Sharp AR-280 Service Manual page 115

AR-405
50 - 12 Purpose Adjustment
Function Used to adjust the print image center position. (Adjustment can be made for each document mode.)
(Purpose)
Section ICU
Item Picture quality
Operation/ 1. Select the adjustment item (paper feed section) with [↑], [↓] keys.
Procedure
2. Enter the adjustment value with the 10-key.
3. Press the [OK] key to set the adjustment value entered in procedure 1.
When the set value is increased, shift is made forward. When decreased, backward.
When the set value is changed by 1, the shift is changed by about 0.1mm.
Default: 50
Note
51
51 - 1 Purpose Adjustment
Function Used to adjust the OPC drum separation pawl ON timing.
(Purpose)
Section Image process
(Photoconductor/Developping/Transfer/Cleaning)
Item Operation
Operation/ 1. Enter the adjustment value with the 10-key.
Procedure
2. Press the [OK] key. (The value entered in procedure 1 is set.)
Time interval from the resist roller clutch (RRC) ON timing to the OPC drum separation pawl drive solenoid (PSPS) ON.
When the set value is increased, the timing is delayed. When the set value is changed by 1, the timing is changed by
about 1.0msec.
(Default 310)
Note
1/21/1999
Image position
8 – 70