Toshiba e-STUDIO 556/656/756/856/556SE/756SE/856SE/557/657/757/857 Service Manual

Service Manual Toshiba e-STUDIO 556/656/756/856/556SE/756SE/856SE/557/657/757/857;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Toshiba.
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 Toshiba e-STUDIO photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

1. FEATURES
1.1 Main Feature of e-STUDIO556/656/756/856
1.2 Main Feature of e-STUDIO557/657/757/857

2. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES
2.1 Specifications
2.1.1 General
2.1.2 Copy
2.1.3 Print
2.1.4 Scan
2.1.5 e-Filing
2.1.6 Internet Fax
2.1.7 Network Fax
2.2 Accessories
2.3 System List (e-STUDIO556/656/756/856)
2.4 System List (e-STUDIO557/657/757/857)
2.5 Supplies

3. OUTLINE OF THE MACHINE
3.1 Sectional View
3.1.1 Front view
3.1.2 Rear view
3.2 Electric Parts Layout
3.2.1 Scanner unit
3.2.2 Control panel
3.2.3 Laser unit
3.2.4 Fuser related section
3.2.5 Toner cartridge related section
3.2.6 Toner recycle / used toner recovery unit
3.2.7 Developer unit / drum / transfer belt unit related section
3.2.8 Paper transport unit
3.2.9 Paper exit / reverse section
3.2.10 Equipment (left view)
3.2.11 Equipment (right view)
3.2.12 Bypass feed unit
3.2.13 Paper feeding section
3.2.14 Tandem LCF
3.2.15 Equipment (rear view)
3.2.16 AC input section
3.2.17 Reversing automatic document feeder (RADF)
3.3 Symbols and Functions of Various Components
3.3.1 Motors
3.3.2 Sensors and switches
3.3.3 Electromagnetic spring clutches
3.3.4 Solenoids
3.3.5 PC boards
3.3.6 Lamps and heaters
3.3.7 Thermistors and thermostats
3.3.8 Transformer
3.3.9 Others
3.4 COPY PROCESS
3.4.1 General Description
3.5 Comparison between e-STUDIO555/655/755/855 and e-STUDIO556/656/756/856
3.6 Comparison between e-STUDIO556/656/756/856 and e-STUDIO557/657/757/857
3.7 General Operation
3.7.1 Overview of Operation
3.7.2 Description of Operation
3.7.3 Detection of Abnormality
3.7.4 Hibernation function
3.8 Control Panel
3.8.1 General Description
3.8.2 Description of Operation
3.9 Scanning Section
3.9.1 General Description
3.9.2 Construction
3.9.3 Functions
3.9.4 Description of Operation
3.9.5 Automatic Original Size Detection Circuit
3.10 Laser Optical Unit
3.10.1 General Description
3.10.2 Laser precautions
3.11 Paper Feeding System
3.11.1 General Description
3.11.2 Functions
3.11.3 Operation
3.12 Process Related Section
3.12.1 Construction
3.12.2 Functions
3.13 Drum/Cleaner Unit
3.13.1 Construction
3.13.2 Functions
3.13.3 Image Quality Control
3.14 Developer Unit
3.14.1 Construction
3.14.2 Functions
3.14.3 Developer Unit Drive
3.15 Transfer/Transport Unit
3.15.1 General Description
3.15.2 Functions
3.15.3 General Description of Transfer Belt Unit Operation
3.16 Fuser Unit
3.16.1 Outline
3.16.2 Operation
3.16.3 Functions
3.16.4 Fuser Control Circuit
3.17 Exit/Reverse Section
3.17.1 General Description
3.17.2 Functions
3.17.3 Driving of Exit/Reverse section
3.17.4 Operation
3.18 Reversing Automatic Document Feeder (RADF)
3.18.1 General Description
3.18.2 Functions
3.18.3 Description of Operation
3.19 Power Supply Unit
3.19.1 Construction
3.19.2 Operation of DC Output Circuit
3.19.3 Output Channel
3.19.4 Fuse

4. DISASSEMBLY AND REPLACEMENT
4.1 Installation and Replacement of Covers
4.1.1 Front cover (Upper/Lower)
4.1.2 Front right inner cover
4.1.3 Top right cover
4.1.4 FAN cover
4.1.5 Top left cover
4.1.6 Top rear cover
4.1.7 Right upper cover
4.1.8 Right center cover
4.1.9 Right rear cover
4.1.10 Left upper cover
4.1.11 Left lower cover (Exit cover)
4.1.12 Left rear cover
4.1.13 Rear cover
4.2 Control Panel
4.2.1 Control panel unit
4.2.2 DSP board (DSP)
4.2.3 KEY board (KEY)
4.2.4 LCD panel (LCD) / Touch panel (TCP)
4.2.5 Control panel cover
4.3 Scanning Section
4.3.1 Original glass
4.3.2 Lens cover
4.3.3 SLG board cooling fan (M23)
4.3.4 Automatic original detection sensor (APS sensor) (S1 / S2 / S3 / S4 / S5)
(e-STUDIO556/656/756/856)
4.3.5 Automatic original detection sensor (APS sensor) (S1 / S2)
(e-STUDIO557/657/757/857)
4.3.6 Carriage-1 (e-STUIDIO556/656/756/856)
4.3.7 Carriage-1 (e-STUIDIO557/657/757/857)
4.3.8 Exposure lamp (EXP)
4.3.9 Lamp inverter board (INV-EXP)
4.3.10 Exposure lamp cooling fan-1 (M36)
4.3.11 Exposure lamp cooling fan-2 (M37)
4.3.12 Lens unit (e-STUDIO556/656/756/856)
4.3.13 Lens unit (e-STUDIO557/657/757/857)
4.3.14 Scanning section control PC board (SLG) (e-STUDIO556/656/756/856)
4.3.15 Carriage wire / Carriage-2
4.3.16 Carriage home position sensor (S6)
4.3.17 Scan motor (M1)
4.3.18 Scanner unit cooling fan (M38)
4.3.19 Platen sensor (S53) (e-STUDIO556/656/756/856)
4.3.20 Platen sensor (S53/S54) (e-STUDIO557/657/757/857)
4.4 Laser Optical Unit (e-STUDIO556/656/756/856)
4.4.1 Laser unit cooling fan
4.4.2 Laser optical unit
4.4.3 Laser control PC board (PLG board)
4.5 Laser Optical Unit (e-STUDIO557/657/757/857)
4.5.1 Laser unit cooling fan
4.5.2 Laser optical unit
4.5.3 Laser control PC board (PLG board)
4.6 Paper Feeding System
4.6.1 Paper feeder unit / Bypass feed unit
4.6.2 Intermediate transport unit
4.6.3 Bypass feed unit
4.6.4 Feed motor (M20)
4.6.5 Tray driving unit (upper/lower) / Tray-up motor (M21, M22)
4.6.6 Feed driving unit
4.6.7 Registration roller unit
4.6.8 Paper dust removal brush 2 (for the metallic registration roller)
4.6.9 Registration motor (M16)
4.6.10 Tandem LCF
4.7 Process Related Section
4.7.1 Main charger
4.7.2 Wire cleaner drive unit / Wire cleaner drive motor (M12)
4.7.3 Discharge LED (ERS)
4.7.4 Drum surface potential sensor (S13)
4.7.5 Temperature/humidity sensor (S7)
4.7.6 Exhaust duct
4.7.7 Duct out fan (M27) / Exit section cooling fan (M29)
4.7.8 Ozone filter
4.8 Drum/Cleaner Unit
4.8.1 Cleaner unit
4.8.2 Drum thermistor (THM5) and Drum
4.8.3 Cleaning blade
