Toshiba e-STUDIO 2505AC/3005AC/3505AC/4505AC/5005AC Service Manual


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual and self diagnosis code Toshiba e-STUDIO 2505AC/3005AC/3505AC/4505AC/5005AC contain clear instructions and procedures on how to fix the problems occurring in your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
Table of contents:

Content for Service Manual (1239 pag):
1. FEATURE
1.1 Main Features of this Equipment

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 Internet Fax
2.1.6 Network Fax (Option)
2.2 Accessories
2.3 System List
2.4 Option List
2.5 Supplies

3. OUTLINE OF THE MACHINE
3.1 Sectional View
3.1.1 Front side
3.1.2 Rear side
3.2 Electric Parts Layout
3.3 Symbols and Functions of Various Components
3.3.1 Motors, fans
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, LEDs, heaters, and coil
3.3.7 Thermistors, thermostats
3.3.8 Others
3.4 Copy Process
3.5 Comparison with e-STUDIO2055C/2555C/3555C/4555C/5055C
3.6 General Operation
3.6.1 Overview of Operation
3.6.2 Description of Operation
3.6.3 Detection of Abnormality
3.6.4 Hibernation function
3.7 Control Panel
3.7.1 General Description
3.8 Scanner
3.8.1 General Description
3.8.2 Construction
3.8.3 Functions
3.8.4 Description of Operation
3.8.5 Process of detection of original size
3.9 Writing Section
3.9.1 General description
3.9.2 Laser precautions
3.10 Driving Section
3.10.1 Drum TBU drive unit
3.10.2 Development drive unit/Paper feeding drive unit
3.10.3 Monochrome/color switching mechanism
3.11 Paper Feeding System
3.11.1 General Descriptions
3.11.2 Composition
3.11.3 Functions
3.11.4 Description of Operation
3.12 Process Unit Related Section
3.12.1 General description
3.12.2 Composition
3.12.3 Functions
3.12.4 Drum driving sleep mode
3.13 Developer Unit
3.13.1 General Description
3.13.2 Composition
3.13.3 Functions
3.13.4 Functions of the toner cartridge PC board (CTRG)
3.13.5 Waste toner box
3.14 Transfer Unit
3.14.1 General Descriptions
3.14.2 Composition
3.15 Image Quality Control
3.15.1 General Description
3.16 Fuser unit / Paper exit section
3.16.1 General Description
3.16.2 Composition
3.16.3 Pressure mechanism
3.16.4 Electric Circuit Description
3.17 Paper exit section/reverse section
3.17.1 General Description
3.17.2 Functions
3.17.3 Reverse Motor Drive
3.18 Automatic Duplexing Unit (ADU)
3.18.1 General Description
3.18.2 Composition
3.18.3 Drive of ADU
3.18.4 Description of Operations
3.19 Power Supply Unit
3.19.1 General description
3.19.2 Functions
3.19.3 Operation of DC Output Circuits
3.19.4 Output Channel
3.19.5 Fuse

