Read Sharp AL-800 (serv.man6) Service Manual online
[7] ADJUSTMENTS, SETTING
1. List
Content
Preliminary
work
After-
work
JOB No
JOB No
SET M1
Specification setting SET 1
Destination setting
SET 2
CE mark standard
conformity setting
conformity setting
SET M2
Counter setting
SET 1
Photoconductor
counter reset
counter reset
ADJ M1
Copy (print) density
adjustment
adjustment
ADJ 1
Auto mode
ADJ M9
ADJ M6
CHI M1
ADJ M6
CHI M1
ADJ 2
Manual mode
ADJ 3
Photo mode
ADJ 4
Auto (toner save)
mode
mode
ADJ 5
Manual (toner save)
mode
mode
ADJ M2
Copy distortion
adjustment
adjustment
ADJ 1
Scanner unit
parallelism
adjustment
(Mechanical
adjustment)
parallelism
adjustment
(Mechanical
adjustment)
ADJ M2/
ADJ 2
ADJ 2
ADJ 2
Copy sub scanning
direction distortion
adjustment
direction distortion
adjustment
ADJ M2/
ADJ 1
ADJ 1
ADJ M2/
ADJ 3
ADJ 3
ADJ 3
Copy main
scanning direction
distortion
adjustment
scanning direction
distortion
adjustment
ADJ M2/
ADJ 2
ADJ 2
ADJ M3
ADJ M3
Copy magnification
ratio adjustment
ratio adjustment
ADJ 1
Main scanning
direction
magnification ratio
(focus, resolution)
adjustment
direction
magnification ratio
(focus, resolution)
adjustment
ADJ M2/
ADJ 3
ADJ 3
ADJ M3/
ADJ 2
ADJ 2
ADJ 2
Sub scanning
direction copy
magnification ratio
adjustment
direction copy
magnification ratio
adjustment
ADJ M3/
ADJ 1
ADJ 1
ADJ M4
Copy image
position adjustment
(Main scanning
direction)
position adjustment
(Main scanning
direction)
ADJ M5
ADJ M5
Copy image area
(image loss, void
area) adjustment
(image loss, void
area) adjustment
ADJ 1
Image loss, void
area (lead edge tail
edge) adjustment
area (lead edge tail
edge) adjustment
ADJ 2
Void area (left/right)
adjustment
adjustment
ADJ M6
Image process
(high voltage)
power adjustment
(high voltage)
power adjustment
ADJ 1
Charging voltage
adjustment
adjustment
ADJ M1
ADJ 2
Developing bias
voltage
adjustment/check
voltage
adjustment/check
ADJ M1
CHI M1
Transfer charger
(voltage) check
(voltage) check
ADJ M7
Fusing temperature
adjustment
adjustment
ADJ 1
Fusing temperature
adjustment within
20 sheets of
continuous print
adjustment within
20 sheets of
continuous print
ADJ 2
Fusing temperature
adjustment after 20
sheets of
continuous print
adjustment after 20
sheets of
continuous print
ADJ M8
Power voltage
adjustment
adjustment
ADJ M9
Copy lamp light
quantity adjustment
quantity adjustment
ADJ M1
2. Details
SET M1
Specifications setting
Content
SET M1
Specification setting
SET 1
Destination setting
SET 2
Power save mode setting
SET 3
CE mark standard conformity setting
SET 1
Destination (paper specifications) setting
*
Program used
Test command (Simulation)
MODE
Normal
MAIN CODE
26
SUB CODE
6
*
Enforcement conditions
Enforcement
time
time
JOB No
Content
S 009/Ua 002
When replacing MCU PWB
In case of U2 trouble
When installing
When the paper specification is
changed.
changed.
Cycle
—
Conditions
—
*
Job content
1) Enter the simulation 26-6 mode.
(The currently set code (value) of the destination is displayed.)
2) Enter the desired code (value) of the destination and paper
specification, and press the start button.
Destination
code set
value
Destination
Paper
Paper type
Max. size
Min. size
0
Inch series
14
×
8.5/
11
×
8.5
8.5
×
5.5/
14
×
5.5
1
EX Japan
AB series
A4 (210
×
356 mm)
A5
2
Japan
AB series
A4 (210
×
356 mm)
B5
When the adjustment value is changed, the paper size specifica-
tion, the fixed magnification ratios, and enlargement copy mag-
nification ratios are changed.
tion, the fixed magnification ratios, and enlargement copy mag-
nification ratios are changed.
*
Troubles caused by improper work
1) If the set value does not correspond to the actual paper size
(small size), the transfer roller is dirtied with toner and as a result
the print paper edge is dirtied with toner.
the print paper edge is dirtied with toner.
SET 2
CE mark standard conformity setting
(Flicker)
(Flicker)
*
Adjustment value
Default
—
*
Program used
Test command (Simulation)
MODE
Normal
MAIN CODE
26
SUB CODE
30
*
Enforcement conditions (time)
Enforcement
time
time
JOB No
Content
S 009/Ua 002
When replacing MCU PWB.
In case of U2 trouble
When installing
When the fluorescent lamp
flickers during operation of the
copier.
flickers during operation of the
copier.
Cycle
—
Condition
—
7 – 1
*
Job content
1) Enter the simulation 26-30 mode.
(The currently set code of the CE mark conformity operation
(protecting against flicker) is displayed.
(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.
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
time
JOB No
Content
When replacing
photoconductor cartridge
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.)
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
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
adjustment
ADJ 3
Photo copy mode copy density adjustment
ADJ 4
Auto (Toner save) copy mode copy
density adjustment
density adjustment
ADJ 5
Manual (Toner save) copy mode copy
density adjustment
density adjustment
*
Adjustment value (Common to all the adjustment
items)
items)
(Test command (Set value))
Range (MIN)
0
Range (MAX)
99
Standard value
50
Default
50
(Copy density level)
Adjustment
mode
mode
Mode display
lamp
lamp
Density
adjustment
level
adjustment
level
SHARP gray chart
(UKOG-0062FCZZ)
adjustment level
(UKOG-0062FCZZ)
adjustment level
Auto copy
mode
mode
Auto copy
mode lamp
mode lamp
"3" of the gray
scale is copied.
scale is copied.
Test copy
mode
mode
Text copy
mode lamp
mode lamp
Center (3)
"3" of the gray
scale is copied.
scale is copied.
Photo copy
mode
mode
Photo copy
mode lamp
mode lamp
Center (3)
"2" of the gray
scale is copied.
scale is copied.
Auto (Toner
save) copy
mode
save) copy
mode
Auto copy
mode lamp
mode lamp
"3" of the gray
scale is copied.
scale is copied.
Photo copy
mode lamp
mode lamp
Manual
(Toner save)
copy mode
(Toner save)
copy mode
Manual copy
mode lamp
mode lamp
Center (3)
Gray scale "3" is
copied.
copied.
Photo copy
mode lamp
mode lamp
*
Program used
Test command (Simulation)
MODE
Normal
MAIN CODE
46
SUB CODE
1
*
Execution condition (time)
Enforcement
time
time
JOB No
Content
S 004
When any part of the scanner
(reading) section is
disassembled, replaced, or
cleaned.
(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
voltage power/motor drive PWB
ADJ M6
When adjusting the high
voltage power voltage
voltage power voltage
When servicing
Cycle
—
Conditions
Normal copy exposure is not
obtained.
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).
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.
1 3 5
AUTO
ONLINE
PREHEAT
MANUAL
PHOTO
7 – 2
*
Work content
1) Set the test chart with three sheets of A4 (11
×
8.5) paper on the
document table as shown below and close the document cover.
2) Set the copy density level of the manual copy mode and the photo
copy mode to the center.
(Select the photo mode with the copy mode key and press and
hold the key for 5 sec or more, and the auto copy mode display
lamp will blink. Under this state, use the copy density adjustment
key to set the copy density level to the center. When the copy
mode key is pressed after this, the adjusted level is set and the
copy mode display lamp will change from blinking to lighting and
the machine will return to the normal mode.)
(Select the photo mode with the copy mode key and press and
hold the key for 5 sec or more, and the auto copy mode display
lamp will blink. Under this state, use the copy density adjustment
key to set the copy density level to the center. When the copy
mode key is pressed after this, the adjusted level is set and the
copy mode display lamp will change from blinking to lighting and
the machine will return to the normal mode.)
3) Enter the test command (simulation) 46-1 mode.
4) Select the copy mode to be adjusted with the copy picture quality
mode select key.
(The currently set copy density adjustment level is displayed on
the copy quantity display.)
(The currently set copy density adjustment level is displayed on
the copy quantity display.)
5) Change and adjust the set value so that the following copy density
copy is made.
