■ Misformed image
Image is misformed
Cause
Solution
1) Poor contact exists to the connectors on the Laser Scanner Unit Reconnect the connectors: J801, J802.
2) Poor contact exists to the connectors on the DC Controller
Reconnect the connectors: J3, J7.
3) The Laser Scanner Unit is defective
Replace the Laser Scanner Unit.
4) The High-Voltage Power Supply is defective
Replace the Engine Controller.
■ Repetitive image defects ruler
Component
Distance between
defects (mm)
Image defects
Dirt
Dropouts
Dirt on back
Loose toner
Registration Slave
Roller
About43
Yes
Yes
Primary Charging
Roller
About38
Yes
Yes
Photosensitive Drum
About75
Yes
Yes
Developing Roller
About42
Yes
Yes
Transfer Roller
About39
Yes
Yes
Fixing Film Unit unit
About57
Yes
Yes
Yes
Pressure Roller
About63
Yes
Yes
5. Troubleshooting
119
Содержание LBP253 SM
Страница 1: ...Revision 1 0 LBP253 SM ...
Страница 11: ...Product Overview 1 Product Lineups 5 Features 6 Product Specifications 7 List of Parts 10 Operation 12 ...
Страница 69: ...Periodical Service 3 Periodically Replaced Parts 63 Consumable Parts 64 Periodical Service 65 Cleaning 66 ...
Страница 109: ...3 Press Release Button and open Front Cover Unit 1 Remove Multi purpose Separation Pad 2 2 1 4 Disassembly Assembly 102 ...
Страница 110: ...Troubleshooting 5 Trouble Shooting 104 Version Upgrade 108 Corrective Actions 114 Debug Log 120 ...
Страница 117: ...4 Click Next button 5 Select USB Device and click Next button 5 Troubleshooting 110 ...
Страница 118: ...6 Click Start button 7 Click Yes button for the warning message to start download Start download 5 Troubleshooting 111 ...
Страница 129: ...Error Jam Alarm 6 Error Codes 123 ...
Страница 135: ...Service Mode 7 Service Mode 129 ...