Service manual

1. Relationship between Main and Backup Counters
The following describe the main and backup counters:
1. The main counter is an LCD counter. It can be seen when the front cover
is opened.
2. To display the main counter value on the main counter LCD, open the
front cover and defeat the interlock with the switch actuator. Pressing
the Counter key alternates the display between with the values of
the Bk copy and full color copy counts.
3. Pressing the Counter key on the operation panel also displays the main
counter value on the main (operation panel) LCD.
4. The backup counter is stored in the RAM board installed on the SCU
board.
5. To check the backup counter value, use SP7-3-1 and SP7-3-2.
Counter key
Main counter
Backup counter
(stored on the
RAM board)
SCU board
A166/A187 Copiers
Counter key
Main counter
Backup counter
(stored on the
RAM board)
SCU board
A189 Copier
Replacement
and
Adjustment
OTHERS
SM 5-99 A166/A187/A189
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA