Sharp MX 3501N - Color Laser - Copier, Service Manual

Page: 213 / 448

MX3500N SIMULATION 7 – 105
50-22
Purpose Adjustment
Function (Purpose) Used to execute the auto adjustment of the
main/sub scan the main/sub registration.
(Print on the belt/ Scan with the registration
sensor (photo sensor)
Image registration adjustment (Auto adjust-
ment) adjustment image quality image posi-
tion
Section –
Item Image quality
Operation/Procedure
1) Select the mode. (In this example, [REGIST] is selected.)
* Press the button to select a category. The selected button is
highlighted. The set item of the selected button is displayed.
* Only one button can be selected. The selected button is
highlighted. In the initial state, [ALL] button is selected.
* If there is a page over [
↑
], an active display is shown and the
page moves up. If there is no page upward, the display
grays out and the operation is invalid.
If there is a page under [
↓
], an active display is shown and
the page moves down. If there is no page downward, the
display grays out and the operation is invalid.
2) When [EXECUTE] button is pressed, it is highlighted and all
the drum motors are driven to start the adjustment.
* After completion of the adjustment, the drum motor is
stopped and [EXECUTE] button returns to the normal dis-
play. The adjustment result is displayed.
MAIN, SUB:
After the adjustment, the adjustment value is displayed.
( ) Difference from the previous value.
Example: This time 105, previous time 103: 105 (+2)
PHASE:
The number assigned to the phase is displayed.
( ) Difference from the previous value.
Example: This time 90
°
, previous time 45
°
: 3(2)
In this case, the necessary data are saved to EEPROM and
RAM.
* In case of an error end, "ERROR" and the detail are dis-
played.
* When the registration auto adjustment is interrupted by an
external cause (pressing [EXECUTE] key, opening the door,
etc.), "SUSPENDED" is displayed and the drum motor stops
and [EXECUTE] button returns to the normal display.
* In case of an error end or a forcible interruption, the data are
not written to EEPROM and RAM.
<Display items and contents in normal end>
0
A:
A
㧦
100
B 㧦 100
㧧 CYAN
㧧 MAGENTA
SIMULATION NO.50
㧙
21
REGISTRATION ADJUSTMENT : SCANNING DIRECTION
100
㨇 1 㨪 199 㨉
OK
TEST
EXECUTE
CLOSE
C 㧦 100 㧧 YELLOW
D 㧦 1 㧧 MULTIOUNT
Button Display Content Display
Default
value
Remark
ALL (All
execution (Both
of the auto
registration
adjustment and
the auto phase
adjustment are
executed.) REGIST (Auto
registration
adjustment is
executed.) MAIN F C Registration adjustment value main scan
direction (Cyan laser writing position F side) 1.0 –
199.0
100.0 Same item with SIM50-20
*
However, the adjustment
accuracy is in the unit of
±
0.1 dot. (The adjustment
accuracy of 50-20, -21 is
in the unit of
±
1.0dot.)
M Registration adjustment value main scan
direction (Magenta laser writing position F
side) 1.0 –
199.0
100.0
Y Registration adjustment value main scan
direction (Yellow laser writing position F side) 1.0 –
199.0
100.0
MAIN R C Registration adjustment value main scan
direction (Cyan laser writing position R side) 1.0 –
199.0
100.0
M Registration adjustment value main scan
direction (Magenta laser writing position R
side) 1.0 –
199.0
100.0
Y Registration adjustment value main scan
direction (Yellow laser writing position R side) 1.0 –
199.0
100.0
SUB C Registration adjustment value sub scan
direction (Cyan drum
→
Black drum)
1.0 –
199.0
100.0
M Registration adjustment value sub scan
direction (Magenta drum
→
Cyan drum)
1.0 –
199.0
100.0
Y Registration adjustment value sub scan
direction (Yellow drum
→
Magenta drum)
1.0 –
199.0
100.0
DLUM POS
(Auto phase
adjustment is
executed.) PHASE Phase adjustment
value BK
→
CL
Angle step 1 – 8 2 Same item with SIM 44-31
0
°
(1)
→
45
°
(2)
→
90
°
(3)
→
135
°
(4)
→
180
°
(5)
→
225
°
(6)
→
270
°
(7)
→
315
°
(8)