4.8.4 Recovery blade
4.8.5 Cleaning brush
4.8.6 Image quality sensor (S14)
4.8.7 Drum separation finger (e-STUDIO556/656/756/856)
4.8.8 Drum separation finger (e-STUDIO557/657/757/857)
4.8.9 Drum motor (M11) / Motor driving PC board (MOT)
4.8.10 Cleaning brush drive motor (M13) / Drum separation finger solenoid (SOL1)
4.9 Developer Unit
4.9.1 Toner cartridge drive unit
4.9.2 Toner cartridge switch (SW2)
4.9.3 New toner supply motor (M5)
4.9.4 Toner cartridge empty sensor (S10)
4.9.5 New toner transport motor (M6)
4.9.6 Toner recycle unit
4.9.7 Recycle toner transport motor (M8) and Hopper motor (M7)
4.9.8 Developer unit
4.9.9 Developer material
4.9.10 Doctor blade
4.9.11 Auto-toner sensor (S12)
4.9.12 Guide roller on the front side
4.9.13 Guide roller on the rear side
4.9.14 Scattered toner recovery roller / Developer sleeves (Magnetic roller)
4.9.15 Transport sleeve
4.9.16 Mixer
4.9.17 Paddle
4.9.18 Procedure for replacing an oil seal
4.9.19 Developer unit motor (M10)
4.9.20 Developer unit detection switch (SW3)
4.9.21 Toner filter unit / Developer unit fan (M31)
4.9.22 Toner bag full detection sensor (S11)
4.9.23 Used toner transport motor (M9)
4.10 Transfer/Transport Unit
4.10.1 Transfer unit
4.10.2 Transfer belt
4.10.3 Cleaning brush
4.10.4 Cleaning blade
4.10.5 Transfer/Transport unit
4.10.6 Horizontal transport sensor-1, -2 and -3 (S19, S20, S21)
4.10.7 Horizontal transport section driving clutch-2 (CLT2)/ -3 (CLT3)
(e-STUDIO556/656/756/856)
4.10.8 Horizontal transport section driving clutch-2 (CLT2)/ -3 (CLT3)
(e-STUDIO557/657/757/857)
4.10.9 Horizontal transport section driving clutch-1 (CLT1)
(e-STUDIO556/656/756/856)
4.10.10 Horizontal transport section driving clutch-1 (CLT1)
(e-STUDIO557/657/757/857)
4.10.11 Transfer belt drive motor unit / Transfer belt motor (M14)
4.10.12 Transfer belt contact/release cam driving unit
4.10.13 Transfer belt cam motor (M15)
4.11 Fuser Unit
4.11.1 Heater control PC board (IH board)
4.11.2 Fuser unit
4.11.3 Cleaning web unit / Cleaning web
4.11.4 IH coil
4.11.5 Upper separation finger unit / Upper separation finger
4.11.6 Lower separation finger unit / Lower separation finger
4.11.7 Fuser roller front/center/rear thermistor (THM1 / THM 2 / THM 3), Fuser roller
center/side thermostat (THMO1 / THMO2)
4.11.8 Fuser roller
4.11.9 Pressure roller
4.11.10 Web detection sensor (S8)
4.11.11 Web motor (M4) / Fuser transport sensor (S9)
4.11.12 Pressure roller thermistor (THM4)
4.12 Exit/Reverse Section
4.12.1 Exit/Reverse unit
4.12.2 Reverse section cooling fan-1 [M24] / Reverse section cooling fan-2 [M25]
