Oki MC361, Руководство по обслуживанию и устранению неисправностей

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Light Prints in Only One Color
Only one color; yellow, magenta, cyan, or black, is too light on the printed image.
Initial Actions to Perform
■ Perform Initial Actions from Maintenance Procedures in Chapter 1 .
■ Print the ID Check Pattern (Setting - Reports – Print – ID Check Pattern) and
Demo page (Setting - Reports – System – Demo Page)
■ Perform isolation Test Prints (Section 2.8.3).
■ Check that the Toner Cartridge pull strip is completely removed from the affected color.
■ Run the Density Adjustment Test in Section 2.8.5.
Areas of the Printer that Apply
■ Imaging Unit
■ LED Head
■ Transfer Unit
■ HVPS
■ PU Board
Troubleshooting Steps Resolution
1. Verify all packaging material has been removed form the toner cartridges Yes – Go to Step 2
No - Remove packing material
2. Print the 100% Solid Fill test print. Can the problem be isolated to one primary color? Yes – Go to Step 3
3. Remove the Toner Cartridge and check for toner starvation in the Imaging Unit. Is there
evidence of toner starvation Yes – Replace the Toner Cartridge
No - Go to Step 4
4. Remove the Imaging Units and the Transfer Unit and check for toner contamination on the
high voltage contacts. Are the contacts contaminated? Yes – Clean the contacts
No - Go to Step 5
5. Are the LED Heads dirty? Clean the heads with a clean, lint-free cloth. Did this correct the
problem? Yes – Complete
No - Go to Step 6
6. Swap the LED Head of the problem color with any other LED Head.
Print a Solid Fill Test Pattern. Has the problem moved with the LED Head? Yes – Replace the LED Head
No - Go to Step 7
7. Are the wiring harnesses on the LED Heads undamaged, properly routed and seated? Yes – Reseat the wiring Harnesses
No - Replace in the following order:
Transfer Unit / LVPS / CUPU Board
Blank Prints
Initial Actions to Perform
■ Perform Initial Actions from Maintenance Procedures in Chapter 1 .
■ Perform isolation Test Prints (Section 2.8.3) to isolate the problem between the CU
Board and the PU Board.
Areas of the Printer that Apply
■ Imaging Unit
■ LED Head
■ PU Board