4. DISASSEMBLY AND REPLACEMENT
4.1 Covers
4.1.1 Front cover
4.1.2 Left cover
4.1.3 Receiving tray
4.1.4 Tray rear cover
4.1.5 Left top cover
4.1.6 Left rear cover
4.1.7 Receiving rear cover
4.1.8 Rear left cover
4.1.9 Right top cover
4.1.10 Right front cover
4.1.11 Right rear cover
4.1.12 Front top cover
4.1.13 Control panel lower cover
4.1.14 Front right cover
4.1.15 Rear top cover
4.1.16 Top rear cover
4.1.17 Rear cover
4.1.18 Front cover switch (SW1)
4.1.19 Front cover interlock switch (SW2)
4.2 Control Panel
4.2.1 Control panel unit
4.2.2 KEY board/button
4.2.3 DSP board
4.3 Scanner Unit
4.3.1 Original glass
4.3.2 Lens cover
4.3.3 Automatic original detection sensor-1 (S24)
4.3.4 Automatic original detection sensor-2 (S25)
4.3.5 Lens unit/CCD driving PC board
4.3.6 Carriage home position sensor (S23)
4.3.7 Exposure lamp (EXP)
4.3.8 Scan motor (M1)
4.3.9 Platen sensor (S21, S22)
4.3.10 Carriage-1
4.3.11 Carriage wire, carriage-2
4.3.12 Scanner damp heater (DH1)
4.4 Writing Section
4.4.1 LSU cooling fan unit
4.4.2 LSU cooling fan
4.4.3 Laser optical unit
4.4.4 Flat cables / LRL board
4.5 Paper Feeding System
4.5.1 Bypass unit
4.5.2 Bypass feed roller
4.5.3 Bypass separation roller
4.5.4 Paper width detection PC board (SFB board) (S17)
4.5.5 Bypass feed sensor (S16)
4.5.6 Side cover switch (SW5)
4.5.7 Registration sensor (S19), Feed sensor (S20)
4.5.8 Registration roller (on the equipment side)
4.5.9 Registration roller (on the ADU side)
4.5.10 Jam access cover
4.5.11 Transport roller
4.5.12 Jam access cover opening/closing switch (SW20)
4.5.13 2nd drawer paper feed sensor (S32)
4.5.14 1st drawer paper feed unit
4.5.15 1st drawer separation roller guide
4.5.16 2nd drawer paper feed unit
4.5.17 2nd drawer separation roller guide
4.5.18 1st drawer paper feed roller, separation roller, and pick-up roller
4.5.19 2nd drawer paper feed roller, separation roller, and pick-up roller
4.5.20 1st drawer detection switch (SW8)
4.5.21 2nd drawer detection switch (SW19)
4.5.22 1st tray-up motor unit
4.5.23 2nd tray-up motor unit
4.5.24 1st tray-up motor
4.5.25 2nd tray-up motor
4.5.26 1st drawer paper remaining sensor (S30)
4.5.27 2nd drawer paper remaining sensor (S33)
4.5.28 1st drawer empty sensor (S5) and 1st drawer tray-up sensor (S31)
4.5.29 2nd drawer empty sensor (S34) and 2nd drawer tray-up sensor (S35)
4.5.30 1st drawer paper width detection switch (SW6) and 1st drawer paper length
detection switch (SW7)
4.5.31 2nd drawer paper width detection switch (SW17) and 2nd drawer paper length
detection switch (SW18)
4.5.32 Transport clutch (H) (CLT5)
4.5.33 Transport clutch (L) (CLT6)
4.5.34 1st drawer feed clutch (CLT1)
4.5.35 2nd drawer feed clutch (CLT4)
4.5.36 Registration motor (M14)
4.5.37 Paper feed drive unit
4.5.38 Paper feed drive gear
4.6 Process Unit (Developer Unit, Cleaner)
4.6.1 Waste toner box
4.6.2 Process Unit (Developer Unit, Cleaner)
4.6.3 Developer material
4.6.4 Doctor blade
4.6.5 Auto-toner sensor (S1, S2, S3, S4)
4.6.6 Development sleeve
4.6.7 Mixer
4.6.8 Replacement of oil seal
4.6.9 Main charger
4.6.10 Drum and bushing
4.6.11 Drum cleaning blade
4.6.12 Side seal
4.6.13 Main charger grid
4.6.14 Main charger cleaner
4.6.15 Needle electrode
4.6.16 EPU old/new detection switches (SW9, SW10, SW11, SW12)
