AL-840 (serv.man7). AL800 840 Service Manual-Simulation codes - Sharp Copying Equipment Service Manual (repair manual). Page 5

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Purpose
Section
Item
Function (Purpose)
Code
Main
Sub
Adjustment
Picture quality
Used to adjust the copy image position o
the print paper in the copy mode and to
adjust the void area (image loss).
50
1
Picture quality
Density
Used to adjust the copy density.
(The print density in each mode and the
overall print density (overall setting of the
specified density gradient) can be
adjusted.
46
1
ICU
Picture quality
Used to adjust the main scanning
direction print image position. (Main
scanning direction void area adjustment)
50
10
Adjustment/Operation
test/check
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to adjust and check the operation
of the developing bias voltage, the main
charger voltage, and the transfer charger
voltage, and their control circuit.
8
2
Setting
Specifications
Used to set the destination.
26
6
Specifications
Operation
mode
(Common)
Used to set the rear void area YES/NO.
20
Specifications
Operation
mode
(Common)
Used to set the power save mode
YES/NO.
26
Specifications
Operation
mode
(Common)
Used to set the photoconductor drum
operation inhibit YES/NO when the life is
reached.
38
Fixing (Fusing)
Specifications
Operation
mode
(Common)
Used to set the CE mark conforming
operation mode. (For prevention against
flicker when driving the fusing heater
lamp)
30
Fixing (Fusing)
Operation
Used to set the fusing temperature.
43
1
Fixing (Fusing)
Operation
Used to set the fusing temperature after
20th sheet in the multi print mode.
4
Laser (Exposure)
Specifications
Operation
mode
(Common)
Used to set the scanner (writing) motor
OFF timing.
26
40
Operation test/check
Operation
Used to check the operation of the
sensors and detectors in the paper feed
section, the paper transport section, and
the paper exit section and their control
circuit.
30
1
Paper transport
Operation
Used to check the operation of the paper
feed (clutch, solenoid and its control
circuit.
6
1
Optical (Image
scanning)
Operation
Used to check the operation of the
scanner (reading) unit and its control
circuit.
1
1
Optical (Image
scanning)
Operation
Used to check the operation of the copy
lamp and its control circuit.
5
3
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to check the developing bias
voltage, the main charger voltage, and
the transfer charger voltage and the
operation of their control circuit.
8
1
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to check the operation of each
voltage of the main charger and its
control circuit.
3
Operation (Display/
Operation key)
Operation
Used to check the operation of the
operation panel display lamps and the
control circuit.
5
1
Fixing (Fusing)
Operation
Used to check the operation of the
heater lamp and its control circuit. Used
to check the operation of the fan motor
and its control circuit.
2
DRIVE
Operation
Used to check the operation of the main
drive (excluding the scanner (reading)
section) section.
25
1
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