Sharp MX-4100N Service Manual page 93

(Front/rear frame direction image loss adjustment)
1) Make a duplex copy in 100% in the DSPF mode. Check to
confirm that the image losses on the front frame side and the
rear frame side are 2.0±2.0mm on the front surface and the
back surface.
Paper F
side edge
Paper R
side edge
If the above condition is not satisfied, perform the following
procedure.
2) Enter the adjustment value of FRONT/REAR (SIDE 1)/
FRONT/REAR (SIDE 2), and press [OK] key.
FRONT/REAR (SIDE 1) Front/Rear image loss adjustment
value (Front surface)
FRONT/REAR (SIDE 2) Front/Rear image loss adjustment
value (Back surface)
(When the adjustment value is increased, the front/rear image
loss is increased.)
(Change for change in the adjustment value: 0.1mm/step)
Perform the procedures of 1) - 2) until a satisfactory result is
obtained.
ADJ 19
Print lead edge image position
adjustment (Printer mode)
(Print engine section)
This adjustment is needed in the following situations:
* When the regist roller section is disassembled.
* When the LSU is replaced or removed.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
NOTE: This adjustment is performed by the user to increase the
lead edge void area to greater than the standard value
(3mm) in the printer mode.
1) Enter the simulation 50-5 mode.
Image loss
2.0 2.0mm
Copy image
Copy image
Image loss
2.0 2.0mm
MX-5001N ADJUSTMENTS 5 – 51
10-key
EXECUTE
2) Select the set item L with the scroll key, and enter the value
corresponding to the paper feed tray with A4 (11" x 8.5") paper
in it.
Display/Item
A DEN-C Printer lead edge
image position
adjustment
B DEN-B Rear edge void area
adjustment
C FRONT/REAR FRONT/REAR void
area adjustment
D DENB-MFT Manual feed rear edge
void area adjustment
correction value
E DENB-CS1 Tray 1 rear edge void
area adjustment
correction value
F DENB-CS2 Tray 2 rear edge void
area adjustment
correction value
G DENB-CS3 Tray 3 rear edge void
area adjustment
correction value
H DENB-CS4 Tray 4 rear edge void
area adjustment
correction value
I DENB-LCC LCC rear edge void
area adjustment
correction value
J DENB-ADU ADU rear edge void
area adjustment
correction value
K MULTI COUNT Number of print
EXECUTE
End of print
Setting
Content Default
range
1 - 99
1 - 99
1 - 99
1 - 99
1 - 99
1 - 99
1 - 99
1 - 99
1 - 99
1 - 99
1 - 999
30
30
20
50
50
50
50
50
50
50
1