4.6.17 Drum thermistor
4.6.18 Discharge LED
4.6.19 Waste toner paddle rotation detection sensor (S9)
4.6.20 Waste toner amount detection sensor (S36)
4.6.21 Waste toner paddle motor (M7)
4.6.22 Drum switching unit
4.6.23 Drum switching detection sensor (S11)
4.6.24 Mono/color switching motor (M3)
4.6.25 Paper feeding/developer unit drive motor (M2)
4.6.26 Developer drive unit
4.6.27 Toner motor assembly
4.6.28 Toner motor (M8, M9, M10, M11)
4.6.29 Ozone filter
4.6.30 Ozone exhaust fan (F2)
4.6.31 Suctioning fan (F3)
4.6.32 Power supply unit cooling fan (F8)
4.6.33 Drum drive gear
4.6.34 Developer drive gear
4.6.35 Main power switch (SW4)
4.6.36 Developer unit cooling exhaust duct
4.6.37 Developer unit cooling fan (F5)
4.6.38 Temperature/humidity sensor (S10)
4.7 Transfer Units (TBU, TRU)
4.7.1 Transfer belt cleaning unit
4.7.2 Transfer belt cleaning blade/blade seal/recovery blade
4.7.3 Transfer belt unit (TBU)
4.7.4 Transfer belt
4.7.5 Cleaner unit facing roller
4.7.6 Drive roller
4.7.7 1st transfer roller
4.7.8 2nd transfer roller
4.7.9 2nd transfer roller unit (TRU)
4.7.10 Paper clinging detection sensor (S18)
4.7.11 1st transfer contact/release clutch (CLT2)
4.7.12 1st transfer roller status detection sensor (S12)
4.7.13 Drum/TBU motor (M6)
4.7.14 Drum and TBU drive unit
4.8 Image Quality Control
4.8.1 Image quality control unit
4.8.2 Paper dust holder
4.8.3 Image position aligning sensor (Front) (S7)
4.8.4 Image position aligning sensor (Rear)/Image quality sensor (S8)
4.8.5 Registration pass sensor (S6)
4.9 Fuser Unit
4.9.1 Fuser unit
4.9.2 Front side cover
4.9.3 Rear side cover
4.9.4 Separation finger
4.9.5 Separation guide <25ppm/30ppm/35ppm>
4.9.6 Exit sensor (S13)
4.9.7 Paper exit guide
4.9.8 Fuser belt
4.9.9 Fuser belt lubricating sheet / Fuser belt pad
4.9.10 Fuser belt center thermistor (THM1) / edge thermistor (THM2) /
thermostat (THMO1)
4.9.11 Pressure roller
4.9.12 IH-COIL
4.9.13 Fuser belt rotation detection sensor (S27)
4.9.14 Pressure roller contact/release detection sensor (S29)
4.9.15 Fuser motor (M4)
4.9.16 Fuser drive unit
4.9.17 Pressure roller contact/release motor (M13)
4.9.18 IH board cooling fan (F6)
4.10 Paper Exit and Reverse Sections
4.10.1 Reverse unit
4.10.2 Paper exit unit
4.10.3 Lower exit roller
4.10.4 Reverse motor (M5)
4.10.5 Reverse gate solenoid (SOL2)
4.10.6 Upper exit roller
4.10.7 Reverse roller
4.10.8 Exit section cooling fan (F7)
4.11 Automatic Duplexing Unit (ADU)
4.11.1 Automatic duplexing unit (ADU)
4.11.2 Bypass feed clutch (CLT3)
4.11.3 Transport unit
4.11.4 ADU guide assembly
4.11.5 ADU middle cover
4.11.6 ADU control PC board (ADU board) (ADU)
4.11.7 ADU motor (M12)
4.11.8 ADU entrance sensor (S14)
4.11.9 ADU exit sensor (S15)
4.11.10 Transport roller (Upper and lower)
4.11.11 Reverse sensor (S26)
4.11.12 Side cover interlock switch (SW3)
4.11.13 Fuser section cooling fan 1 (F4)
4.11.14 Fuser section cooling fan 2 (F9)
4.12 Removal and Installation of Options
4.12.1 Dual Scan Document Feeder
4.12.2 Reversing Automatic Document Feeder
4.12.3 Paper Feed Pedestal
4.12.4 Large Capacity Feeder
4.12.5 Bridge Kit
4.12.6 Inner Finisher
4.12.7 Saddle Stitch Finisher
4.12.8 Saddle stitch finisher (Hole punch unit)
4.12.9 Finisher
4.12.10 Finisher (Hole punch unit)
4.12.11 Job Separator

