Sharp MX-3500N Service Manual page 213

SIMULATION NO.50 21
TEST
REGISTRATION ADJUSTMENT : SCANNING DIRECTION
A 100 CYAN
A:
100
B 100 MAGENTA
C 100 YELLOW
1 199
D 1 MULTIOUNT
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
<Display items and contents in normal end>
Button
ALL (All REGIST (Auto
execution (Both registration
of the auto adjustment is
registration executed.)
adjustment and
the auto phase
adjustment are
executed.)
DLUM POS
(Auto phase
adjustment is
executed.)
0
CLOSE
OK
EXECUTE
Display
MAIN F C Registration adjustment value main scan
direction (Cyan laser writing position F side)
M Registration adjustment value main scan
direction (Magenta laser writing position F
side)
Y Registration adjustment value main scan
direction (Yellow laser writing position F side)
MAIN R C Registration adjustment value main scan
direction (Cyan laser writing position R side)
M Registration adjustment value main scan
direction (Magenta laser writing position R
side)
Y Registration adjustment value main scan
direction (Yellow laser writing position R side)
SUB C Registration adjustment value sub scan
direction (Cyan drum → Black drum)
M Registration adjustment value sub scan
direction (Magenta drum → Cyan drum)
Y Registration adjustment value sub scan
direction (Yellow drum → Magenta drum)
PHASE Phase adjustment Angle step
value BK → CL
0° (1) → 45° (2) → 90° (3) → 135°
(4) → 180° (5) → 225° (6) → 270°
(7) → 315°(8)
MX3500N SIMULATION 7 – 105
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.
Content Display
1.0 –
199.0
1.0 –
199.0
1.0 –
199.0
1.0 –
199.0
1.0 –
199.0
1.0 –
199.0
1.0 –
199.0
1.0 –
199.0
1.0 –
199.0
1 – 8
Default
Remark
value
100.0 Same item with SIM50-20
*
However, the adjustment
100.0
accuracy is in the unit of
±0.1 dot. (The adjustment
accuracy of 50-20, -21 is
100.0
in the unit of ±1.0dot.)
100.0
100.0
100.0
100.0
100.0
100.0
2 Same item with SIM 44-31