Sharp MX-M550U Service Manual page 110

9-2
Purpose Operation test/Check
Function (Purpose) Used to check the operations of the sen-
sors and detectors in the duplex section
and its control circuit.
Section Duplex
Operation/Procedure
The sensor and detector operation conditions are displayed.
The active sensors and detectors are highlighted.
DSW_ADU ADU cabinet open/close detection
AINPD ADU paper entry detection
APPD1 ADU transport detection 1
APPD2 ADU transport detection 2
SIMULATION 9-2
ADU SENSOR CHECK.
DSW_ADU AINPD APPD1
10
10-1
Purpose Operation test/Check
Function (Purpose) Used to check the operations of the toner
motor and the related circuit.
Section Process (Developing)
Operation/Procedure
1) Select the number corresponding to the target of operation
check with 10-key.
2) Press the [START] key.
The load selected in procedure 1) is operated for 10sec.
The operation can be stopped with the [SYSTEM SETTINGS] key.
NOTE: Do not execute this simulation with toner in the toner bottle
and the intermediate toner tank. Excessive toner may enter
the developing section, causing overtoner. Check that
there is no toner in the toner bottle and the intermediate
toner tank or disassemble the toner motor before executing
this simulation.
TM1 Toner motor 1
TM2 Toner motor 2
SIMULATION 10-1
TONER MOTOR ACTIVATION. SELECT 1-2, AND PRESS START
1. TM1
2. TM2
APPD2
1
MX-M700N SIMULATION 7 – 16
10-2
Purpose Operation test/Check
Function (Purpose) Used to check the operations of the toner
remaining quantity sensor and the related
circuit.
Section Process (Developing)
Operation/Procedure
1) Press the [START] key.
The toner motor rotates 2 turns, and the toner presence/empty
in the toner hopper is displayed.
Toner empty: Normal display
Toner remained: Highlighted display
SIMULATION 10-2
TONER REST SENSOR CHECK. PRESS START.
TFSD
13
13-0
Purpose Clear/Cancel (Trouble etc.)
Function (Purpose) Used to cancel the self-diag "U1" trouble.
(Only when FAX is installed.)
Section FAX
Operation/Procedure
1) Select 1 (YES) with 10-key.
2) Press [START] key. (The trouble display is canceled.)
1 YES After canceling U1 trouble, the machine returns to the
main code entry standby mode.
2 NO Without canceling U1 trouble, the machine returns to
the main code entry standby mode.
SIMULATION 13
U1 TROUBLE CANCELLATION.
ARE YOU SURE?
1. YES
2. NO
14
14-0
Purpose Clear/Cancel (Trouble etc.)
Function (Purpose) Used to cancel excluding the self-diag U1/
LCC/U2/PF troubles.
Section Trouble
Operation/Procedure
1) Select 1 (YES) with 10-key.
2) Press [START] key. (The trouble display is canceled.)
1 YES After canceling the trouble other than U1, U2, PF, and
LCC, the machine returns to the main code entry
standby mode.
2 NO Without canceling the trouble, the machine returns to
the main code entry standby mode.
1