Blank Prints - Oki B6100 Technical Manual

Step
DRUM GROUND
Check the Drum Ground Path:
1
Drum>Drum Shaft Pin >Spring Clip > Frame.
Is the Drum Ground Path complete?
LASER BEAM PATH
Inspect the laser beam path, between the ROS Assy and the
2
Drum, for contamination or obstructions.
Is the laser beam path free of obstacles?
BTR ASSY
3
Inspect the BTR Assy for contamination.
Is the BTR free of contamination?
IMAGE TRANSFER PROCESS FAILURE
Generate a test print and switch OFF printer power halfway
4
through the print cycle.
Remove the CRU and inspect the image on the drum.
Was the image on the drum transferred to the paper?
OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0
PROBLEM
The entire print is blank.
INITIAL ANALYSIS
1. Inspect the following components. Are they compatible with your printer
version, correctly installed, not damaged, deformed, or contaminated?
• CRU
• BTR Assy
• P/H Assy
• Harness Assy Conn (J23-J231)
• PWBA HKB PS
• Fuser Assy
• Harness Assy Fuser (J271, J11, J27, J262)
2. Inspect the printer paper path. Is it clear of foreign matter such as staples,
paper clips, and paper scrap?
Actions and Questions
Primary FIPs:Image Quality Problems

5.2 Blank Prints

• PWBA HVPS
• ROS Assy
• PWBA HKB26 MCU
• Cover Assy Front
Yes No
Go to step 2 Re-establish
the Drum
Ground Path
Go to step 3 Remove
obstructions
or contamina-
tion.
Go to step 4. Replace the
BTR Assy
Go to step 5 Go to 6.19
PWBA HVPS
Failure
5-7