7Poor fusing

•Is paper of the specified grade being used?

• No

▼

• Yes

• No

▼

• Yes

• No

▼

• Yes

Use paper of the specified grade.

Is the spring of the back-up roller normal?

Replace the spring.

Is the contact of the fusing unit assy in proper contact with the contact assy (see Fig. 6-4 G )?

Adjust the contact of the fusing unit assy to make a proper contact with the contact assembly.

Replace the fusing unit assy.

•Has the problem been removed?

•Yes End

 

Note: After replacing the fusing unit assy, set the printer in the engine mainte-

 

nance mode by turning the power on while pressing the FORM FEED and

 

ENTER keys, and reset the fuser counter (see 4.1).

▼

Replace the Main Control PCB or power supply board.

• No

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Image 142
Oki 6ex, 6E specifications