Sharp AR-280 Service Manual page 58

Desk Unit Output
DM
DLUM1
DLUM2
DLUM3
DPFS1
DPFS2
DPFS3
DPFC1
DPFC2
DPFC3
DTRC
The LCC unit lit motor continues lifting up and falling down
Note
5
5 - 1 Purpose Operation test/check
Function Used to check the operation of the display, LCD in the operation panel, and control circuit.
(Purpose)
Section Operation (Display/Operation key)
Item Operation
Operation/ The LCD shows the following message.
(The contrast changes in the sequence of Current level → MAX → MIN → Current level → MAX → MIN in every
Procedure
2sec.)
Transport motor
Lift up motor 1
Lift up motor 2
Lift up motor 3
Paper feed solenoid 1
Paper feed solenoid 2
Paper feed solenoid 3
Paper feed clutch 1
Paper feed clutch 2
Paper feed clutch 3
Transport clutch
8 – 13
Lcc Unit Output
LLED Dorr open LED
LPFC Paper feed clutch
LPFS Paper feed solenoid
LPFM Transport motor
LLM Lift motor
AR-405
1/21/1999