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Chapter 1 Troubleshooting
FIP- 1.P8 Partial Deletion
Before commencing troubleshooting, check the paper transfer course. Make sure there is no foreign
articles on the transfer course, such as staples, paper clips, scraps of paper and so on.
Print defect
There are some extremely faint or completely missing
parts. Those missing
parts are dotted in a limited area on the paper.
ESS and possible causes
- EP CARTRIDGE
- HVPS/MCU (PL12.1.19)
- BTR ASSY (PL8.1.21)
- 150 FEEDER ASSY (PL5.1.1)
- PWBA ESS (PL12.1.13)
- 550 FEEDER ASSY (PL7.1.10)
Step Check
Yes
No
1
Checking the paper condition Have new, dry and rec-
ommended paper on. Re-print the problem image.
Does the problem still occur?
Go to step 2.
End of work
2
Checking EP CARTRIDGE Install a new EP CAR-
TRIDGE. Re-print the problem image. Does the prob-
lem still occur?
Go to step 3.
End of work
3
Checking the image development process Operate Test
Print, and turn off the power of the printer while printing.
Remove the EP CARTRIDGE with care, and check the
toner image formed on the drum, right before the tran-
scribe part (BTR). Is the image on the drum completely
formed? Is the area clear and black, and easily read?
Go to step 4.
Go to FIP1.41
HVPS/MCU.
4
Checking the image transcribe process Check the toner
image formed on the drum, right after the transcribe
part (BTR). Is the toner image on the drum completely
transcribed on the paper?
Go to step 5.
Replace BTR
ASSY. (RRP8.10)
5
Checking Heat Roll and Pressure Roll Remove FUSER
ASSY. (RRP8.8) Warning; Start the operation after the
FUSER ASSY have cooled down. Turn the Gear HR
with a finger, and check the Heat Roll and Pressure
Roll. Are the Heat Roll and Pressure Roll damaged or
stained?
Go to step [ESS
and possible
causes].
Replace FUSER
ASSY. (RRP8.8)