5. SELF-DIAGNOSTIC MODE
5.1 Overview
5.2 Description Rule for Each Menu and Mode
5.3 Service UI
5.3.1 Overview
5.3.2 Operation procedure
5.3.3 Starting the FS Menu from the normal mode
5.4 03 TEST MODE
5.4.1 Output check
5.4.2 Input check
5.5 04 TEST PRINT MODE
5.6 05 ADJUSTMENT MODE
5.6.1 Adjustment
5.6.2 TEST PRINT
5.7 08 SETTING MODE
5.8 20 PM SUPPORT MODE
5.9 30 LIST PRINT MODE
5.9.1 Operation procedure
5.9.2 List Printing
5.10 31 CHART OUTPUT MODE
5.11 FAX
5.11.1 11 FAX CLEAR MODE
5.11.2 12 FAX LIST PRINT MODE
5.11.3 13 FAX FUNCTION MODE
5.11.4 19 RAM EDIT MODE
5.12 01 Control Panel Check Mode
5.12.1 Screen transition
5.12.2 Checking of the LCD back light and LEDs
5.12.3 Checking of the LCD display, hard keys and digital keys
5.12.4 Checking of the LCD touch sensor and USB storage device connection
5.13 73 Firmware Assist Mode
5.13.1 Overview
5.13.2 Operation procedure
5.13.3 Functions
5.14 74 HDD Assist Mode
5.14.1 Overview
5.14.2 Operation procedure
5.14.3 Functions
5.15 75 File System Recovery Mode
5.15.1 Overview
5.15.2 Operation procedure
5.15.3 Functions
5.16 76 SRAM Maintenance Mode
5.16.1 Overview
5.16.2 Operation procedure
5.16.3 Functions
5.17 Pixel Counter
5.17.1 Outline
5.18 Batch Setting for Self-Diagnostic Codes
5.18.1 General description
5.18.2 Applicable codes
5.18.3 Setting files
5.18.4 Result files
5.18.5 Operation procedure

