Sharp AR-280 Service Manual page 99

9
9 - 1
Purpose Operation test/check
Function Used to check the operation of the loads (clutches and
(Purpose) solenoids) in the duplex section and the control circuit.
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.
DTC1 Duplex unit paper entry transport clutch 1
DTC2 Duplex unit paper entry transport clutch 2
DSCS Duplex unit roller contact solenoid
9 - 2
Purpose Operation test/check
Function Used to check the operation of sensors and detectors
(Purpose) in the duplex section and the control circuit.
Section Duplex
Item Operation
Operation/ The operations of sensors and detectors in the duplex
Procedure section are displayed.
The active sensors and detectors are highlighted.
DSBD Duplex unit paper entry switchback section sensor
DPPD1 Duplex unit paper transport switch 1
DPPD2 Duplex unit paper transport switch 2
DPPD3 Duplex unit paper transport switch 3
DAPD Duplex unit alignment plate home sensor
9 - 4
Purpose Operation test/check
Function Used to check the operation of the duplex unit align-
(Purpose) ment plate and its control circuit.
Section Duplex
Item Operation
Operation/ 1. Select the paper size.
Procedure The selected paper size is highlighted.
2. Press the [EXECUTE] key.
Alignment operation is continuously operated.
During the operation, the [EXECUTE] key is highlighted.
If the [EXECUTE] key is pressed under this state, the operation is in-
terrupted.
10
10 - 0
Purpose Operation test/check
Function Used to check the operation of the toner motor and its
(Purpose) control circuit.
(Note) Do not execute this simulation with toner in the
toner hopper. If executed, excessive toner may
enter the developing section, causing an
overtoner trouble. Be sure to remove the toner
motor from the toner hopper before executing
this simulation.
Section Image process
(Photoconductor/Develop
ing/Transfer/Cleaning)
Item Operation
Operation/ When the [EXECUTE] key is pressed, it is highlighted
Procedure and the toner motor rotates for 10 sec.
After 10sec of rotation, the toner motor stops and the [EXECUTE] key
returns to the normal display.
If the [EXECUTE] key is pressed during rotation, the toner motor is
stopped and the [EXECUTE] key returns to the normal state.
7 – 18
Developer/Toner Hopper
7/13/2000