Sharp AR-285 (serv.man12) Service Manual ▷ View online
50 - 5
Purpose
Adjustment
Function
(Purpose)
(Purpose)
Used to adjust the print image position (top margin) on the print paper in the print mode.
Section
Item
Picture quality
Print area
Operation/
Procedure
Procedure
1. Enter the adjustment value with the 10-key.
2. Press the [EXECUTE] key to set the adjustment value entered in procedure 1.
When the set value is increased, the top margin is increased.
When the set value is changed by 1, the top margin is changed by about 0.1mm.
When the set value is changed by 1, the top margin is changed by about 0.1mm.
Default: 50
Note
50 - 10
Purpose
Adjustment
Function
(Purpose)
(Purpose)
Used to adjust the print image center position. (Adjustment can be made for each paper feed section.)
Section
ICU
Item
Picture quality
Image position
Operation/
Procedure
Procedure
1. Select the adjustment item (paper feed section) with [
↑
], [
↓
] keys.
2. Enter the adjustment value with the 10-key.
3. Press the [OK] key to set the adjustment value entered in procedure 1.
When the set value is increased, shift is made forward. When decreased, backward.
When the set value is changed by 1, the shift is changed by about 0.1mm.
When the set value is changed by 1, the shift is changed by about 0.1mm.
A, B, C, E, F, G, H : Default 50
D
: Default 58
Note
8 – 103
50 - 12
Purpose
Adjustment
Function
(Purpose)
(Purpose)
Used to adjust the print image center position. (Adjustment can be made for each document mode.)
Section
ICU
Item
Picture quality
Image position
Operation/
Procedure
Procedure
1. Select the adjustment item (paper feed section) with [
↑
], [
↓
] keys.
2. Enter the adjustment value with the 10-key.
3. Press the [OK] key to set the adjustment value entered in procedure 1.
When the set value is increased, shift is made forward. When decreased, backward.
When the set value is changed by 1, the shift is changed by about 0.1mm.
When the set value is changed by 1, the shift is changed by about 0.1mm.
Default: 50
Note
51
51 - 1
Purpose
Adjustment
Function
(Purpose)
(Purpose)
Used to adjust the OPC drum separation pawl ON time.
Section
Image process
(Photoconductor/Developping/Transfer/Cleaning)
(Photoconductor/Developping/Transfer/Cleaning)
Item
Operation
Operation/
Procedure
Procedure
1. Enter the adjustment value with the 10-key.
2. Press the [OK] key. (The value entered in procedure 1 is set.)
Time interval from the resist roller clutch (RRC) ON timing to the OPC drum separation pawl drive solenoid (PSPS) ON.
When the set value is increased, the timing is delayed. When the set value is changed by 1, the timing is changed by
about 1.0msec.
(Default 310)
When the set value is increased, the timing is delayed. When the set value is changed by 1, the timing is changed by
about 1.0msec.
(Default 310)
Note
8 – 104
51 - 2
Purpose
Adjustment
Function
(Purpose)
(Purpose)
Used to adjust the contact pressure of paper onto the resist roller in each section (copier paper feed section,
duplex paper feed section, SPF paper feed section).
(When the print image position varies greatly for the paper or when a lot of paper jam troubles occur, the
adjustment is required.)
duplex paper feed section, SPF paper feed section).
(When the print image position varies greatly for the paper or when a lot of paper jam troubles occur, the
adjustment is required.)
Section
Paper transport (Discharge/Switchback/Transport)
Item
Operation
Operation/
Procedure
Procedure
1. Select the adjustment mode with [
↑
], [
↓
] keys.
2. Enter the adjustment value with the 10-key.
3. Press the [OK] key. (The value entered in procedure 2 is set.)
Used to set the resist roller clutch (RRC) ON timing.
When the set value is increased, the timing is delayed and the paper pressure onto the resist roller is increased. When the
set value is changed by 1, the timing is changed by about 1.0msec.
When the set value is increased, the timing is delayed and the paper pressure onto the resist roller is increased. When the
set value is changed by 1, the timing is changed by about 1.0msec.
TRAY
Copier and desk paper feed high speed transport resist amount adjustment (45) (Default)
MANUAL
Manual paper feed resist amount adjustment (31) (Default)
LCC
LCC paper feed high speed transport resist amount adjustment (45) (Default)
ADU
ADF paper feed resist amount adjustment (30) (Default)
TRAY LOW
Copier and desk feed low transport resist amount adjustment (35) (Default)
LCC LOW
LCC paper feed low transport resist amount adjustment (45) (Default)
SPF
SPF paper feed resist amount adjustment (50) (Default)
Note
8 – 105
52
52 - 1
Purpose
Adjustment
Function
(Purpose)
(Purpose)
Used to adjust the duplex print mode stacking capability. (Used to adjust the stop position of the paper tray width
direction alignment plate in the duplex unit. The adjustment is executed by changing the width direction alignment
plate home position in the software.)
direction alignment plate in the duplex unit. The adjustment is executed by changing the width direction alignment
plate home position in the software.)
Section
Duplex
Item
Operation
Operation/
Procedure
Procedure
1. Select mode B with [
↑
], [
↓
] keys.
2. Select the paper feed mode with the 10-key.
3. Press the [EXECUTE] key.
4. Select mode A with [
↑
], [
↓
] keys.
5. Enter the adjustment value with the 10-key.
6. Press the [EXECUTE] key.
If there is no paper on the duplex tray, paper feed is performed in the paper feed mode selected in mode B and one sheet
of paper is transported to the duplex tray. Then the value set in procedure 5 is set and the alignment plate is operated
according to the home position corresponding to the set value.
When the set value is changed by "1", it is changed by about 0.2mm.
When the set value is increased, the alignment plate paper width is decreased.
The set value is in the range of
of paper is transported to the duplex tray. Then the value set in procedure 5 is set and the alignment plate is operated
according to the home position corresponding to the set value.
When the set value is changed by "1", it is changed by about 0.2mm.
When the set value is increased, the alignment plate paper width is decreased.
The set value is in the range of
±
50 with 50 at the center.
Set item
A: Alignment plate adjustment value (Default: 50)
B: Paper feed mode selection
1 : Manual
2: Upper cassette
3: Lower cassette
4: Desk top cassette
5: Desk middle cassette
6: Desk bottom cassette
7: LCC
Note
8 – 106
Click on the first or last page to see other AR-285 (serv.man12) service manuals if exist.