4.12.3 Exit sensor [S22]
4.12.4 Reverse sensor-1 [S23] / Reverse sensor-2 [S24]
4.12.5 Exit cover switch [SW5]
4.12.6 Gate solenoid [SOL2]
4.12.7 Exit roller
4.12.8 Reverse section driving unit / Reverse motor driving PC board (MOT2-RV board)
4.12.9 Reverse motor [M19]
4.12.10 Reverse roller-1 / Reverse roller-2
4.12.11 Exit motor [M18]
4.12.12 O-ring
4.13 Reversing Automatic Document Feeder (RADF)
4.13.1 RADF
4.13.2 RADF front cover
4.13.3 RADF rear cover
4.13.4 Original jam access cover
4.13.5 RADF left cover
4.13.6 Original tray
4.13.7 Original reverse tray
4.13.8 Platen sheet unit
4.13.9 RADF exit tray
4.13.10 Reading start guide unit
4.13.11 Exit guide / Exit/reverse guide / Reading end guide
4.13.12 Original holding guide (for e-STUDIO557/657/757/857)
4.13.13 Paper feeder unit
4.13.14 Pickup roller
4.13.15 Feed roller
4.13.16 Separation roller (e-STUDIO556/656/756/856)
4.13.17 Separation roller (e-STUDIO557/657/757/857)
4.13.18 Original registration roller
4.13.19 Intermediate transport roller
4.13.20 Reading start roller
4.13.21 Reading end roller
4.13.22 Exit roller
4.13.23 Exit/reverse roller
4.13.24 Exit intermediate roller
4.13.25 Reverse roller
4.13.26 Original feed motor (MR1)
4.13.27 Original feed motor bracket
4.13.28 Read motor (MR2)
4.13.29 Read motor bracket
4.13.30 Original reverse motor (MR3)
4.13.31 Original exit motor (MR4)
4.13.32 RADF cooling fan (FR1)
4.13.33 Original pickup solenoid (SOLR1)
4.13.34 Original reverse solenoid (SOLR2)
4.13.35 Original exit solenoid (SOLR3)
4.13.36 Original jam access cover opening/closing switch (SWR1)
4.13.37 RADF opening/closing switch (SWR2)
4.13.38 RADF opening/closing sensor (SR15)
4.13.39 Original empty sensor (SR3)
4.13.40 Original jam access cover opening/closing sensor (SR13)
4.13.41 Feeder lower guide unit
4.13.42 Original width detection sensor-3 (SR8)
4.13.43 Original width detection sensor-2 (SR7)
4.13.44 Original width detection sensor-1 (SR6)
4.13.45 Original registration sensor (SR5)
4.13.46 Original exit sensor (SR12)
4.13.47 Original tray sensor (SR1)
4.13.48 Original tray width sensor (SR2)
4.13.49 Original exit/reverse sensor (SR11)
4.13.50 Original reverse unit opening/closing sensor (SR14)
4.13.51 Original reading end sensor (SR4)
4.13.52 Original intermediate transport sensor (SR9)
4.13.53 Original reading start sensor (SR10)
4.13.54 Original reading start sensor (prism)
4.13.55 RADF board (RADF)
4.13.56 RADF board bracket
4.13.57 Harness guide
4.14 Removal and Installation of Options
4.14.1 Finisher
4.14.2 Large Capacity Feeder (LCF)

