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e-STUDIO281c, e-STUDIO351c, e-STUDIO451c
25)Stain on the paper back side
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602 pages, 30.5 Mb
June 2005 © TOSHIBA TEC
e-STUDIO281c/351c/451c TROUBLESHOOTING
5 - 125
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25)Stain on the paper back side
Fig.5-25
The edge of image
cut off.
Feeding direction
Feeding direction
Printing side of 1st page
Back side of 2nd page
Contents
Main
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GENERAL PRECAUTIONS REGARDING THE SERVICE FOR e-STUDIO281c/351c/451c
The installation and service should be done by a qualified service technician.
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CONTENTS
1. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES .........................................1-1
2. ERROR CODE AND SELF-DIAGNOSTIC MODE ........................................................2-1
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1. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES
1.1 Specifications
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e-STUDIO351c Thick1 (81 g/m2 to 105 g/m2, 21 lb. Bond to 28 lb. Bond)
Thick2 (106 g/m2 to 163 g/m2, 29 lb. Bond to 90 lb. Index)
OHP
Thick3 (164 g/m2 to 209 g/m2, 91 lb. Index to 110 lb. Index)
e-STUDIO451c Thick1 (81 g/m2 to 105 g/m2, 21 lb. Bond to 28 lb. Bond)
Thick2 (106 g/m2 to 163 g/m2, 29 lb. Bond to 90 lb. Index)
Thick3 (164 g/m2 to 209 g/m2, 91 lb. Index to 110 lb. Index)
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1.2 Accessories
1.3 Options
1.4 Supplies
1 - 10
1.5 System List
05/11
Fig.1-2
2. ERROR CODE AND SELF-DIAGNOSTIC MODE
2.1 Error Code List
2.1.1 Jam
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2.1.2 Service call
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2.1.3 Error in Internet FAX / Scanning Function
1) Internet FAX related error
2) RFC related error
3) Electronic Filing related error
4) E-mail related error
5) File sharing related error
6) E-mail reception related error
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2.1.4 Printer function error
Following codes are displayed at the end of the user name on the print job log screen.
3 digits 3 digits 11 digits
2.2 Self-diagnosis Modes
List print mode (9S): The procedure varies depending on the code.
State transition diagram of self-diagnosis modes
PM support mode (6S): Firmware update mode (89): Refer to 6. FIRMWARE UPDATING.
*1 Turn OFF the power after using the self-diagnosis mode, and leave the equipment to the user.
[6][START] [POWER] (Code) 2: PM Support Screen
[START] (Operation started)
2.2.1 Input check (Test mode 03)
[FAX] button: OFF/[COPY] button: OFF ([FAX] LED: OFF/[COPY] LED: OFF)
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Table 1. Relation between the status of the bypass paper width sensor and paper size (width).
[FAX] button: ON/[COPY] button: OFF ([FAX] LED: ON/[COPY] LED: OFF)
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[FAX] button: OFF/[COPY] button: ON ([FAX] LED: OFF/[COPY] LED: ON)
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2.2.2 Output check (test mode 03)
<Operation procedure>
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2.2.3 Test print mode (test mode 04)
<Procedure 1> <Procedure 2>
2.2.4 Adjustment mode (05)
Procedure 5
()
([FAX] [START]) (Test copy)
[0][5] [POWER]
[POWER] OFF/ON (Exit)
[Digital key] (Code) [START] [CANCEL]
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2.2.5 Setting mode (08)
* Press [FUNCTION CLEAR] to enter minus (-).
Procedure 5
* Press [HELP] to enter "-". Procedure 7
Procedure 10
Procedure 9
Procedure 11 and 12
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setting (Copier)
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the black mode using [4IN1].
