Random Spots/Blurred Images - Fuji Xerox DocuPrint M355df Service Manual

IQ-3

Random spots/Blurred images

Step
Checking the error mode.
1
Does the error occur only during copying?
Checking the original.
2
Is the original color clean?
Checking the platen glass and DADF Feed Roller.
3
Are there any damages or foreign substances?
Checking the printing.
Checked by [CE-Mode] - [Printer Diag] - [Test Print] -
4
[Gradation] in diagnosis.
Is the image printed correctly?
Checking after cleaning Inside the Printer.
5
Is the image printed correctly?
Ensure that the Toner Cartridge are installed correctly.
6
Is the image printed correctly?
Ensure that the Drum Cartridge are installed correctly.
7
Is the image printed correctly?
Checking the Default setting of the Printer Menus.
8 Is the [Adjust Density] of the [Maintenance] in the [Admin
Menu] the [Darker 2 or 3]?
Checking after resetting the Transfer Unit.
9 Reseat the Transfer Unit.
Is the image printed correctly?
Chapter 3 Image Quality Troubleshooting
Possible causative parts
- IIT ASSY (PL21.1.14)
- DADF ASSY (PL21.1.1)
- Transfer Unit [ROLL ASSY-TRANS CRU] (PL6.1.1)
- Drum Cartridge [XERO ASSY] (PL8.1.1)
- FUSING UNIT (PL7.1.1)
- HVPS (PL18.2.5)
Check and Action
3-9
3.2 Image Quality Troubleshooting
Yes
Go to step 2.
Go to step 3.
Remove the for-
eign substances
or Clean up the
IIT/DADF. If
platen glass has
been damaged,
Replace the IIT
ASSY (REP
21.1). Then go to
step 5.
Printing data is
incorrect, then
check the print-
ing data which
the problem gen-
erated.
End of work.
End of work.
End of work.
End of work.
Set the [Normal]
or [Lighter 1 to
3], then go to
step 9.
End of work.
No
Go to step 4.
End, checking
the original.
Go to step 5.
Go to step 5.
Go to step 6.
Go to step 7.
Go to step 8.
Go to step 9.
Go to step 10.