MX-M905 (serv.man2). Service Manual (Revised May 2017). - Sharp Copying Equipment Service Manual (repair manual). Page 123

MX-M905  ADJUSTMENTS  5 – 83

 

This adjustment is required in the following cases:

* When the operation panel is replaced.

* When the U2 trouble occurs.

* When the scanner control PWB is replaced.

* When the EEPROM on the scanner control PWB is replaced.

1)

Enter the Sim. 65-1 mode.

2)

Touch the four cross marks on the corners precisely. Do not
use a finger.

When the cross marks are touched precisely, they are
reversely displayed. When the touch panel adjustment is com-
pleted by touching all the four marks, the display returns to the
sub code entry menu.

When touching the cross marks, never use a sharp tip (such
as a needle and a pin).

 

This adjustment is required in the following cases:

* The waste toner detection section has been disassembled.

* One or more parts of the waste toner detection section have

been replaced.

Turn the waste toner detection adjustment knob so that height from
upper surface of the adjustment knob to head edge of the tension
bar is 2.0 mm.

 

This adjustment is required in the following cases:

* When a paper jam occurs in the fusing section.

* When the lead edge of paper is folded in the fusing section.

* When skew is generated in the fusing section.

* When blur or improper focusing is generated on the lead edge

section or the rear edge section of an image on paper. 

* When wrinkle is generated on paper.

1)

Remove the fusing unit.

2)

Loosen the screw.

3)

Slide the fusing paper guide up or down to adjust the position.

* Check and mark the scale position before the adjustment

(with a pencil, etc.), and slide to the left and the right evenly.

2mm