Toshiba e-STUDIO 4508AG Manuals

Manuals and User Guides for Toshiba e-STUDIO 4508AG. We have 1 Toshiba e-STUDIO 4508AG manual available for free PDF download: Service Manual

Toshiba e-STUDIO 4508AG Service Manual (1012 pages)

MULTIFUNCTIONAL DIGITAL SYSTEMS

Brand: Toshiba | Category: All in One Printer | Size: 44 MB

Specifications/Accessories/Options/Supplies
29
Internet Fax
41
System List
44
Outline of the Machine
49
Sectional View
49
Electric Parts Layout
52
Symbols and Functions of Various Components
60
Sensors and Switches
60
Electromagnetic Clutches
62
Lamps and Heaters
63
Thermistors and Thermostats
64
Description of Operation
69
Detection of Abnormality
72
Hibernation Function
77
Description of Operation
83
Process of Detection of Original Size
84
Laser Optical Unit
86
Laser Precautions
87
Drive System
97
Drum Related Section
99
Development System
102
Operation
109
Heater Control Circuit
110
Automatic Duplexing Unit (ADU)
114
Description of Operations
116
Drive of ADU
117
Power Supply Unit
118
Explanation of Functions
118
Operation of DC Output Circuits
119
Output Channel
121
Disassembly and Replacement
123
Front Cover
123
Left Cover
123
Receiving Tray
124
Tray Rear Cover
124
Left Rear Cover
125
Right Front Cover
126
Right Rear Cover
126
Front Top Cover
127
Front Right Cover
128
Rear Top Cover
128
Control Panel Unit
130
DSP Board
134
Scanner Unit
137
Original Glass
137
Lens Cover
137
Exposure Lamp (EXP)
142
Scan Motor (M1)
143
Bypass Feed Roller
157
Bypass Separation Roller
160
Bypass Paper Sensor (S8)
162
Feed Cover
171
Transport Roller
172
Upper Tray-Up Motor (M11)
187
Lower Tray-Up Motor (M12)
188
Registration Roller Clutch (CLT1)
198
Driving Section
203
Process Unit
205
Drum Cleaner Unit
206
Discharge LED
208
Main Charger
209
Main Charger Grid
210
Main Charger Cleaner
210
Needle Electrode
211
Drum Cleaning Blade
213
Drum Separation Finger
214
Recovery Blade
215
Temperature/Humidity Sensor (S19)
216
Developer Unit
219
Filling Developer Unit with Developer Material
222
Drum Thermistor (THMS4)
223
Guide Roller / Developer Sleeve
224
Replacement of Oil Seal
230
Transfer Unit
231
Transfer Roller Unit
233
Separation Needle
235
Ozone Filter
236
Fuser Unit
238
Front Side Cover
240
Rear Side Cover
240
Separation Finger
241
Exit Sensor (S5)
243
Fuser Center Thermostat (Thmo1)/Fuser Front Thermostat (THMO2)
244
Pressure Roller
251
Fuser Roller
252
Reverse Unit
254
Paper Exit Unit
256
Reverse Roller
266
Removal and Installation of Options
285
Dual Scan Document Feeder
285
Reversing Automatic Document Feeder
289
Paper Feed Pedestal
292
Large Capacity Feeder
294
Bridge Kit
298
Inner Finisher
300
Saddle Stitch Finisher
303
Job Separator
310
Self-Diagnostic Mode
315
Operation Procedure
321
Test Mode
323
Output Check
323
Input Check
323
List Print Mode
325
List Printing
327
Screen Transition
345
Operation Procedure
348
Pixel Counter
365
Applicable Codes
373
Setting Files
373
Result Files
374
Setting / Adjustment
377
Adjustment of Auto-Toner Sensor
378
Image Dimensional Adjustment
380
Paper Alignment at the Registration Roller
382
Image Dimensional Adjustment at the Printing Section
386
Scanner Related Adjustment
392
Image Quality Adjustment (Copying Function)
401
Density Adjustment
402
Gamma Balance Adjustment
403
Background Adjustment
404
Sharpness Adjustment
404
Setting Range Correction
405
Density Adjustment of Graphic Lines (1200Dpi)
411
Image Quality Adjustment (Scanning Function)
413
Background Adjustment (Black/Grayscale)
415
Judgment Threshold for ACS
415
Contrast Adjustment
416
Fine Adjustment of Black Density
416
RGB Conversion Method Selection
416
Adjustment of Saturation
417
Adjustment of the Capacity and Image Quality of Slimpdf
417
Surrounding Void Amount Adjustment
418
JPEG Compression Level Adjustment
419
Image Quality Adjustment (FAX Function)
420
Adjustment of High-Voltage Transformer
422
Belt Tension Adjustment of the Scan Motor
431
Adjusting the Clearance of the Paper and Side Guides
432
Separation Roller Pressure Force Adjustment
433
Adjustment of Developer Unit
434
Doctor-To-Sleeve Gap
434
Adjustment of Height
443
Adjustment of Skew
445
Adjustment of the Leading Edge Position
449
Adjustment of Horizontal Position
451
Adjustment of Copy Ratio
452
Platen Sheet
455
