Read Sharp AR-505 (serv.man9) Service Manual online
During the operation of the load, the [EXECUTE] key is high-
lighted. If the [EXECUTE] key is pressed while it is highlighted, the
operation is stopped.
lighted. If the [EXECUTE] key is pressed while it is highlighted, the
operation is stopped.
Desk Unit Output
DM
Transport motor
DLUM1
Lift up motor 1
DLUM2
Lift up motor 2
DLUM3
Lift up motor 3
DPFS1
Paper feed solenoid 1
DPFS2
Paper feed solenoid 2
DPFS3
Paper feed solenoid 3
DPFC1
Paper feed clutch 1
DPFC2
Paper feed clutch 2
DPFC3
Paper feed clutch 3
DTRC
Transport clutch
Lcc Unit Output
LLED
Dorr open LED
LPFC
Paper feed clutch
LPFS
Paper feed solenoid
LPFM
Transport motor
LLM
Lift motor
The LCC unit lit motor continues lifting up and falling down
5
5 - 1
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the operation of the display, LCD in the
operation panel, and control circuit.
operation panel, and control circuit.
Section
Operation
(Display/Operation key)
(Display/Operation key)
Item
Operation
Operation/
Procedure
Procedure
The LCD shows the following message.
(The contrast changes in the sequence of Current level
(The contrast changes in the sequence of Current level
®
MAX
®
MIN
®
Current level
®
MAX
®
MIN in
every 2sec.)
During that period, each LED is lighted for 2sec.
¯
2.0sec.
5 - 2
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the operation of the heater lamp and the
control circuit.
control circuit.
Section
Fixing (Fusing)
Item
Operation
Operation/
Procedure
Procedure
1. Select the lamp to be checked with the key.
2. Press the [EXECUTE] key.
The selected heater lamp repeats ON/OFF in the
frequency of 500msec 5 times.
frequency of 500msec 5 times.
Then the [EXECUTE] key returns to the original dis-
play.
play.
When the [EXECUTE] key is pressed during
ON/OFF operation of the heater lamp, the heater
lamp is turned OFF and the [EXECUTE] key returns
to the original display.
ON/OFF operation of the heater lamp, the heater
lamp is turned OFF and the [EXECUTE] key returns
to the original display.
HL1 (LEFT): This lamp is on the left when viewed from the front
and it heats the center of the lamp.
HL2 (RIGHT): This lamp is on the right when viewed from the
front and it heats both ends of the lamp.
5 - 3
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the operation of the copy lamp and the
control circuit.
control circuit.
AR-505
7 – 11
8/6/1999
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