Canon imageRUNNER ADVANCE 8105 Series Service Manual page 824

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EXP-LED
COPIER > ADJUST > EXP-LED
PR-EXP Setting of Pre-exposure LED current
Lv.2 Details To set the current of the Cleaning Pre-exposure LED.
Increase the value when taking a measure for drum ghost.
Decrease the value when potential is not applied well.
- When drum ghost is significant (drum pitch is not correct)
Use case
- When potential is not applied well
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution Do not use this at the normal service.
Display/adj/set range 110 to 233
Unit 0.4 micro A
Default value 213
8
Service Mode > COPIER > ADJUST > EXP-LED
T-8-41
8
Service Mode > COPIER > ADJUST > EXP-LED
8-109
8-109