Chapter 3 Image Quality Troubleshooting
3.2 Image Quality Troubleshooting
3-5
8
The toner cartridges may be low or need to be replaced. Con-
firm the amount of toner left in each toner cartridge.
1
Check the toner level in the Status Monitor window.
2
Replace the toner cartridges as necessary.
Is the image printed correctly?
End of work.
Go to step 9.
9
Checking the TONER CARTRIDGE.
Is the toner cartridges installed to the printer the FUJI XEROX
toner?
Go to step 11.
Go to step 10.
10
Set the Non-FUJI XEROX toner option to [off].
(Refer to [Non-Genuine] in [Maintenance] of [Admin Menu].)
Is the image printed correctly?
End of work.
Go to step 11.
11
Checking the Transfer Unit for connection.
Remove the Transfer Unit.
Are the Plate Spring BTR on HVPS dirty or deformed?
Clean up the
Plate Spring BTR
or Replace the
HVPS (REP
18.3), then go to
step 12.
Go to step 12.
12
Checking after resetting the Transfer Unit.
Reseat the Transfer Unit.
Is the image printed correctly?
End of work.
Go to step 13.
13
Checking the Drum Cartridge for connection.
Remove the Drum Cartridge.
Are the Spring BCR and Spring DB on HVPS dirty or
deformed?
Clean up the
Spring BCR and
Spring DB or
Replace the
HVPS (REP
18.3), then go to
step 14.
Go to step 14.
14
Checking after resetting the Drum Cartridge.
Reseat the Drum Cartridge.
Is the image printed correctly?
End of work.
Go to step 15.
15
Checking the laser beam window of the ROS ASSY.
Are the laser beam windows on the ROS ASSY clean?
Go to step 16.
Clean the win-
dow with soft
cloth or cotton
swab gentry,
then go to step
16.
16
Checking the laser beam path.
Are there any foreign substance between the ROS ASSY and
Drum Cartridge?
Remove the for-
eign sub-
stances, then go
to step 17.
Go to step 17.
17
Check the MOTOR DISP operation.
Execute the Diag Digital Output [093-001] to check the rota-
tion of the MOTOR DISP.
Is it working properly?
Go to step 18.
Replace the
MOTOR DISP
(REP 5.3), then
go to step 19.
18
Were many low printing density pictures printed?
Go to step 19.
Go to step 20.
19
Execute the Toner Refresh
.
(Refer to [Toner Refresh] in [Maintenance] of [Admin Menu].)
Is the image printed correctly?
End of work.
Go to step 21.
20
Is the image printed correctly?
End of work.
Go to step 21.
Step
Check and Action
Yes
No
Summary of Contents for DocuPrint M355df
Page 1: ...DocuPrint M355df Service Manual 1st Edition ...
Page 2: ......
Page 4: ...Company Name Department Name Telephone No Full Name Employee No ...
Page 6: ......
Page 7: ...Preface ...
Page 13: ......
Page 14: ...Chapter 1 Service Call Procedure ...
Page 15: ......
Page 17: ......
Page 29: ...Chapter 1 Service Call Procedure 1 5 Periodic Replacement Parts 1 12 ...
Page 30: ...Chapter 2 Troubleshooting ...
Page 31: ......
Page 126: ...Chapter 3 Image Quality Troubleshooting ...
Page 127: ......
Page 129: ......
Page 170: ......
Page 171: ...Chapter 4 Disassembly Assembly and Adjustment ...
Page 172: ......
Page 179: ...Chapter 4 Disassembly Assembly and Adjustment 4 1 Preface 4 5 Figure 4 1 Printer ...
Page 226: ...Chapter 4 Disassembly Assembly and Adjustment 4 2 Removal Replacement 4 52 ...
Page 313: ...Chapter 5 Parts List ...
Page 314: ......
Page 318: ...5 2 Chapter 5 Parts List ...
Page 319: ...5 3 Chapter 5 Parts List 5 2 Parts list PL 1 1 UI Illustration ...
Page 321: ...5 5 Chapter 5 Parts List PL 2 1 ROS Illustration ...
Page 323: ...5 7 Chapter 5 Parts List PL 3 1 Drive Illustration ...
Page 325: ...5 9 Chapter 5 Parts List PL 4 1 NOHAD Illustration ...
