Specifications

<Control>
•
The PC Drum Charge corona wires are automatically cleaned under the
following conditions. The cleaning function is, however, disabled if the
"Charge Wire Cleaning" function of "System Input" available from the Tech.
Rep. mode has been set to "Off".
(1) A period of 200 msec. has elapsed after Power Switch S1 has been
turned ON.
(2) The number of copies made exceeds 2,000 after S1 has been turned ON
and 10 minutes elapse after the last copy cycle has been completed (the
same timing as the auto clear when paper is empty).
(3) A PC Drum Charge Corona malfunction (C0200), which has been
detected, is reset.
(4) A misfeed/malfunction, which has been detected, is reset with a sheet of
paper remaining at the area near the Image Transfer/Paper Separator
Corona.
•
No control panel indication is given for the cleaning cycle and the copier
accepts the press of the Start Key, though it only feeds the paper up to the
Synchronizing Rollers and starts the scan after the cleaning cycle is
completed.
•
If the timing arrives for the timer power OFF function during a cleaning
cycle, the copier is turned OFF after the current cleaning cycle is
completed.
•
M21 is energized and deenergized by a signal output from pin 63 of IC4A
on PWB-A and fed via PC Drum Charge Wire Cleaning Motor Drive Board
PWB-P1.
•
The Cleaner is detected at its standby position when the light blocking plate
of the Cleaner blocks Drum Wire Cleaner Home Position Sensor PC54.
•
When the above conditions for auto wire cleaning are met, the cleaning
sequence is carried out at the following timing.
OFF
IC4A-63
M21
1075T95MCA
PC54
Cleaning Conditions Met
12sec
200msec
115msec
OFF
Turning Forward
Turning Backward
Unblocked Blocked
1075C04MAA
M-32