6. SETTING / ADJUSTMENT
6.1 Image Related Adjustment
6.1.1 Adjustment Order
6.1.2 Adjustment of the Auto-Toner Sensor
6.1.3 Performing Image Quality Control
6.1.4 Adjustment of Color Registration Control
6.1.5 Image Dimensional Adjustment
6.1.6 Paper alignment at the registration roller
6.1.7 Image dimensional adjustment at the printing section
6.1.8 Image dimensional adjustment at the scanning section
6.2 Image Quality Adjustment (Copying Function)
6.2.1 Automatic gamma adjustment
6.2.2 Density adjustment
6.2.3 Gamma balance adjustment
6.2.4 Color balance adjustment
6.2.5 Background adjustment
6.2.6 Judgment threshold for ACS (common for copy and scan)
6.2.7 Sharpness adjustment
6.2.8 Setting range correction
6.2.9 Adjustment of smudged/faint text
6.2.10 Color Adjustment of Marker
6.2.11 Emission level adjustment
6.2.12 Maximum toner density adjustment to paper type
6.2.13 Maximum text density adjustment
6.2.14 Text/Photo reproduction level adjustment
6.2.15 Black header density level adjustment
6.2.16 Black area adjustment in twin color copy mode
6.2.17 Judgment threshold adjustment for blank originals (common for copy and scan)
6.2.18 Background offsetting adjustment for DF (common for copy, scan and fax)
6.2.19 Background offsetting adjustment in back side for DSDF (common for copy,
scan and fax)
6.2.20 Twin color copy / mono color copy adjustment
6.2.21 Maximum density adjustment for each paper type
6.2.22 Color reproduction selection
6.2.23 Hue adjustment
6.2.24 Saturation adjustment
6.2.25 ADF noise reduction
6.3 Image Quality Adjustment (Printing Function)
6.3.1 Automatic gamma adjustment
6.3.2 Gamma balance adjustment (Black Mode)
6.3.3 Color balance adjustment
6.3.4 Fine line/text density adjustment
6.3.5 Upper limit value in the Toner Saving Mode
6.3.6 Maximum toner density adjustment
6.3.7 Fine line enhancement switchover
6.3.8 “PureBlack/PureGray” threshold adjustment (PCL)
6.3.9 “PureBlack/PureGray” threshold adjustment (Twin color mode)
6.3.10 “PureBlack/PureGray” threshold adjustment (PS)
6.3.11 “PureBlack/PureGray” threshold adjustment (XPS)
6.3.12 Toner limit threshold adjustment
6.3.13 Sharpness adjustment
6.3.14 Thin line width lower limit adjustment
6.3.15 Offsetting adjustment for background processing
6.3.16 Color/black judgment setting for twin color printing images
6.3.17 Emission level adjustment
6.3.18 Density adjustment of graphic lines (1200 dpi)
6.3.19 Gradation switching for black mode printing text
6.3.20 Color reproduction switching (Twin color printing)
6.3.21 Auto Trapping adjustment
6.3.22 Adjustment of smudged text in black (600dpi)
6.3.23 Adjustment of smudged text in black (1200dpi)
6.4 Image Quality Adjustment (Scanning Function)
6.4.1 Gamma balance adjustment
6.4.2 RGB Color balance adjustment
6.4.3 Density adjustment
6.4.4 Background adjustment (Color)
6.4.5 Background adjustment (Black/Grayscale)
6.4.6 Judgment threshold for ACS (common for copy and network scan)
6.4.7 Sharpness adjustment
6.4.8 Contrast adjustment
6.4.9 Fine adjustment of black density
6.4.10 RGB conversion method selection
6.4.11 Adjustment of saturation
6.4.12 Background offsetting adjustment for DF (common for copy, scan and fax)
6.4.13 Background offsetting adjustment in back side for DSDF (common for copy,
scan and fax)
6.4.14 Adjustment of the capacity and image quality of SlimPDF
6.4.15 Surrounding void amount adjustment
6.4.16 Judgment threshold adjustment for blank originals (common for copy and scan)6-
75
6.4.17 JPEG compression level adjustment
6.4.18 ADF noise reduction
6.5 Image Quality Adjustment (FAX Function)
6.5.1 Density adjustment
6.5.2 Emission level adjustment
6.5.3 Background offsetting adjustment for DF (common for copy, scan and fax)
6.5.4 Background offsetting adjustment in back side for DSDF (common for copy,
scan and fax)
6.6 Scanner
6.6.1 Adjustment carriages-1 positions
6.6.2 Position adjustment of CCD lens unit
6.6.3 Belt tension adjustment of the Scan motor
6.7 Writing Section
6.7.1 Image Adjustment in the Writing Section
6.7.2 Adjustment of image tilting at the leading edge
6.8 Paper Feeding System
6.8.1 Adjusting the clearance of the paper and side guides
6.8.2 Separation roller pressure force adjustment
6.9 Process Unit Related Section
6.9.1 HighVoltage Transformer Setting
6.10 Developer Unit
6.10.1 Adjustment of the Auto-Toner Sensor
6.11 Image Quality Control
6.11.1 Performing Image Quality Control
6.12 Fuser Unit
6.12.1 Adjustment of the Separation Guide Gap
6.13 Adjustment of the DSDF
6.13.1 Adjustment of Position
6.13.2 Adjustment of Height
6.13.3 Adjustment of Skew
6.13.4 Adjustment of the Leading Edge Position
6.13.5 Adjustment of Horizontal Position
6.13.6 Adjustment of Copy Ratio
6.13.7 DSDF read-in sensor-1 adjustment
6.14 Adjustment of the RADF
6.14.1 Adjustment of RADF position
6.14.2 Adjustment of RADF height
6.14.3 Adjustment of skew
6.14.4 Adjustment of the leading edge position
6.14.5 Adjustment of horizontal position
6.14.6 Adjustment of copy ratio
6.15 Adjustment of the Inner Finisher
6.15.1 Alignment position adjustment
6.15.2 Stapling position adjustment
6.15.3 Punching position center adjustment
6.15.4 Punch hole position adjustment
6.16 Adjustment of the Console Finisher
6.16.1 Adjusting the alignment position
6.16.2 Adjusting the stapling position
6.17 Adjustment of the Saddle Stitch Finisher
6.17.1 Adjusting the Alignment Position
6.17.2 Adjusting the Stapling Position
6.17.3 Stapling/folding position adjustment in saddle stitch unit
6.17.4 Folding position adjustment
6.17.5 Stapling position adjustment
6.17.6 Saddle Stitch Skew Adjustment
6.18 Adjustment of Hole punch unit
6.18.1 Destination setting of hole punch control PC board
6.18.2 Stopping Position Adjustment (MJ-6105)

