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

Page: 54 / 448

MX3500N ADJUSTMENTS 6 – 9
4) Open the right cover unit (secondary transfer unit section).
5) Open the process front cover, and pull out the primary transfer
belt unit.
6) Install the image density sensor calibration jig (UKOG-
0318FCZZ) to the sensor housing section.
Engage the pawl (A) in the sensor housing groove, and slide it
to the rear frame side.
7) Turn on the power and enter SIM44-13 mode.
8) Close the right cover unit (secondary transfer unit section).
9) Install the waste toner bottle to the main unit.
10) Close the front cabinet.
11) Press [EXECUTE] key.
Color image sensor calibration is automatically executed.
When the operation is completed, the adjustment result is dis-
played and [EXECUTE] key returns to the normal display.
If the adjustment is not completed normally, "ERROR" is displayed.
In that case, check the following sections for any abnormality. If any
abnormality is found, repair and adjust again.
If an error occurs, the adjustment result is not revised.
* Color image density sensor
* PCU PWB
* Image sensor calibration jig (standard reflection sheet dirt,
scratch, discoloration)
NOTE: Store the image sensor calibration jig under low tempera-
ture, low humidity and dark place.
5-B Color image density sensor, black image
density sensor, image registration sensor
adjustment
1) Enter SIM44-2 mode.
2) Press [EXECUTE] key.
The color image density sensor, the black image density sen-
sor, and the image registration sensor are automatically
adjusted.
After completion of the adjustment, the adjustment result is
displayed and [EXECUTE] key returns to the normal display.
2
A
A
A
EXECUTE
EXECUTE
0
SIMULATION 㩷 NO.44-13
TEST
PATCH SEAL ADJUSTMENT
EXECUTE
xxx :
PCS CL DARK xxx :
xxx
xxx
xxx
xxx
:
1/1
CLOSE
0
SIMULATION
㩷
NO.44-13
TEST
PATCH SEAL ADJUSTMENT
EXECUTE
PCS CL CARB OUT :
PCS CL DARK
:
PCS CL LED ADJ :
1/1
CLOSE
or when the color sensor
adjustment is completed
PCS CL CARB OUT
PCS CL LED ADJ
Display/Item Content
Adjustment
value range Default
value
A PCS_CL
CARB OUT Color image density sensor
LED current adjustment
target value 1 – 255 108
B PCS_CL
DARK Color image density sensor
dark-voltage level 0 – 255 0
C PCS_CL
LED ADJ Color image density sensor
LED current adjustment
target value (PCS CL CARB
OUT) registered LED current
level 1 – 255 21
0
SIMULATION NO.44-02
TEST
PROCON GAIN ADJUSTMENT
EXECUTE
PCS_CL LED ADJ xx : PCS_ 㧷 GRND xx :
PCS_ 㧷 LED ADJ xx : PCS_K BELT MAX xx :
PCS_CL DARK xx : PCS_K BELT MIN xx :
PCS_K DARK xx : PCS_K BELT DIF xx :
1/4
CLOSE
: Feb. 15 2006
2