Sharp AR-280 Service Manual page 66

Note
8 - 7 Purpose Adjustment/Operation test/check
Function Used to check and adjust the operation of the separation charger voltage and its control circuit.
(Purpose)
Section Image process
(Photoconductor/Developing/Transfer/Cleaning)
Item
Operation/ The separation charger output voltage in printing the front and the back of paper can be adjusted and checked.
Procedure
1. Select the print mode with [↑] key and [↓] key.
2. Enter the adjustment value with the 10-key pad.
3. Press the [EXECUTE] key.
The [EXECUTE] key is highlighted, the adjustment value entered in procedure 2 is set, and the voltage corresponding
to the set value is supplied.
After supplying the voltage for 30 sec, the [EXECUTE] key returns to the normal display.
If the [EXECUTE] key is pressed while the voltage is supplied, the voltage output is stopped and the [EXECUTE] key
returns to the normal display.
FROMT MODE
BACK MODE
Default: 90 (DC –140 ±10V)
Note
9
9 - 1 Purpose Operation test/check
Function Used to check the operation of the loads (clutches and solenoids) in the duplex section and the control circuit.
(Purpose)
Section Duplex
Item Operation
Operation/ 1. Select the load to be checked with the key.
Procedure The selected key is highlighted.
2. Press the [EXECUTE] key.
The load selected in procedure 1 is operated.
While the load is operated, the [EXECUTE] key is highlighted.
If the [EXECUTE] key is pressed under this state, the load operation is interrupted.
: Front surface print (with the paper feed tray and manual paper feed tray)
: Back surface print (with duplex paper feed)
8 – 21
Others
AR-405
1/21/1999