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Chapter 1 Troubleshooting
FIP- 1.P7 Horizontal stripes
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 horizontal black stripes along the paper.
ESS and possible causes
- EP CARTRIDGE
- HVPS/MCU (PL12.1.19)
- GUIDE ASSY CRU R (PL8.1.25)
- BTR ASSY (PL8.1.21)
- 150 FEEDER ASSY (PL5.1.1)
- MAIN MOTOR (PL11.1.2)
- GEAR ASSY HOUSING (PL11.1.3)
- ROS ASSY (PL8.1.1)
- PWBA ESS (PL12.1.13)
- LVPS (PL12.1.5)
- 550 FEEDER ASSY (PL7.1.10)
Step Check
Yes
No
1
Checking EP CARTRIDGE
Install a new EP CARTRIDGE.
Re-print the problem image.
Have the horizontal black stripes gone?
End of work.
Go to step 2
2
Checking ROS ASSY
Are the connectors on ROS ASSY surely connected?
Is the ROS ASSY surely secured to the frame?
Go to step 3.
Reconnect the con-
nectors and/or rein-
stall the ROS
ASSY.
3
Checking Drive Assy and GEAR ASSY HOUSING
Replace Drive Assy and GEAR ASSY HOUSING.
(RRP11.3)
Re-print the problem image.
Does the problem still occur?
Go to step 4.
End of work
4
Checking GUIDE ASSU CRU R for continuity
Remove EP CARTRIDGE.
Check if there are any deformation or stains on the
plate of GUIDE ASSY CRU R.
Check the continuity of the plate of GUIDE ASSY CRU
R.
Are there any deformation or stains on the plate of
GUIDE ASSY CRU R, and does it continuous?
Go to step 5.
Replace GUIDE
ASSY CRU R.
(RRP8.13)
5
Checking connection of GUIDE ASY CRU R
Check the contact of the plate of GUIDE ASSY CRU R
with the terminal on HVPS/MCU.
Does the plate of GUIDE ASSY CRU R correctly con-
tact with the terminal on HVPS/MCU?
Go to step 6.
Replace GUIDE
ASSY CRU R.
(RRP8.13)
