美能達5501/6501報錯代碼C-2811，C2811解決方法
Cause
Gamma correction abnormality, the drum potential sensor (5501/6501) TCR sensor (6000/7000) for yellow (C-2811), magenta (C-2812), cyan (C-2813) or black (C-2814) may have a film of toner dust on it affecting sensitivity
Resolution
Clean the drum potential sensor as per the error code and then follow the procedure for running toner density revert and gamma correction.
Toner Density Revert
1. Power the machine OFF from the main switch leaving the sub switch ON.
2. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode.
3. -02 Select process adj
4. -02 Select drum peculiarity
5. -06 Select toner density revert - run that routine.
for 5500/6500 - should be under sensor output check - density return mode
max density sensor
6. Press the [Return] key, which is displayed on the touchscreen.
7. Exit Service mode to return to normal operation
Gamma Automatic Adjustment
1. Power the machine OFF from the main switch leaving the sub switch ON.
2. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode.
3. -02 process adjustment
4. -06 recall standard data
5. -02 drum peculiarity
6. -06 toner revert all on
7. -02 gamma automatic adjust (wait for procedure to complete)
Exit out of service mode and go into adjustment at the bottom of the screen.
1. -03 execute adjust operation
2. Select toner refresh mode press ok. 蘇州美能達打印機維修站電話696l6769，企業(yè)一站式服務(wù)，上門維修，耗材配送