PHOTOCONDUCTOR UNIT (PCU)
26 July 2002
6-34
6.7.2 CHARGE CORONA UNIT
Power Supply
[A]: High voltage supply
[B]: Charge corona unit
[C]: Harness
High voltage supply [A]
"
Harness [C]
"
Charge corona unit [B] (negative charge)
(
☛
!
Photocopying Processes – Charge – Corona Charge – Scorotron Method)
Grid and Wire Cleaning
[A]: Motor
[B]: Screw
[C]: Wire cleaner
[D]: Corona wire
[E]: Grid
The motor [A] drives the bottom screw [B], which moves the wire cleaner [C]
forward or backward. The cleaner cleans the grid [E] and corona wire [D].
The cleaning feature is activated after 600 development counts (default), at the end
of the job. However, if 1000 counts is reached in the middle of a job, the printing
process is interrupted and the wire is cleaned. The counter counts up as shown in
the table.
Black & White
Color
A4 (LT) LEF (or smaller)
1 count
4 counts
Others
2 counts
8 counts
NOTE:
1) The counter always increases as shown in the table. These values are
not adjustable.
2) To set the counter, use SP2-801 (
☛
5.2.2).
B051D311.WMF
B051D310.WMF
[A]
[B]
[C]
[A]
[C]
[B]
[D]
[E]
