Blank Prints - Oki C9800 Series Service & Troubleshooting Manual

Blank Prints

Initial Actions
Perform Initial Actions from
Run a test print
Engine Control Board.
Areas of the Printer that Apply to Blank Prints
1. Print a 100% Solid Fill Test Print from the printer's Control Panel. Is the entire
test print blank?
2. Remove the Toner Cartridge and check for toner starvation inside the Imaging
Unit. Is there evidence of toner starvation?
3. Are the LED Heads dirty? Clean the heads with a clean, lint-free cloth. Did this
correct the problem?
4. Are the wiring harnesses on the LED Heads undamaged, properly routed and
seated?
5. Inspect the high-voltage wiring harness. Reseat the wiring Harness. Did this
correct the problem?
Print Quality Troubleshooting Practices
to help isolate the problem between the Fiery Control Board and the
Imaging Unit
LED Head
Engine Control Board
Troubleshooting Steps Resolution
Yes – Go to Step 2
No - Have the customer check
there application and
settings.
Yes – Replace the
Cartridge.
No - Go to Step 3
Yes – Complete
No - Go to Step 4
Yes – Repair /
Harnesses
No - Go to Step 5
Yes – Complete
No - Replace in the following
order: Transfer Unit / LVPS /
Imaging Unit Sensor Board /
HVPS / Engine Control PCB
printer
Toner
Replace