AL-840 (serv.man7). AL800 840 Service Manual-Simulation codes - Sharp Copying Equipment Service Manual (repair manual). Page 14

22 - 21

Purpose

Operation data output/Check (Display/Print)

Function
(Purpose)

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

Section

Optical (Image scanning)

Item

Counter

Operation/
Procedure

The display system and the method are the same as those of SIM 22-5 (Total print counter display).

Note

24 - 7

Purpose

Data clear

Function
(Purpose)

Used to clear the photoconductor drum counter.

Section

Image process
(Photoconductor/Developing/Transfer/Cleaning)

Photo conductor

Item

Counter

Operation/
Procedure

Note

24 - 13

Purpose

Data clear

Function
(Purpose)

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

Section

Optical (Image scanning)

Item

Counter

Operation/
Procedure

Note

25 - 1

Purpose

Operation test/check

Function
(Purpose)

Used to check the operation of the main drive (excluding the scanner (reading) section) section.

Section

DRIVE

Item

Operation

Operation/
Procedure

The main motor rotates for 30 sec.
During the motor rotation, one of the following two operations is performed depending on installation of the
developer cartridge.

1) When the developer cartridge is installed:

(The following high voltages are outputted.)

*

Main charger voltage

*

Transfer charger voltage

*

Developer bias voltage

2) When the developer cartridge is not installed:

The high voltage is not outputted and the main motor rotates only.

Note

8 – 14