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2.2.6 Pixel counter
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Table 2-202 Pixel count code table (toner cartridge reference)
Table 2-203 Pixel count code table (service technician reference)
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2.2.7 Classification List of Adjustment Mode (05) / Setting Mode (08)
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3 - 1
3. ADJUSTMENT
Fig.3-1
3.1 Adjustment Order (Image Related Adjustment)
3.2 Adjustment of the Auto-Toner Sensor
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3.3 Performing Image Quality Control
3.4 Image Dimensional Adjustment
3.4.1 General description
3 - 7
Fig.3-2
XXX A3
3.4.2 Paper alignment at the registration roller
(Code) [START] (Sub-code)[ START]
3.4.3 Printer related adjustment
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3.4.4 Scanner related adjustment
Step 1
Step 2
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3.5 Image Quality Adjustment (Copying Function)
3.5.1 Automatic gamma adjustment
3.5.2 Color Deviation Adjustment
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Adjustment method 2 Test pattern (Block)
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3.5.3 Density adjustment
3.5.4 Color balance adjustment
3.5.5 Gamma balance adjustment
3.5.6 Offsetting adjustment for background processing
3.5.7 Judgment threshold for ACS
3.5.8 Sharpness adjustment
3.5.9 Setting range correction
3.5.10 Setting range correction (Adjustment of background peak)
3.5.11 Adjustment of smudged/faint text
3.5.12 Adaptation to highlighter
3.5.13 Beam level conversion setting
3.5.14 Maximum toner density adjustment to paper type
3.5.15 Maximum text density adjustment
3.5.16 Text/Photo reproduction level adjustment
3.5.17 Black reproduction switching at the Twin color copy mode
3.5.18 Background adjustment(Black Mode)
3.6 Image Quality Adjustment (Printing Function)
3.6.1 Automatic gamma adjustment
3.6.2 Color deviation adjustment
3.6.3 Gamma balance adjustment (Black Mode)
3.6.4 Color balance adjustment (Color Mode)
3.6.5 Adjustment of smudged/faint text
3.6.6 Upper limit value at Toner Saving Mode
3.6.7 Dot size adjustment in black printing
3.6.8 Maximum toner density adjustment to paper type
3.6.9 Image processing: Gamma correction table all clearing
3.7 Image Quality Adjustment (Scanning Function)
3.7.1 Gamma balance adjustment
3.7.2 Density adjustment (Black Mode)
3.7.3 Background adjustment (Gray Scale Mode)
3.7.4 Background adjustment (Color Mode)
3.7.5 Judgment threshold for ACS
3.7.6 Sharpness adjustment
3.7.7 Setting range correction
3.7.8 Setting range correction (Adjustment of background peak)
3.7.9 Fine adjustment of black density
3.7.10 RGB conversion method selection
3.7.11 Reproduction ratio of primary scanning direction (black)
3.7.12 Reproduction ratio of primary scanning direction (color)
3.8 High-Voltage Transformer Setting
3.8.1 General description
3.8.2 Setting at the replacement of high-voltage transformer
3.9 Adjustment of the Scanner Section
3.9.1 Carriages
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[Rear][ Front]
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3.9.2 Lens unit
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3.10 Adjustment of the Paper Feeding System
3.10.1 Sheet sid eways deviation caused by paper feeding
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3.11 Adjustment of the Developer Unit
3.11.1 Doctor-to-sleeve gap (black developer unit)
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3.11.2 Doctor-to-sleeve gap (color developer unit)
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3.11.3 Black developer unit lift up/down timing adjustment
* CW: Clockwise CCW:Counter Clockwise
Code to be used for the adjustment
3.12 Adjustment of the RADF (MR-3018)
3.12.1 Adjustment of RADF Position
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3.12.2 Adjustment of RADF Height
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3.12.3 Adjustment of Skew
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3.12.4 Adjustment of the Leading Edge Position
E
3.12.5 Adjustment of Horizontal Position
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3.12.6 Adjustment of Copy Ratio
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3.13 Adjustment of the Finisher (MJ-1022)
3.13.1 Adjusting t he jogging plate width
AB
3.13.2 Adjusting the angle of the jogging plate
3.13.3 Adjusting the overlap of the sensor flag
3.13.4 Adjusting the tension of the stack processing motor belt
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3.13.5 Releasing the stack tray guide lever fixing plate
3.13.6 Adjustment of the upper tray angle
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3.13.7 DIP switch functions
Note: Note: Perform the shipping position operation when the finisher is packed again.
3.14 Adjustment of the Finisher (MJ-1023/1024)
3.14.1 Adjusting the alignment position (Finisher unit)
A4 paper LT paper
3.14.2 Adjusting the staple position (Finisher unit)
A4/front stitch A4/rear stitch A4-R/front stitch A4-R/rear stitch
LT/front stitch LT/rear stitch LT-R/front stitch LT-R/rear stitch
3.14.3 Adjusting the folding position (Saddle stitcher unit)
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3.14.4 Fine adjustment of binding/folding position (Saddle stitcher unit)
3.14.5 Sensor output adjustment (Puncher unit)
3.14.6 Registering the number of punch holes (Puncher unit)
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4. PREVENTIVE MAINTENANCE (PM)
4.1 PM Support Mode
4.1.1 General description
4.1.2 Operational flow and operational screen
[ 1 ] Operational flow
[ 2 ] Operational screen
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[ 3 ] Access tree
Note: Note: The name inside [ ] is displayed on the LCD screen.
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4.1.3 Work flow of parts replacement
4.2 General Descriptions for PM Procedure
4.3 Operational Items in Overhauling
4.4 Preventive Maintenance Checklist
B. Laser unit C. Feed unit
D. Automatic duplexing unit
E. Bypass feed unit
F. Main charger
G. Drum/Cleaner related section
Note: Note: Check the color deviation after replacing G1 and G4. H. Toner bag
I. Black developer unit
J. Color developer unit / Revolver unit
K. Transfer belt unit / Transfer belt cleaning unit
Note: Note: Check the color deviation after replacing K1, K2 and K6. L. 2nd transfer roller unit
Note: Note: Check the color deviation after replacing L1.
M. Fuser unit
N. RADF (MR-3018)
O. PFP (KD-1011)
P. LCF (KD-1012)
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4.5 PM KIT
* The following seals and Mylar sheets are attached to the Belt cleaning blade.
