AL-840 (serv.man6). AL800 840 Service Manual-Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 2

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*
Job content
1) Enter the simulation 26-30 mode.
(The currently set code of the CE mark conformity operation
(protecting against flicker) is displayed.
2) Enter the desired code (value) of the CE mark conformity opera-
tion (protecting against flicker), and press the start button.
Set code
CE mark conformity operation
(Protecting against flicker)
0
YES
1
NO
If the fluorescent lamp flickers when the power of the copier is
turned on, set this adjustment value to 1 to reduce or eliminate
this phenomenon.
 SET M2 
Counter setting
 SET 1 
Photoconductor counter reset
*
Enforcement condition (time)
Enforcement
time
JOB No
Content
When replacing
photoconductor cartridge
S 009/Ua 002
When replacing MCU PWB
In case of U2 trouble
Cycle
20 K
Condition
*
Job content
1) Turn on the power.
2) Open the operation section. (The cabinet switch is turned off.)
3) While pressing the copy mode select key (left and side) and the
clear key simultaneously, close the operation section. (The
cabinet switch is turned on.) (This state is maintained for 5 sec.)
With the above operation, the photoconductor counter is reset.
ADJ M1
Copy density adjustment
Content
ADJ M1
Copy (print) density
adjustment
ADJ 1 Auto mode
ADJ 2 Manual mode
ADJ 3 Photo mode
ADJ 4 Auto (Toner save) mode
ADJ5
Manual (Toner save) mode
ADJ 1
Auto copy mode copy density adjustment
ADJ 2
Manual copy mode copy density
adjustment
ADJ 3
Photo copy mode copy density adjustment
ADJ 4
Auto (Toner save) copy mode copy
density adjustment
ADJ 5
Manual (Toner save) copy mode copy
density adjustment
*
Adjustment value (Common to all the adjustment
items)
(Test command (Set value))
Range (MIN)
0
Range (MAX)
99
Standard value
50
Default
50
(Copy density level)
Adjustment
mode
Mode display
lamp
Density
adjustment 
level
SHARP gray chart
(UKOG-0062FCZZ)
adjustment level
Auto copy
mode
Auto copy
mode lamp
"3" of the gray
scale is copied.
Test copy
mode
Text copy
mode lamp
Center (3)
"3" of the gray
scale is copied.
Photo copy
mode
Photo copy
mode lamp
Center (3)
"2" of the gray
scale is copied.
Auto (Toner
save) copy
mode
Auto copy
mode lamp
"3" of the gray
scale is copied.
Photo copy
mode lamp
Manual
(Toner save)
copy mode
Manual copy
mode lamp
Center (3)
Gray scale "3" is
copied.
Photo copy
mode lamp
*
Program used
Test command (Simulation)
MODE
Normal
MAIN CODE
46
SUB CODE
1
*
Execution condition (time)
Enforcement
time
JOB No
Content
S 004
When any part of the scanner
(reading) section is
disassembled, replaced, or
cleaned.
S 009/Ua 002
When replacing MCU PWB
In case of U2 trouble
S 009/Ua 004
When replacing the high
voltage power/motor drive PWB
ADJ M6
When adjusting the high
voltage power voltage
When servicing
Cycle
Conditions
Normal copy exposure is not
obtained.
*
Necessary condition
1) The scanner (reading) section must be free from dust.
2) The image process section must be normal.
The high voltage power voltage must be normal.
The photoconductor cartridge, the developer cartridge are nor-
mal (free from dirt and damage).
The transfer roller must be free from dirt and damage.
3) The fusing section must be normal (free from dirt).
4) The paper transport section must be normal.
5) The scan (writing) section must be free from dirt.
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