Fip- 1.P6 Vertical Stripes - Oki B6500 Service Manual

FIP- 1.P6 Vertical 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.
Step
Check the paper transfer course.
Check if there are any stains or obstacles on the paper
1 transfer course between the paper feeding entrance
and the exit.
Are there any obstacles on the paper transfer course?
Checking the laser beam course
Make sure there is no obstacle between ROS ASSY
2 and Drum.
Are there any obstacles on the laser beam course?
Check if any stains on ROS ASSY window.
Checking EP CARTRIDGE
Install a new EP CARTRIDGE.
3
Carry out a test printing.
Have the vertical black stripes gone?
Checking BTR ASSY Remove BTR ASSY. (RRP8.10)
4 Check if any stains and/or wear on BTR ASSY.
Are there any stains and/or wear on BTR?
Checking ROS ASSY
5
Are the connectors on ROS ASSY surely connected?
Checking Heat Roll and Pressure Roll Remove FUSER
ASSY. (RRP8.8)
Warning; Start the operation after the FUSER ASSY
have cooled down.
6
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?
Print defect
There are vertical 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)
- ROS ASSY (PL8.1.1)
- PWBA ESS (PL12.1.13)
- 550 FEEDER ASSY (PL7.1.10)
Check
1 – 122
Chapter 1 Troubleshooting
Yes
Remove the obsta-
cles or stains from
Go to step 2.
the paper transfer
Remove all the
obstacles from the
Go to step 3. laser beam course
and/or clean ROS
ASSY window.
End of work Go to step 4.
Replace BTR
Go to step 5.
ASSY. (RRP8.10)
Reconnect the con-
Go to step 6.
Go to FIP1.42 Replace FUSER
Electrical Noise. ASSY. (RRP8.8)
No
course.
nectors.