper feed control
11.3.3 Paper size detection mechanism
11.3.4 Remaining paper level detection control
12. MULTI BYPASS SECTION (MB-505)
12.1 Configuration
12.2 Drive
12.3 Operation
12.3.1 Up/down control
12.3.2 Paper feed control
12.3.3 Remaining paper level detection control
13. REGISTRATION SECTION
13.1 Configuration
13.2 Drive
13.3 Operation
13.3.1 Registration control
14. FUSING SECTION
14.1 Configuration
14.2 Operation
14.2.1 Fusing speed correction
14.2.2 Fusing pressure control
14.2.3 Fusing temperature control
14.2.4 Protection from abnormally high temperature
14.2.5 PPM Control
14.2.6 New article detection
15. PAPER EXIT SECTION
15.1 Configuration
15.2 Operation
15.2.1 Conveyance control
16. IMAGE STABILIZATION CONTROL
16.1 Configuration
17. POWER SUPPLY SECTION
17.1 When the main power switch is turned ON
17.1.1 Configuration
17.1.2 Operation
18. FAN CONTROL
18.1 Configuration
18.2 Operation
18.2.1 Function
18.2.2 Fan control
PA THEORY OF OPERATION DF-625
1. PAPER PATH
1.1 1-sided mode
1.2 2-sided mode
2. CONFIGURATION
3. DRIVE
4. OPERATION
4.1 Flow of operations in 1-sided mode
4.1.1 Operation 1
4.1.2 Operation 2
4.1.3 Operation 3
4.2 Flow of operations in 2-sided mode
4.2.1 Operation 1
4.2.2 Operation 2
4.2.3 Operation 3
4.2.4 Operation 4
4.2.5 Operation 5
4.2.6 Operation 6
4.2.7 Operation 7
4.2.8 Operation 8
4.2.9 Operation 10
4.3 Original size detection operation
PB THEORY OF OPERATION PF-507
1. CONFIGURATION/DRIVE
2. OPERATION
2.1 Paper feed tray-in-position detection
2.2 Paper lifting plate
2.3 Paper size detecting mechanism
2.4 Paper separating mechanism
PC THEORY OF OPERATION AD-509
1. CONFIGURATION/DRIVE
2. OPERATION
2.1 Paper transport control
2.1.1 Transport roller control
2.1.2 Paper entrance control
2.1.3 Duplex paper feed control
2.2 Paper conveyance control in duplex unit
2.2.1 Paper conveyance with one sheet in duplex unit
2.2.2 Paper conveyance with two sheets circulated in duplex unit
2.2.3 Two sheets alternatively conveyed in duplex unit

Q. PARTS GUIDE MANUAL (1st Edition)
INFORMATION FOR PARTS GUIDE MANUAL
HOW TO MAKE THE BEST USE OF THIS MANUAL
SYSTEM OUTLINE
1. DIGITAL MFP B/W (bizhub 195/bizhub 215/bizhub 235/bizhub 7719/bizhub 7721/bizhub 7723)
DIAGRAM OF MAIN PARTS SECTION
1.1 EXTERNAL PARTS
1.2 IR SECTION
1.3 CONTROL PANEL
1.4 FRAME SECTION
1.5 PRINT HEAD SECTION
1.6 PAPER TAKE-UP SECTION
1.7 HOPPER SECTION
1.8 CHARGE SECTION
1.9 DEVELOPING SECTION
1.10 PAPER TRANSPORT SECTION
1.11 PAPER EXIT SECTION
1.12 FUSING UNIT
1.13 DRIVE SECTION
1.14 ELECTRICAL COMPONENTS
1.15 CASSETTE SECTION
1.16 ORIGINAL COVER
1.17 MANUAL FEED TRAY
1.18 WIRING ACCESSORIES AND JIGS
1.19 MAINTENANCE LIST
1.20 DESTINATION
2. OTHER OPTION (OC-512)
2.1 OC-512
2.2 DESTINATION
3. DOCUMENT FEEDER (DF-625)
3.1 EXTERNAL PARTS
3.2 PAPER FEED SECTION
3.3 DRIVE SECTION
3.4 PAPER FEED TRAY SECTION
3.5 MAINTENANCE LIST
3.6 DESTINATION
4. OTHER OPTION (MK-733)
4.1 MK-733
4.2 DESTINATION
5. DUPLEX (AD-509)
5.1 AD-509
5.2 DESTINATION
6. PAPER FEEDER (MB-505)
6.1 MANUAL PAPER FEED SECTION
6.2 WIRING ACCESSORIES AND JIGS
6.3 MAINTENANCE LIST
6.4 DESTINATION
7. PAPER FEEDER (PF-507)
7.1 EXTERNAL PARTS
7.2 PAPER TAKE-UP SECTION
7.3 PAPER TRAY UNIT
7.4 WIRING ACCESSORIES AND JIGS
7.5 MAINTENANCE LIST
7.6 DESTINATION
8. OTHER OPTION (NC-504)
8.1 NC-504
8.2 DESTINATION
9. OTHER OPTION (IC-209)
9.1 IC-209
9.2 DESTINATION
10. OTHER OPTION (FK-510)
10.1 FK-510
10.2 DESTINATION

Number of pages: 478.