4.6 Jig List
4.7 Grease List
4.8 Precautions for Storing and Handling Supplies
4.8.1 Precautions for storing TOSHIBA supplies
4.8.2 Checking and cleaning of photoconductive drum
4.8.3 Checking and cleaning of drum cleaning blade and transfer belt cleaning blade
4.8.4 Handling of drum cleaner brush
4.8.5 Handling of transfer belt
4.8.6 Checking and cleaning of fuser belt and pressure roller
4.8.7 Checking and replacing the oil roller and cleaning roller
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5. TROUBLESHOOTING
5.1 Diagnosis and Prescription for Each Error Code
5.1.1 Paper transport jam (paper exit section)
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5.1.2 Paper misfeeding
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5.1.3 Paper transport jam
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5.1.4 Other paper jam
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5.1.5 Cover open jam
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5.1.6 RADF jam
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5.1.7 Finisher jam
[ 1 ] Jam in bridge unit
[ 2 ] Paper jam in finisher section
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[ 3 ] Paper jam in saddle stitcher section
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[ 4 ] Paper jam in puncher unit
[ 5 ] Other paper jam
5.1.8 Drive system related service call
5.1.9 Paper feeding system related service call
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5.1.10 Scanning system related service call
5.1.11 Fuser unit related service call
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5.1.12 Communication related service call
5.1.13 RADF related service call
5.1.14 Circuit related service call
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5.1.15 Laser optical unit related service call
5.1.16 Finisher related service call
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5.1.17 Image control related service call
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5.1.18 Copy process related service call
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5.1.19 Toner density control related service call
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5.1.20 Other service call
5.1.21 Error in Internet FAX / Scanning Function
[ 1 ] Internet FAX related error
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[ 2 ] RFC related error
[ 3 ] Electronic Filing related error
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[ 4 ] E-mail related error
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[ 5 ] File sharing related error
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[ 6 ] E-mail reception related error
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5.2 Troubleshooting for the Image
1) Color deviation <Symptoms>
Feeding direction
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3) Poor image density, color reproduction and gray balance
Check image density.Check gray balance.
Check color reproduction. Check color reproduction.
4) Background fogging
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5) Moire/lack of sharpness
B
A
Moire
Lack of sharpness
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6)Toner offset
Black solid
Feeding direction
Shadow image
Approx. 173 mm
7) Blurred image
8) Poor fusing
9) Blank print
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10)Solid print
11)White banding (in feeding direction)
12)White banding (at right angles to feeding direction)
13)Skew (slantwise copying)
14)Color banding (in feeding direction)
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15)Color banding (at right angles to feeding direction)
16)White spots
17)Poor transfer
18)Uneven image density
19)Faded image (low density)
20)Image dislocation in feeding directio
21)Image jittering
22)Poor cleaning Note: Note: Poor cleaning may occur in feeding direction.
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23)Uneven light distribution
24)Blotched image
25)Stain on the paper back side
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5.3 Replacement of PC Boards and HDD
5.3.1 Replacing HDD
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5.3.2 Replacing SYS board
5.3.3 Replacing SLG board
5.3.4 Replacing or clearing NVRAM
5.3.5 Cautions when Data overwrite kit (GP-1060) is installed
5.3.6 HDD information display
4) Description of each ID
5.4 Other errors
6. FIRMWARE UPDATING
6.1 Firmware Updating with Download Jig
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6.1.1 PWA-DWNLD-350-JIG2 (48 MB)
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6.1.2 Writing the data to the download jig (PWA-DWNLD-350-JIG)
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6.1.3 K-PWA-DLM-320
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[MJ-1023][ MJ-1024]
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6.2 Firmware Updating with USB Storage Device
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6.2.1 Appendix
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7. POWER SUPPLY UNIT
7.1 Output Channel
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7.2 Fuse
e-STUDIO281c/351c/451c POWER SUPPLY UNIT June 2005 TOSHIBA TEC
7 - 4
7.3 Configuration of Power Supply Unit
Switching regulator
Fig.7-1
8. REMOTE SERVICE
8.1 Auto Supply Order
8.1.1 Outline
8.1.2 Setting Item
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8.1.3 Setting procedure
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Note: Note: Auto Supply Order setting is also available from the following setting mode (08).
8.1.4 Order Sheet Format
8 - 12
Fig.8-16
Fig.8-15
(3) Result list
8.2 Service Notification
8.2.1 Outline
8.2.2 Setting
[ 1 ] Preparation
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Note: Note: Service Notification setting is also available from the following setting mode (08).
8 - 19
8.2.3 Items to be notified
Fig.8-24
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8 - 21
Fig.8-25
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9. DATA CLONING with USB STORAGE DEVICE
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June 2005 TOSHIBA TEC e-STUDIO281c/351c/451c WIRE HARNESS CONNECTION DIAGRAMS
10 - 1
10. WIRE HARNESS CONNECTION DIAGRAMS
05/11
NAD/MJD model:
Standard
ASU/TWD/KRD model:
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05/11
10.2 DC Wire Harness
(Device)
LCD
Coin controler /
LAN connector
10.3 Electric Parts Layout
05/11
Motors
Others
Transformer
