AL-840 (serv.man7). AL800 840 Service Manual-Simulation codes - Sharp Copying Equipment Service Manual (repair manual). Page 4

Code

Function (Purpose)

Purpose

Section

Item

Main

Sub

6

Used to set the destination.

Setting

Specifications

7

Used to check the machine (hardware)
specifications.

Operation data
output/Check
(Display/Print)

PCU

Specifications

Operation
mode
(Common)

20

Used to set the rear void area YES/NO.

Setting

Specifications

Operation
mode
(Common)

26

Used to set the power save mode
YES/NO.

Setting

Specifications

Operation
mode
(Common)

30

Used to set the CE mark conforming
operation mode. (For prevention against
flicker when driving the fusing heater
lamp)

Setting

Fixing (Fusing)

Specifications

Operation
mode
(Common)

38

Used to set the photoconductor drum
operation inhibit YES/NO when the life is
reached.

Setting

Specifications

Operation
mode
(Common)

39

Used to set MCU memory YES/NO.

Setting

PCU

Specifications

Operation
mode
(Common)

40

Used to set the scanner (writing) motor
OFF timing.

Setting

Laser (Exposure)

Specifications

Operation
mode
(Common)

1

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.

Operation test/check

Operation

1

Used to set the fusing temperature.

Setting

Fixing (Fusing)

Operation

4

Used to set the fusing temperature after
20th sheet in the multi print mode.

Setting

Fixing (Fusing)

Operation

1

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.

Adjustment

Picture quality

Density

1

Used to adjust the coy magnification ratio
(in the main scanning direction and the
sub scanning direction).

Adjustment

Picture quality

1

Used to adjust the copy image position o
the print paper in the copy mode and to
adjust the void area (image loss).

Adjustment

Picture quality

10

Used to adjust the main scanning
direction print image position. (Main
scanning direction void area adjustment)

Adjustment

ICU

Picture quality

3

Used to check the operation of the
scanner (writing) section.

Operation test/check

Laser (Exposure)

Operation

1

Used to check the result of shading
correction. (The shading correction data
is displayed.)

Operation data
output/Check
(Display/Print)

Optical (Image
scanning)

Operation

2

Used to check the result of shading
correction (dark component). (The
shading correction (dark component) data
is displayed.)

Operation data
output/Check
(Display/Print)

Optical (Image
scanning)

Operation

1

Used to check the operation (self print
operation) of the printer section.

Operation test/check

Printer

Operation

2

Used to set the scanner (reading)
section’s operation ENABLE/DISABLE. In
case of a breakdown of the scanner
(reading) section, if this simulation is set
to DISABLE, the machine can be used
only as a printer.

Operation data
output/Check
(Display/Print)

Optical (Image
scanning)

Operation

b. Usage

Purpose

Section

Item

Function (Purpose)

Code

Main

Sub

Adjustment

Picture quality

Used to adjust the coy magnification ratio
(in the main scanning direction and the
sub scanning direction).

48

1

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