Page 327: ...5 11 Chapter 5 Parts List PL 5 1 Dispenser Illustration ...
Page 329: ...5 13 Chapter 5 Parts List PL 6 1 Transfer Illustration ...
Page 331: ...5 15 Chapter 5 Parts List PL 7 1 Fusing Illustration ...
Page 333: ...5 17 Chapter 5 Parts List PL 8 1 Xerographics Illustration ...
Page 335: ...5 19 Chapter 5 Parts List PL 9 1 Tray Illustration ...
Page 337: ...5 21 Chapter 5 Parts List PL 10 1 Option Feeder 1 3 Illustration ...
Page 339: ...5 23 Chapter 5 Parts List PL 10 2 Option Feeder 2 3 Illustration ...
Page 341: ...5 25 Chapter 5 Parts List PL 10 3 Option Feeder 3 3 Illustration ...
Page 343: ...5 27 Chapter 5 Parts List PL 13 1 MSI 1 2 Illustration ...
Page 345: ...5 29 Chapter 5 Parts List PL 13 2 MSI 2 2 Illustration ...
Page 347: ...5 31 Chapter 5 Parts List PL14 1 Duplex Illustration ...
Page 349: ...5 33 Chapter 5 Parts List PL15 1 Registration 1 3 Illustration ...
Page 351: ...5 35 Chapter 5 Parts List PL15 2 Registration 2 3 Illustration ...
Page 353: ...5 37 Chapter 5 Parts List PL15 3 Registration 3 3 Illustration ...
Page 355: ...5 39 Chapter 5 Parts List PL17 1 Exit Illustration ...
Page 357: ...5 41 Chapter 5 Parts List PL18 1 Electrical 1 3 Illustration ...
Page 359: ...5 43 Chapter 5 Parts List PL18 2 Electrical 2 3 Illustration ...
Page 361: ...5 45 Chapter 5 Parts List PL18 3 Electrical 3 3 Illustration ...
Page 363: ...5 47 Chapter 5 Parts List PL19 1 Cover 1 2 Illustration ...
Page 365: ...5 49 Chapter 5 Parts List PL19 2 Cover 2 2 Illustration ...
Page 367: ...5 51 Chapter 5 Parts List PL21 1 IIT DADF Illustration ...
Page 369: ......
Page 370: ...Chapter 6 General ...
Page 371: ......
Page 376: ...Chapter 6 General 6 1 ...
Page 400: ...Chapter 6 General 6 3 Service Data Undescribed 6 25 6 3 Service Data Undescribed ...
Page 478: ...Chapter 7 Wiring Data ...
Page 479: ......
Page 481: ......
Page 491: ...Chapter 7 Wiring Data 7 2 Wire Network Undescribed 7 10 7 2 Wire Network Undescribed ...
Page 492: ...Chapter 7 Wiring Data 7 3 BSD Undescribed 7 11 7 3 BSD Undescribed ...
Page 495: ...Chapter 7 Wiring Data 7 4 Connection Wiring Diagram 7 14 7 4 2 General Wiring Diagram ...
Page 496: ...Chapter 7 Wiring Data 7 4 Connection Wiring Diagram 7 15 ...
Page 501: ...Chapter 7 Wiring Data 7 5 Interconnection Wiring Diagram of Parts 7 20 7 5 2 1 Power ...
Page 503: ...Chapter 7 Wiring Data 7 5 Interconnection Wiring Diagram of Parts 7 22 7 5 2 2 Drive ...
Page 505: ...Chapter 7 Wiring Data 7 5 Interconnection Wiring Diagram of Parts 7 24 7 5 2 3 ROS ...
Page 507: ...Chapter 7 Wiring Data 7 5 Interconnection Wiring Diagram of Parts 7 26 7 5 2 4 Xero HVPS ...
Page 509: ...Chapter 7 Wiring Data 7 5 Interconnection Wiring Diagram of Parts 7 28 7 5 2 5 Fusing ...
Page 511: ...Chapter 7 Wiring Data 7 5 Interconnection Wiring Diagram of Parts 7 30 7 5 2 6 Controller ...
Page 513: ...Chapter 7 Wiring Data 7 5 Interconnection Wiring Diagram of Parts 7 32 7 5 2 7 Scanner ...
Page 517: ......
Page 518: ...Chapter 10 Principle of Operation ...
Page 519: ......
Page 521: ......