5. SELF-DIAGNOSTIC MODE
5.1 General description
5.2 Service UI
5.2.1 Overview
5.2.2 Login procedure
5.2.3 [SERVICE MODE] Screen
5.2.4 Setting/Changing password
5.3 Input check (Test mode 03)
5.4 Output check (Test mode 03)
5.5 Test print mode (test mode 04)
5.6 Adjustment mode (05)
5.7 Test print pattern in Adjustment Mode (05)
5.8 Setting mode (08)
5.9 Assist Mode (3C)
5.9.1 Functions
5.9.2 Operating Procedure
5.10 HDD Assist Mode (4C)
5.10.1 General description
5.10.2 Operation procedure
5.10.3 Functions
5.11 File System Recovery Mode (5C)
5.11.1 Overview
5.11.2 Operation procedure
5.11.3 Functions
5.12 SRAM Clear Mode (6C)
5.12.1 Overview
5.12.2 Operation procedure
5.12.3 Functions
5.13 List Print Mode(9S)
5.14 Pixel counter
5.15 Batch Setting for Self-Diagnostic Codes
5.15.1 General description
5.15.2 Applicable codes
5.15.3 Setting files
5.15.4 Result files
5.15.5 Operation procedure

6. ADJUSTMENT
6.1 Adjustment Order
6.2 Adjustment of Auto-Toner Sensor
6.3 Image Dimensional Adjustment
6.3.1 General description
6.3.2 Paper alignment at the registration roller
6.3.3 Printer related adjustment
6.3.4 Scanner related adjustment
6.4 Image Quality Adjustment (Copying Function)
6.4.1 Automatic gamma adjustment
6.4.2 Density adjustment
6.4.3 Background adjustment
6.4.4 Sharpness adjustment
6.4.5 Setting range correction
6.4.6 Adjustment of smudged/faint text
6.4.7 Gamma balance adjustment
6.4.8 Adjustment of image density
6.4.9 Judgment threshold adjustment for blank originals
6.4.10 ADF scan noise reduction (Copying Function) (e-STUIDIO557/657/757/857)
6.5 Image Quality Adjustment (Printing Function)
6.5.1 Adjustment of smudged/faint text
6.5.2 Adjustment of image density
6.5.3 Gamma balance adjustment
6.6 Image Quality Adjustment (Scanning Function)
6.6.1 Gamma balance adjustment
6.6.2 Density adjustment
6.6.3 Judgment threshold for ACS
6.6.4 Sharpness adjustment
6.6.5 Setting range correction (Only for e-STUIDIO556/656/756/856)
6.6.6 Background adjustment
6.6.7 Fine adjustment of black density
6.6.8 RGB conversion method selection
6.6.9 Adjustment of saturation
6.6.10 Background processing offset adjustment (Only for e-STUIDIO556/656/756/856)
6.6.11 Background offsetting adjustment for RADF (common for copy, scan and fax)
6.6.12 Surrounding void amount adjustment
6.6.13 JPEG compression level adjustment (e-STUIDIO557/657/757/857)
6.6.14 Adjustment of the capacity and image quality of SlimPDF (e-STUIDIO557/657/757/857)
6.6.15 ADF scan noise reduction (Scanning Function) (e-STUIDIO557/657/757/857)
6.7 Image Quality Adjustment (FAX Function)
6.7.1 Density adjustment
6.7.2 Adjustment of image density
6.8 Measurement at Replacement of High-Voltage Transformer
6.8.1 Measurement
6.9 Adjustment of the Scanner Section
6.9.1 Adjustment carriages-1 and -2 positions
6.9.2 Belt tension adjustment of the Scan motor
6.9.3 Carriages
6.10 Adjustment of the Paper Feeding System
6.10.1 Sheet sideways deviation caused by paper feeding
6.10.2 Separation roller pressure force adjustment
6.11 Adjustment of Developer Unit
6.12 Transfer Belt Deviation Adjustment
6.12.1 Transfer belt deviation check
6.12.2 Adjustment procedure
6.13 Transfer bias ON timing adjustment (e-STUIDIO557/657/757/857)
6.14 Adjustment of Fuser Unit
6.14.1 Adjustment of fuser roller pressure
6.14.2 Setting of fuser/pressure roller temperature
6.14.3 Adjustment of fuser entrance guide
6.14.4 High-fusing mode
6.14.5 Changing Printing Speed
6.15 Adjustment of the RADF
6.15.1 RADF position adjustment
6.15.2 RADF height adjustment
6.15.3 RADF image skew adjustment
6.15.4 RADF leading edge position adjustment
6.15.5 RADF horizontal position adjustment
6.15.6 RADF copy ratio adjustment
6.15.7 RADF opening/closing switch adjustment
6.15.8 Original reading start sensor adjustment
6.15.9 Platen Sheet
6.15.10 RADF Separation roller pressure force adjustment
(e-STUDIO557/657/757/857)
6.16 Adjustment of Finisher
6.16.1 Adjusting the Height Sensor (PS1)
6.16.2 Adjusting the Alignment Position
6.16.3 Adjusting the Staple Position (stapler movement range)
6.16.4 Adjusting the Buffer Roller Winding Amount
6.17 Adjustment of Saddle stitch finisher
6.17.1 Adjusting the Folding Position
6.17.2 Stitching Position (adjusting center stitching)
6.18 Adjustment of Hole punch unit
6.18.1 Sensor output adjustment
6.18.2 Registering the number of punch holes
6.18.3 Checking the sensitivity level of the transmission sensor
6.19 Adjustment of Inserter
6.19.1 Tray guide width adjustment
6.19.2 Input check 1
6.19.3 Check of sensor operations 1
6.19.4 Check of sensor operations 2
6.20 Adjustment of LCF (MP-4004)
6.20.1 Sheet sideways deviation adjustment
6.20.2 LCF slant adjustment

