Read Sharp MX-6240N / MX-7040N (serv.man24) Service Manual online
MX-7040N ADJUSTMENTS AND SETTINGS 5 – 14
ADJ 4
Print engine image distortion
adjustment / OPC drum phase
adjustment / Color registration
adjustment
(Print engine section)
adjustment / OPC drum phase
adjustment / Color registration
adjustment
(Print engine section)
This adjustment must be performed in the following cases:
* When the color shift occurs.
* When the LSU is replaced.
* When the LSU is removed from the main unit.
* When the unit is installed or when the installing place is changed.
* When maintenance work is performed. (Replacement of the
OPC drum, the OPC cartridge, the transfer unit, the transfer belt,
etc.)
etc.)
* When [ADJ3A] / [ADJ15A] Print engine image magnification ratio
adjustment (BK) (main scanning direction) is performed.
* U2 trouble has occurred.
* When the PCU PWB is replaced.
* When EEPROM on the PCU PWB is replaced.
* When the color phase is not proper even after execution of the
color balance adjustment.
* When the OPC drum drive section is disassembled.
* When the primary transfer unit is replaced. (when it is removed
from the machine)
* When the developing unit or the OPC drum unit is removed from
the machine.
4-A
Print engine image distortion adjustment
(Manual adjustment) / OPC drum phase
adjustment (Automatic adjustment) /
Color registration adjustment
(Automatic adjustment)
(Manual adjustment) / OPC drum phase
adjustment (Automatic adjustment) /
Color registration adjustment
(Automatic adjustment)
This adjustment performs the print engine image distortion adjust-
ment, the OPC drum phase adjustment, and the color registration
adjustment simultaneously.
ment, the OPC drum phase adjustment, and the color registration
adjustment simultaneously.
1)
Enter SIM50-22 mode.
2)
Press [EXECUTE] key.
[EXECUTE] key is highlighted and the image registration auto-
matic adjustment is started. (It takes about 15 sec to complete
the adjustment.)
matic adjustment is started. (It takes about 15 sec to complete
the adjustment.)
3)
When the adjustment is completed, [EXECUTE] key returns to
the normal display, and the value of the adjustment result is
displayed.
the normal display, and the value of the adjustment result is
displayed.
The current skew level for each color is displayed on the
SKEW display section.
SKEW display section.
Abnormal end
EXECUTE
Normal completion
ǂǂǂ6,08/$7,21ǂǂ12
7(67
&/26(
12:(;(&87,1*
$872$'-8670(172)5(*,675$7,21 '580326,7,21
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
%$&.
0212
&2/25
(;,7
&/($5
(;(&87(
ǂǂǂ6,08/$7,21ǂǂ12
7(67
&/26(
35(66>(&(;87(@7267$57
(55257211(5(037<
$872$'-8670(172)5(*,675$7,21 '580326,7,21
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
%$&.
0212
&2/25
(;,7
&/($5
(;(&87(
ǂǂǂ6,08/$7,21ǂǂ12
7(67
&/26(
0$,1)0$,1568%6.(:
&/2.
0/2.
</2.
67$57$03$//B527$7(52.
.
&
<
0
$872$'-8670(172)5(*,675$7,21 '580326,7,21
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
.(<
%$&.
0212
&2/25
(;,7
&/($5
(;(&87(
Click on the first or last page to see other MX-6240N / MX-7040N (serv.man24) service manuals if exist.