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 Counter Clearing
7.3 General Descriptions for PM Procedure
7.4 PM Support Mode
7.4.1 General Description
7.4.2 Operational flow
7.4.3 Operational screen
7.4.4 Access tree
7.5 Work flow of parts replacement
7.6 Preventive Maintenance Checklist
7.6.1 Scanner
7.6.2 Laser Optical Unit
7.6.3 Feed unit
7.6.4 Automatic duplexing unit
7.6.5 Bypass feed unit
7.6.6 Main charger
7.6.7 Cleaner unit
7.6.8 Developer unit (K, Y, M, and C)
7.6.9 Transfer belt unit / Transfer belt cleaning unit
7.6.10 Image quality control unit
7.6.11 2nd transfer roller unit
7.6.12 Fuser unit
7.6.13 Paper exit section / Reverse section
7.6.14 DSDF
7.6.15 RADF
7.6.16 PFP
7.6.17 LCF
7.6.18 Inner Finisher
7.6.19 Saddle stitch finisher / Finisher
7.6.20 Hole punch unit (MJ-6105)
7.7 Machine Refreshing Checklist
7.8 Storage of Supplies and Replacement Parts
7.9 PM KIT
7.10 Maintenance Part List
7.11 Grease List

8. ERROR CODE AND TROUBLESHOOTING
8.1 General Descriptions
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/Communication error with external application
8.2.6 MFP access error
8.2.7 Maintenance error
8.2.8 Network error
8.2.9 Notification
8.2.10 Error history
8.3 Diagnosis and Prescription for Each Error Code
8.3.1 Check item
8.3.2 Paper transport jam (paper exit section)
8.3.3 Paper misfeeding
8.3.4 Paper transport jam
8.3.5 Other paper jam
8.3.6 Cover open jam
8.3.7 RADF jam
8.3.8 Jam in bridge unit
8.3.9 Paper jam in finisher section
8.3.10 Paper jam in saddle stitcher section
8.3.11 Paper jam in puncher unit
8.3.12 Other paper jam
8.3.13 Drive system related service call
8.3.14 Paper feeding system related service call
8.3.15 Scanning system related service call
8.3.16 Fuser unit related service call
8.3.17 Communication related service call
8.3.18 RADF related service call
8.3.19 Circuit related service call
8.3.20 Laser optical unit related service call
8.3.21 Finisher related service call
8.3.22 Image control related service call
8.3.23 Copy process related service call
8.3.24 Other service call
8.3.25 Error in Internet FAX / Scanning Function
8.3.26 Printer function error
8.3.27 TopAccess related error/Communication error with external application
8.3.28 MFP access error
8.3.29 Maintenance error
8.3.30 Network error
8.4 Other errors
8.4.1 Equipment operation disabled after the installation of option(s)
8.4.2 Wireless LAN connection disabled
8.4.3 “Invalid Department Code” is displayed
8.4.4 Paper folded on the leading edge
8.4.5 Toner cartridge unrecognized
8.4.6 Ethernet disabled in half-duplex communication
8.4.7 The equipment does not start after the power has been turned ON
8.4.8 Countermeasure to Sudden Power Failure
8.4.9 “Authentication Failed” is displayed
8.4.10 Error code “M00” is displayed while updating firmware
8.4.11 “Fax line1 is out of order.” or “Fax line2 is out of order.” is displayed
8.4.12 “Close the cover on the right” is repeatedly displayed at intervals of a few
seconds
8.5 Troubleshooting for the Image
8.5.1 Color deviation
8.5.2 Uneven pitch and jitter image
8.5.3 Poor image density, color reproduction and gray balance
8.5.4 Background fogging 1
8.5.5 Background fogging 2 (1200 dpi printing)
8.5.6 Moire /lack of sharpness
8.5.7 Toner offset
8.5.8 Toner offset (shadow image) at the edges
8.5.9 Blurred image
8.5.10 Poor fusing
8.5.11 Blank print
8.5.12 Solid print
8.5.13 White banding (in feeding direction)
8.5.14 White banding (at right angles to feeding direction)
8.5.15 Skew (slantwise copying)
8.5.16 Color banding (in feeding direction)
8.5.17 Color banding (at right angles to feeding direction)
8.5.18 White spots
8.5.19 Poor transfer
8.5.20 Uneven image density 1 (in feeding direction)
8.5.21 Uneven image density 1 (at right angles to feeding direction)
8.5.22 Uneven image density 2
8.5.23 Faded image (low density, roughness)
8.5.24 Image dislocation in feeding direction
8.5.25 Image jittering
8.5.26 Poor cleaning
8.5.27 Uneven light distribution
8.5.28 Blotched image
8.5.29 Stain on the paper back side
8.5.30 White void in the halftone
8.5.31 Paper wrinkle
8.5.32 Staining at the leading/trailing edge
8.5.33 Faint image
8.5.34 Toner scattering
8.5.35 Feathered image
8.5.36 Image Skewing on Paper Trailing Edge
8.5.37 Staining on both sides of paper
8.5.38 Roller trace
8.5.39 Staining at the leading edge
8.5.40 Image distortion (dogleg image)

