Service manual

Main code Sub code Contents
8 1 Developing bias check
(Operation/Procedure)
When the START key is pressed, the developing bias is outputted for 30 sec.
2 Main charger (Grid high output mode) check
(Operation/Procedure)
When the START key is pressed, the main charger output is supplied for 30 sec in the grid voltage HIGH mode.
3 Grid voltage (Grid low output mode) check
(Operation/Procedure)
When the START key is pressed, the main charger output is supplied for 30 sec in the grid voltage LOW mode.
6 Transfer charger check
(Operation/Procedure)
When the START key is pressed, the transfer charger output is supplied for 30 sec.
10 - Toner motor operation check
(Operation/Procedure)
When the START key is pressed, the toner motor output is supplied for 30 sec.
14 - Cancel of trouble other than U2
(Operation/Procedure)
After canceling the trouble, the simulation is also automatically canceled.
16 - Cancel of U2 trouble
(Operation/Procedure)
1. When the START key is pressed, the EEPROM total counter check sum is rewritten and the trouble is canceled.
2. After canceling the trouble, the simulation is also automatically canceled.
22 5 Total counter value display
(Operation/Procedure)
The total counter value is divided into two 3-digit sections and displayed on the copy quantity display repeatedly.
Example of display In the case of 12345
012 → Blank → 345 → Blank → 012
0.7s 0.3s 0.7s 1.0s 0.3s
12 Drum counter value display
(Operation/Procedure)
The installed drum counter value is divided into two 3-digit sections and displayed on the copy quantity display repeatedly.
* The display method is same as the total counter value display.
14 P-ROM version display
(Operation/Procedure)
The P-ROM version is displayed in 3 digits on the copy quantity display.
21 Scanner counter value display
The installed scanner counter value is divided into two 3-digit sections and displayed on the copy quantity display
repeatedly.
* The display method is same as the total counter value display.
AL-1000/1010
10-4