To change the copy density, change the adjustment value and press
the start button.
the start button.
(The adjustment value is stored and a copy is made)
To decrease the copy density, decrease the adjustment value. To
increase the copy density, increase the adjustment value. When the
exposure level of the center density level is adjusted, the copy density
in the other density level is automatically calculated and adjusted.
increase the copy density, increase the adjustment value. When the
exposure level of the center density level is adjusted, the copy density
in the other density level is automatically calculated and adjusted.
The adjustment value can be set in the range of 0
∼
99.
Perform procedures 4)
∼
6) for each copy mode.
(Test chart comparison table)
UKOG-0162FCZZ
DENSITY No
DENSITY No
1
2
3
4
5
6
7
8
9
10
W
UKOG-0089CSZZ
DENSITY No
DENSITY No
0.1
0.2
0.3
0.5
1.9
0
KODAK GRAY
SCALE
SCALE
1
2
3
4
19
A
*
Preliminary work
JOB No
Content
S 004
Scanner (reading) section cleaning
S 006
Image process section cleaning
S 007
Fusing section cleaning
*
Necessary tools
One of the following test charts is required.
Name
Gray scale chart
Parts code/Price rank
UKOG-0162FCZZ
Name
SHARP original test chart
Parts code/Price rank
UKOG-0089FCZZ
Name
KODAK gray scale chart
Parts code/Price rank
Commercially available
ADJ M2
Copy image distortion adjustment
Content
Preliminary
work
After-
work
JOB No
JOB No
ADJ M2
Copy distortion
adjustment
adjustment
ADJ 1 Scanner unit
parallelism
adjustment
(Mechanical
adjustment)
adjustment
(Mechanical
adjustment)
ADJ M2/
ADJ 2
ADJ 2
ADJ 2 Copy sub
scanning direction
distortion
adjustment
distortion
adjustment
ADJ M2/
ADJ 1
ADJ 1
ADJ M2/
ADJ 3
ADJ 3
ADJ 3 Copy main
scanning direction
distortion
adjustment
distortion
adjustment
ADJ M2/
ADJ 2
ADJ 2
ADJ M3
ADJ 1
Scanner unit parallelism adjustment
*
Location
*
Execution condition (time)
Enforcement
time
time
JOB No
Content
S 004
When any part in the scanner
(reading) section is
disassembled or replaced.
(reading) section is
disassembled or replaced.
Cycle
—
Condition
When the copy image
distortion is outside the
allowable range.
distortion is outside the
allowable range.
A6
B6
51/2
A5
B5
81/2
A4
A4(11x8.5")
White paper
White paper
Test chart
1 3 5
AUTO
ONLINE
PREHEAT
MANUAL
PHOTO
1
10
W
2
3
4
5
6
7
8
9
SHARP gray scale adjustment level
Copied
Not copied
1
10
W
2
3
4
5
6
7
8
9
7 – 3
*
Necessary condition
1) The scanner drive wire tension must be normal.
*
Work content
1) Loosen the fixing screw of the scanner unit A and the drive wire,
and release the scanner unit A from the drive wire.
2) Manually turn the scanner drive gear to bring the scanner unit B
into contact with the stopper,
At that time, if the scanner unit B makes contact with both the
stoppers in the front and the rear frames at the same time, the
parallelism of the scanner unit B is proper.
stoppers in the front and the rear frames at the same time, the
parallelism of the scanner unit B is proper.
If not, perform the following procedures to adjust.
Do not move the scanner unit manually.
3) Loosen the fixing screw of the scanner unit drive pulley which is
not in contact with the stopper of the scanner unit B.
4) Without moving the scanner unit drive shift, manually turn the
scanner unit drive pulley so that the scanner unit B makes contact
with both the stoppers at the same time. (Change the relative
positions of the scanner unit drive pulley and the drive shaft.)
with both the stoppers at the same time. (Change the relative
positions of the scanner unit drive pulley and the drive shaft.)
5) Fix the scanner unit drive pulley fixing screw which was loosened
in procedure 3).
6) Execute procedure 2).
Repeat procedures 3)
∼
6) until the parallelism of the scanner unit
B is proper.
7) With the scanner unit B in contact with both the stoppers in the
rear and the front frames, slide the scanner unit A until it makes
contact with the right edge of the frame, and fix the scanner unit A
and the drive wire.
contact with the right edge of the frame, and fix the scanner unit A
and the drive wire.
7 – 4