9. REPLACEMENT OF PC BOARDS/HDD
9.1 Removal and Installation of PC Boards/HDD
9.1.1 SYS board cover
9.1.2 SYS board cooling fan (F1)
9.1.3 Hard disk (HDD)
9.1.4 SYS board
9.1.5 SYS board case
9.1.6 LGC board
9.1.7 IH board
9.1.8 Switching regulator
9.1.9 High-voltage transformer (HVT)
9.1.10 SRAM
9.1.11 Main memory (DIMM)
9.1.12 EEPROM
9.1.13 PFC board
9.1.14 FIL board
9.1.15 CTIF board
9.1.16 DSDF bridge board
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
9.2.5 Precautions and procedure when replacing the SRAM
9.2.6 Procedures when replacing the LGC board
9.2.7 Procedures and settings when replacing EEPROM
9.2.8 Procedures and settings when replacing the Lens unit
9.2.9 Firmware confirmation after the PC board/HDD replacement
9.2.10 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 HDD
9.3.3 Precautions when disposing of the SYS board
9.3.4 Precautions when disposing of the SRAM

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 Overview
11.2 Firmware Updating with 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 Confirmation of the updated data

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 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 Installation of External Counter
13.3.5 Setting value
13.3.6 Restrictions when using the external counter

14. WIRE HARNESS CONNECTION
14.1 AC Wire Harness
14.2 DC Wire Harness / Electric Parts Layout
14.2.1 DC Wire Harness <25ppm/30ppm/35ppm>
14.2.2 DC Wire Harness <45ppm/50ppm>
14.2.3 Electric Parts Layout
APPENDIX
Preventive Maintenance Checklist
Maintenance Checklst

———————-

Content for Self-Diagnosis Code (418 pag):
03 TEST MODE
04 TEST PRINT MODE
05 ADJUSTMENT MODE
08 SETTING MODE
13 FUNCTION MODE
Test Print (05) Codes

Number total of pages: 1657.

Toshiba e-STUDIO2505AC e-STUDIO3005AC e-STUDIO3505AC e-STUDIO4505AC e-STUDIO5005AC eSTUDIO2505AC eSTUDIO3005AC eSTUDIO3505AC eSTUDIO4505AC eSTUDIO5005AC