Olivetti d-Copia 300 Service Manual page 132

Maintenance
item No.
U109 Displaying the drum type
Description
Displays the drum surface potential set as EEPROM of the drum unit.
Purpose
To check the drum surface potential.
Method
Press the start key.
* Drum surface potential (V) is displayed.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
U110 Checking/clearing the drum count
Description
Displays the drum counts for checking, clearing or changing the figure, which is used as a reference when
correcting the main charger potential output.
Purpose
To check the drum status. Also used to clear the count after replacing the drum during regular maintenance.
Since the count was cleared before shipping, do not clear it when installing.
Method
Press the start key. The drum counter count is displayed.
Clearing
1. Press the reset key.
2. Press the start key. The count is cleared, and the screen for selecting a maintenance item No. is displayed.
Setting
1. Enter a six-digit count using the numeric keys.
2. Press the start key. The count is set, and the screen for selecting a maintenance item No. is displayed.
Completion
To exit the maintenance mode without changing the count, press the stop/clear key. The screen for selecting a
maintenance item No. is displayed.
Description
2FD/2FF/2FG
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