7. PREVENTIVE MAINTENANCE (PM)
7.1 General Description
7.2 PM Display
7.2.1 General description
7.2.2 PM display conditions
7.2.3 PM display contents
7.2.4 Clearing counter
7.3 General Descriptions for PM Procedure
7.4 PM Support Mode
7.4.1 General description
7.4.2 Operational flow and operational screen
7.4.3 Work flow of parts replacement
7.5 Preventive Maintenance Checklist
7.6 Precautions for Storing and Handling Supplies
7.6.1 Precautions for storing TOSHIBA supplies
7.6.2 Checking and cleaning of photoconductive drum
7.6.3 Checking and cleaning of drum cleaning blade and transfer belt cleaning blade
7.6.4 Handling of drum cleaning brush and transfer belt cleaning brush
7.6.5 Handling of transfer belt
7.6.6 Checking and cleaning of fuser roller and pressure roller
7.6.7 Checking and replacing of cleaning web
7.7 PM KIT
7.8 Maintenance Part List
7.9 Grease List
7.10 Operational Items in Overhauling
7.11 Machine Refreshing Checklist (e-STUDIO557/657/757/857)

8. ERROR CODE AND TROUBLESHOOTING
8.1 Troubleshooting
8.1.1 If a problem continues even after performing all troubleshooting
8.1.2 Collection of debug logs with a USB device
8.1.3 Traceability label
8.2 Error Code List
8.2.1 Jam
8.2.2 Service call
8.2.3 Error in Internet FAX / Scanning Function
8.2.4 Printer function error
8.2.5 TopAccess related error
8.2.6 MFP access error
8.2.7 Maintenance error
8.2.8 Network error
8.2.9 Error history
8.3 Diagnosis and Prescription for Each Error Code
8.3.1 Check item
8.3.2 Paper transport jam
8.3.3 Paper misfeeding
8.3.4 Cover open jam
8.3.5 RADF jam
8.3.6 Finisher jam
8.3.7 Paper feeding system related service call
8.3.8 Scanning system related service call
8.3.9 Fuser unit related service call
8.3.10 Communication related service call
8.3.11 RADF related service call
8.3.12 Laser optical unit related service call
8.3.13 Finisher related service call
8.3.14 Service call for others
8.3.15 Error in Internet FAX / Scanning Function
8.3.16 Error in Printer Function
8.3.17 TopAccess related error/Communication error with external application
8.3.18 MFP access error
8.3.19 Maintenance error
8.3.20 Network error
8.3.21 Troubleshooting for image quality control
8.3.22 Troubleshooting for surface potential control
8.3.23 Troubleshooting for remaining toner detection sensor
8.3.24 Troubleshooting when E010 paper jamming or an image failure caused by drum separation finger staining occurs (e-STUDIO557/657/757/857)
8.3.25 Error code “M00” appears at firmware update
8.4 Troubleshooting for the Image
8.4.1 Abnormality of image density / Gray balance
8.4.2 Background fogging
8.4.3 Moire/lack of sharpness
8.4.4 Toner offset
8.4.5 Blurred image
8.4.6 Poor fusing
8.4.7 Blank copy
8.4.8 Solid copy
8.4.9 White banding or white void (in the feeding direction)
8.4.10 White banding (at right angle with the feeding direction)
8.4.11 Skew (inclined image)
8.4.12 Black banding (in the feeding direction)
8.4.13 Black banding (at right angle with the feeding direction)
8.4.14 White spots
8.4.15 Poor image transfer
8.4.16 Uneven image density
8.4.17 Faded image (low density, abnormal gray balance)
8.4.18 Image dislocation in feeding direction
8.4.19 Jittering image
8.4.20 Poor cleaning
8.4.21 Uneven light distribution
8.4.22 Blotched image
8.4.23 Black banding at the leading edge of scanned images
8.5 Other errors
8.5.1 Operation cannot be performed (operation from the control panel is not successful)
after installing the option(s) such as Wireless LAN module
8.5.2 The connection to the Wireless LAN cannot be made even though it is set to “Enabled”
8.5.3 Abnormality when the power is turned ON
8.5.4 “Authentication Failed” is displayed
8.5.5 Hard disk full error “H04” is displayed
8.5.6 “COVER OPEN” continues to be displayed

