AL-840 (serv.man7). AL800 840 Service Manual-Simulation codes - Sharp Copying Equipment Service Manual (repair manual). Page 8

Section

Purpose

Item

Function (Purpose)

Code

Main

Sub

Laser (Exposure)

Operation test/check

Operation

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

61

3

Others

Operation test/check

Used to check the warm up time and the
operation of all the units and to make
aging (intermittent operation) with
copying. Each section can be checked
during copying.

7

6

Operation test/check

Operation

Used to check the warm up time and the
operation of all the units and to make
aging with copying. Each section can be
checked during copying.

1

Operation test/check

Operation

Used to check the warm up time and the
operation of all the units and to make
aging with copying. Each section can be
checked during copying. (In this
simulation, the detection functions of
paper presence/empty and a paper jam
disabled.)

2

d. Item

Item

Purpose

Section

Function (Purpose)

Code

Main

Sub

Picture quality

Adjustment

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

48

1

Adjustment

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

Adjustment

ICU

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

10

Density

Adjustment

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

Specifications

Setting

Used to set the destination.

26

6

Operation
mode
(Common)

Setting

Used to set the rear void area YES/NO.

20

Setting

Used to set the power save mode
YES/NO.

26

Setting

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

38

Setting

Fixing (Fusing)

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

30

Setting

PCU

Used to set MCU memory YES/NO.

39

Operation data
output/Check
(Display/Print)

PCU

Used to check the machine (hardware)
specifications.

7

Setting

Laser (Exposure)

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

40

Trouble

Error

Clear/Cancel (Trouble
etc.)

Used to cancel the self diag other than
U2 trouble.

14

0

Clear/Cancel (Trouble
etc.)

Used to cancel the self diag U2 trouble.

16

0

Software

Others

PCU

Used to check the ROM version.

22

14

Counter

Data clear

Optical (Image
scanning)

Used to clear the count of use (count of
scanning) of the scanner (reading) unit.

24

13

Operation data
output/Check
(Display/Print)

Optical (Image
scanning)

Used to check the count of use (count of
scanning) of the scanner (reading) unit.

22

21

Data clear

Image process
(Photoconductor/
Developing/Transfer/
Cleaning)

Photo
conductor

Used to clear the photoconductor drum
counter.

24

7

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