Sharp AR-285 (serv.man12) Service Manual ▷ View online
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.
Section
Operation (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 12sec.
↓
2.0sec.
Note
8 – 39
5 - 2
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the operation of the heater lamp and the 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.
Then the [EXECUTE] key returns to the original display.
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.
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.
HL2 (RIGHT): This lamp is on the right when viewed from the front and it heats both ends of the lamp.
Note
5 - 3
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the oepration of the copy lamp and the control circuit.
Section
Optical (Image scanning)
Item
Operation
Operation/
Procedure
Procedure
When the [EXECUTE] key is pressed, the copy lamp is lighted for 10 sec.
While the copy lamp is lighted, the [EXECUTE] key is highlighted. If the [EXECUTE] key is pressed under this
state, the lamp is turned OFF.
After 10 sec, the copy lamp is turned OFF. At that time, the [EXECUTE] key returns to the normal display.
While the copy lamp is lighted, the [EXECUTE] key is highlighted. If the [EXECUTE] key is pressed under this
state, the lamp is turned OFF.
After 10 sec, the copy lamp is turned OFF. At that time, the [EXECUTE] key returns to the normal display.
Note
8 – 40
5 - 4
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the operation of the discharge lamp and the control circuit.
Section
Image process
(Photoconductor/Developping/Transfer/Cleaning)
(Photoconductor/Developping/Transfer/Cleaning)
Others
Item
Operation
Operation/
Procedure
Procedure
When the [EXECUTE] key is pressed, the key is highlighted and the discharge lamp is lighted.
After 30 sec of lighting, the lamp is turned OFF and the [EXECUTE] key returns to the normal display.
If the [EXECUTE] key is pressed while the lamp is lighted, the lamp is turned OFF and the [EXECUTE] key
returns to the normal display.
After 30 sec of lighting, the lamp is turned OFF and the [EXECUTE] key returns to the normal display.
If the [EXECUTE] key is pressed while the lamp is lighted, the lamp is turned OFF and the [EXECUTE] key
returns to the normal display.
Note
6
6 - 1
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the oepration of the loads (clutches and solenoids) in the paper transport system and the control
circuit.
circuit.
Section
Paper transport (Discharge/Switchback/Transport)
Item
Operation
Operation/
Procedure
Procedure
1. The names of the loads which can be operated are displayed.
Select the load to be checked with the key, and the selected load is highlighted.
2. Press the [EXECUTE] key.
The selected load starts the operation.
During the operation of the load, the [EXECUTE] key is highlighted.
If the [EXECUTE] key is pressed while it is highlighted, the operation is stopped.
During the operation of the load, the [EXECUTE] key is highlighted.
If the [EXECUTE] key is pressed while it is highlighted, the operation is stopped.
CPFC1
Upper cassette paper feed clutch
CPFS1
Upper cassette paper feed solenoid
LUM1
Lower cassette lift up motor
CPFC2
Lower cassette paper feed clutch
CPFS2
Lower cassette paper feed solenoid
MPFC
Manual paper feed clutch
MPFS
Manual paper feed solenoid
MSS
Manual paper entry gate solenoid
TRC1H
Transport clutch 1 high speed
TRC1L
Transport clutch 1 low speed
MTRC
Transport clutch low speed
TRC2
Transport clutch 2 high speed
RRC
Resist roller clutch
OGS
Paper exit gate solenoid
DSBS
Duplex unit paper entry switchback gate solenoid
PSPS
Separation pawl operation solenoid
SBM FW
Switchback motor forward rotation
SBM RV
Switchback motor reverse rotation
8 – 41
Note
6 - 2
Purpose
Operation test/check
Function
(Purpose)
(Purpose)
Used to check the operation of each fan motor and its control circuit.
Section
Others
Item
Operation
Operation/
Procedure
Procedure
1. The names of the loads which can be operated are displayed.
Select the load to be checked with the key, and the selected load is highlighted.
2. Press the [EXECUTE] key.
The key is highlighted and the selected fan motor is rotated.
If the [EXECUTE] key is pressed while the fan motor is rotating, the [EXECUTE] key returns to the normal display and
the fan motor is stopped. To operate or stop each fan motor, press the key of the fan motor.
However, [CFM Low] key and [CFM High] key cannot be pressed ON simultaneously.
the fan motor is stopped. To operate or stop each fan motor, press the key of the fan motor.
However, [CFM Low] key and [CFM High] key cannot be pressed ON simultaneously.
Note
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