Download MB460/470/480

Oki Data CONFIDENTIAL
In case of error printing
• Does the contact plate of transfer roller contact power/sensor board properly. (See Fig 7.5.25)
• No
Adjust the contact plate to contact power/sensor board and transfer roller shaft
properly.
• Yes
Replace transfer roller.
• Has the problem been solved?
• Yes
• No
Completed
Is LED Head installed properly? (Check the HEAD connector of main board and PC
connector of LED Head.)
• No
• Yes
Install LED Head properly.
Replace LED Head or Head cable.
• Has the problem been solved?
• Yes
• No
Completed
Replace the Main board or High voltage power/sensor board.
In case of inefficient fusing (If touch by hand the character or image that are printed on paper will
be faded or unstuck.)
• Is the specified paper used?
• No
Use the specified paper.
• Yes
Is the tension of Back up roller (7.52kg) and the surface of Back up roller normal?
• No
• Yes
Replace Back up roller or bias spring.
Dose the contact point of Fuser Assy contact the contact assembly properly. (See Fig
7.5.24 )
Adjust the contact point of Fuser Assy to contact the contact assembly properly.
• No
• Yes
Replace Fuser Assy.
• Has the problem been solved?
• Yes
• No
44306601TH Rev. 2
Completed
Replace Main board or High voltage power/sensor board.
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