9. REPLACEMENT OF PC BOARDS / HDD
9.1 Installation and Separation of PC Boards / HDD
9.1.1 SYS board cover
9.1.2 System control PC board (SYS board) (e-STUDIO556/656/756/856)
9.1.3 System control PC board (SYS board) (e-STUDIO557/657/757/857)
9.1.4 DRV board case (e-STUDIO557/657/757/857)
9.1.5 SYS board case
9.1.6 Logic PC board (LGC board)
9.1.7 Hard disk (HDD) (e-STUDIO556/656/756/856)
9.1.8 Hard disk (HDD) (e-STUDIO557/657/757/857)
9.1.9 LGC board case
9.1.10 High-voltage transformer (HVT) / LGC board case
9.1.11 Switching regulator (PS) (e-STUDIO556/656/756/856)
9.1.12 Switching regulator (PS) (e-STUDIO557/657/757/857)
9.1.13 SRAM board (RAM-S) (e-STUDIO556/656/756/856)
9.1.14 SRAM board (RAM-S) (e-STUDIO557/657/757/857)
9.2 Precautions, Procedures and Settings for Replacing PC Boards and HDD
9.2.1 Precautions when replacing PC boards
9.2.2 HDD fault diagnosis
9.2.3 Precautions and procedures when replacing the HDD
9.2.4 Precautions and Procedures when replacing the SYS board
(for e-STUDIO556/656/756/856)
9.2.5 Precautions and Procedures when replacing the SYS board
(for e-STUDIO557/657/757/857)
9.2.6 Procedures and settings when replacing the SLG board
(for e-STUDIO556/656/756/856)
9.2.7 Procedures and settings when replacing the LGC board
9.2.8 Precautions and Procedures when replacing SRAM board
9.2.9 Precautions and Procedures when replacing NVRAM
9.2.10 Firmware confirmation after the PC board/HDD replacement
9.2.11 License re-registration using the one-time dongle
9.3 Precautions for Installation of GP-1070 and Disposal of HDD/Board
9.3.1 Precautions for Installation of GP-1070
9.3.2 Precautions when disposing of the HDD
9.3.3 Precautions when disposing of the SYS board
9.3.4 Precautions when disposing of the SRAM board
9.4 Re-registration of the Electronic License Key with the one-time dongle
9.4.1 Outline
9.4.2 Re-registration method
9.4.3 Re-registration method when the equipment is replaced due to a malfunction

