CHAPTER 4
Action: Remove the foreign materials.
5.The upper fixing roller surface is damaged or dented. Action: Replace the upper fixing roller.
6.The mirror in the laser/scanner unit is dirty. Action: Replace the laser/scanner unit.
II-12. White horizontal lines
<Possible causes>
1.Horizontal scar(s) on the photosensitive drum Action: Replace the cartridge.
2.Upper fixing roller is defective.
Action: Replace the upper fixing roller.
II-13. Poor fixing
<Possible causes>
1.The envelope position lever of the fixing unit is raised. Action: Push down the lever.
2.The nip width of the fixing unit is not correct. Action: Replace the fixing unit.
3.The fixing roller surface is damaged or dented. Action: Replace the roller.
4.The lower fixing roller is dirty.
Action: Clean the roller. If it cannot be cleaned, replace the roller.
5.The thermistor has deteriorated. Action: Replace the thermistor.
II-14. Image distortion
<Possible causes>
1.Connectors on the DC controller PCB are loose.
Action: Reconnect the J202, J206, and J207 connectors properly.
2.The laser/scanner unit connectors are loose. Action: Reconnect J1001, J1 and J6.
3.The laser/scanner unit is faulty. Action: Replace the laser/scanner unit.
4.The DC controller PCB is defective. Action: Replace the DC controller PCB.
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