Fuji Xerox DocuPrint M355df Service Manual page 134

Step
The toner cartridges may be low or need to be replaced. Con-
firm the amount of toner left in each toner cartridge.
8 1 Check the toner level in the Status Monitor window.
2 Replace the toner cartridges as necessary.
Is the image printed correctly?
Checking the TONER CARTRIDGE.
9 Is the toner cartridges installed to the printer the FUJI XEROX
toner?
Set the Non-FUJI XEROX toner option to [off].
10 (Refer to [Non-Genuine] in [Maintenance] of [Admin Menu].)
Is the image printed correctly?
Checking the Transfer Unit for connection.
11 Remove the Transfer Unit.
Are the Plate Spring BTR on HVPS dirty or deformed?
Checking after resetting the Transfer Unit.
12 Reseat the Transfer Unit.
Is the image printed correctly?
Checking the Drum Cartridge for connection.
Remove the Drum Cartridge.
13
Are the Spring BCR and Spring DB on HVPS dirty or
deformed?
Checking after resetting the Drum Cartridge.
14 Reseat the Drum Cartridge.
Is the image printed correctly?
Checking the laser beam window of the ROS ASSY.
15
Are the laser beam windows on the ROS ASSY clean?
Checking the laser beam path.
16 Are there any foreign substance between the ROS ASSY and
Drum Cartridge?
Check the MOTOR DISP operation.
Execute the Diag Digital Output [093-001] to check the rota-
17
tion of the MOTOR DISP.
Is it working properly?
18 Were many low printing density pictures printed?
Execute the Toner Refresh.
19
(Refer to [Toner Refresh] in [Maintenance] of [Admin Menu].)
Is the image printed correctly?
20 Is the image printed correctly?
Chapter 3 Image Quality Troubleshooting
Check and Action
3-5
3.2 Image Quality Troubleshooting
Yes
End of work.
Go to step 11.
End of work.
Clean up the
Plate Spring BTR
or Replace the
HVPS (REP
18.3), then go to
step 12.
End of work.
Clean up the
Spring BCR and
Spring DB or
Replace the
HVPS (REP
18.3), then go to
step 14.
End of work.
Go to step 16.
Remove the for-
eign sub-
stances, then go
to step 17.
Go to step 18.
Go to step 19.
End of work.
End of work.
No
Go to step 9.
Go to step 10.
Go to step 11.
Go to step 12.
Go to step 13.
Go to step 14.
Go to step 15.
Clean the win-
dow with soft
cloth or cotton
swab gentry,
then go to step
16.
Go to step 17.
Replace the
MOTOR DISP
(REP 5.3), then
go to step 19.
Go to step 20.
Go to step 21.
Go to step 21.