10. REMOTE SERVICE
10.1 Auto Supply Order
10.1.1 Outline
10.1.2 Setting Item
10.1.3 Setting procedure
10.1.4 Order Sheet Format
10.2 Service Notification
10.2.1 Outline
10.2.2 Setting
10.2.3 Items to be notified

11. FIRMWARE UPDATING
11.1 General description
11.1.1 Firmware Updating for e-STUDIO556/656/756/856
11.1.2 Firmware Updating for e-STUDIO557/657/757/857
11.2 Firmware Updating with a USB device
11.2.1 Updating methods
11.2.2 Firmware type and data file name for updating
11.2.3 Folder configuration of a USB device
11.2.4 Update procedure
11.3 Firmware Updating with PWA-DWNLD-JIG1
11.3.1 Writing the data to the download jig (PWA-DWNLD-JIG1)
11.3.2 System ROM (e-STUDIO556/656/756/856)
11.3.3 System ROM (e-STUDIO557/657/757/857)
11.4 Firmware Updating with K-PWA-DLM-320
11.4.1 Laser ROM
11.4.2 Engine ROM / PFC ROM
11.4.3 Scanner ROM (e-STUDIO556/656/756/856)
11.4.4 RADF firmware (e-STUDIO556/656/756/856)
11.4.5 Finisher firmware (MJ-1027/1028)
11.4.6 Saddle stitcher firmware (MJ-1028)
11.4.7 Inserter firmware (MJ-7001)
11.4.8 Fax unit firmware (GD-1250/GD-1350)
11.5 Replacing the ROM (Finisher MJ-1029)
11.6 Confirmation of the updated data
11.7 When Firmware Updating Fails
11.7.1 Procedure
11.7.2 Flow chart for correcting USB update failure

12. BACKUP FUNCTION
12.1 Data Cloning
12.1.1 General description
12.1.2 Precautions
12.1.3 Backup files
12.1.4 Cloning procedure
12.2 AES (Advanced Encryption Standard) Data Encryption Function Setting
12.2.1 General description
12.2.2 Precautions
12.2.3 Setting procedure
12.2.4 Procedure for disabling data encryption function
12.2.5 Procedure for discarding HDD when data encryption function is enabled
12.3 High Security Mode
12.3.1 General description
12.3.2 Prior confirmation
12.3.3 Procedure for entering the High Security Mode
12.3.4 Precautions

13. EXTERNAL COUNTERS
13.1 Outline
13.2 Signal
13.2.1 Pin Layout
13.2.2 Details of the signals
13.3 Notices
13.3.1 Setting code
13.3.2 Setting value change and restrictions when using the Card controller
13.3.3 Setting value change and restrictions when using the coin controller
13.3.4 Setting value change and restrictions when using the key counter
13.3.5 Installation of External Counter
13.3.6 Restrictions when using the external counter

14. WIRE HARNESS CONNECTION DIAGRAMS
14.1 AC Wire Harness (e-STUDIO556/656/756/856)
14.2 AC Wire Harness (e-STUDIO557/657/757/857)
14.3 DC Wire Harness / Electric Parts Layout
14.3.1 DC Wire Harness (e-STUDIO556/656/756/856)
14.3.2 DC Wire Harness (e-STUDIO557/657/757/857)
14.3.3 Electric Parts Layout (e-STUDIO556/656/756/856)
14.3.4 Electric Parts Layout (e-STUDIO557/657/757/857)
15. SELF-DIAGNOSIS CODE (03/04/05/08 CODE) DIAGRAMS
e-STUDIO556/656/756/856
Input check (test mode 03)
Output check (test mode 03)
Test print mode (test mode 04)
Adjustment Mode (05) Codes
Setting Mode (08) Codes
e-STUDIO557/657/757/857
Input check (test mode 03)
Output check (test mode 03)
Test print mode (test mode 04)
Adjustment Mode (05) Codes
Setting Mode (08) Codes

APPENDIX
Maintenance check list.