Specifications

19
MAIN ERASE LAMP
19-1. Main Erase Lamp
•
Main Erase Lamp LA2 neutralizes any surface potential remaining on the
surface of the PC Drum after cleaning.
•
It consists of nine incandescent tungsten-filament lamps connected in a
series inside a glass tube.
Main Erase Lamp LA2
1075M092AA
19-2. Main Erase Lamp LA2 ON/OFF Control
•
LA2 is turned ON and OFF by the signal output from pin 93 of IC4A on
Master Board PWB-A.
•
The signal input via LA2 to pin 56 of IC5A as the LA2 ON signal is output
from pin 93 of IC4A is used to determine whether LA2 is properly ON. (If
any unusual condition is detected, a malfunction code of C0E00 is shown
on the Touch Panel.
<LA2 ON Timing>
LA2 turns ON approx. 350 msec. after PC Drum Drive Motor M5 has been
energized (p. M-26).
<LA2 OFF Timing>
LA2 turns OFF approx. 1,250 msec. after Scanner Control Processor Board
PWB-J has output a SCEND signal.
Main Erase Lamp LA2
1075M093AA
M-160