Adjustment of RADF Height
461
Alignment Position Adjustment
472
Punch Hole Position Adjustment
476
Adjusting the Alignment Position
477
Adjusting the Stapling Position
480
Stapling/Folding Position Adjustment in Saddle Stitch Unit
489
Folding Position Adjustment
491
Saddle Stitch Skew Adjustment
492
Adjustment of Hole Punch Unit
493
Preventive Maintenance (Pm)
497
General Description
497
PM Display Contents
499
Clearing Counter
499
General Descriptions for PM Procedure
500
Operational Flow and Operational Screen
501
Work Flow of Parts Replacement
506
EPU Replacement Mode
507
Operation Flow
507
Counters to be Cleared
509
Fuser Unit Status Detection Mode
511
Operational Flow
511
Preventive Maintenance Checklist
512
Laser Optical Unit
514
Paper Feeding Section
515
Drum Related Section
517
Developer Section
520
Fuser Unit
522
Paper Exit Section / Reverse Section
524
Automatic Duplexing Unit
525
Checking and Cleaning of Photoconductive Drum
540
Checking and Cleaning of Drum Cleaning Blade
541
Checking and Cleaning of Fuser Roller and Pressure Roller
541
Checking and Replacing the Transfer Roller
542
Maintenance Part List
544
Grease List
546
Error Code and Troubleshooting
547
General Descriptions
547
If a Problem Continues Even after Performing All Troubleshooting
548
Collection of Debug Logs with a USB Device
549
Traceability Label
551
Error Code List
553
Service Call
562
Topaccess Related Error/Communication Error with External Application
590
Error History
609
Diagnosis and Prescription for each Error Code
611
Paper Exit Jam
612
Paper Transport Jam
613
Paper Misfeeding
626
Cover Open Jam
633
Other Jam
640
Finisher Jam
656
Drive System Related Service Call
693
Paper Feeding System Related Service Call
694
Scanning System Related Service Call
700
Process Related Service Call
705
Fuser Unit Related Service Call
708
Optional Communication Related Service Call
711
Circuit Related Service Call
717
Communication Related Service Call
720
Laser Optical Unit Related Service Call
721
Finisher Related Service Call
722
Service Call for Others
745
Error in Internet FAX / Scanning Function
775
Printer Function Error
804
Topaccess Related Error
810
MFP Access Error
815
Maintenance Error
822
Network Error
831
Background Fogging
842
Moire/Lack of Sharpness
843
Toner Offset
844
Blurred Image
847
Poor Fusing
848
Blank Copy
849
Solid Copy
850
White Banding or White Void (in the Feeding Direction)
851
White Banding (at Right Angle with the Feeding Direction)
853
Skew (Inclined Image)
854
Black Banding (in the Feeding Direction)
855
Black Banding (at Right Angle with the Feeding Direction)
857
White Spots
858
Poor Image Transfer
859
Uneven Image Density
860
Faded Image (Low Density, Abnormal Gray Balance)
861
Image Dislocation in Feeding Direction
862
Jittering Image
863
Poor Cleaning
864
Uneven Light Distribution
865
Blotched Image
866
Black Streaks on Image Leading Edge During Scanning
867
Replacement of Pc Boards/Hdd
883
Removal and Installation of PC Boards/Hdd
883
SYS Board Cover
883
Hard Disk (HDD)
884
SYS Board
885
LGC Board
887
Switching Regulator
889
High-Voltage Transformer (HVT)
890
Precautions When Replacing PC Boards
894
Precautions and Procedures When Replacing the SYS Board
902
Procedures When Replacing the LGC Board
911
License Re-Registration Using the One-Time Dongle
916
Remote Service
919
Auto Supply Order
919
Setting Item
920
Setting Procedure
922
Order Sheet Format
934
Service Notification
938
Items to be Notified
945
Firmware Updating
961
Firmware Updating with USB Device
962
Folder Configuration of a USB Device
964
Update Procedure
966
Confirmation of the Updated Data
975
Backup Function
977
Data Cloning
977
General Description
977
Backup Files
978
Cloning Procedure
978
AES Data Encryption Function Setting
982
Procedure for Disabling Data Encryption Function
987
High Security Mode
988
Prior Confirmation
988
External Counters
991
Details of the Signals
992
Setting Code
996
Setting Value Change and Restrictions When Using the Coin Controller
996
Setting Value
997
Wire Harness Connection Diagrams
999
AC Wire Harness
999
Revision Record
1006

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Toshiba e-STUDIO 4508AG Service Manual (1012 pages)

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