MX-6240N, MX-7040N (serv.man24). Section 5 Adjustments and Settings - Updated November 2012 - Sharp Copying Equipment Service Manual (repair manual). Page 84

MX-7040N  ADJUSTMENTS AND SETTINGS  5 – 84

8)

In the case of paper feed tray 3/4

Loosen the paper feed tray off-center adjustment screws (2
pcs.) at the center section of the lift plate of the paper feed tray,
and change the gear unit position in the front/rear frame direc-
tion. Repeat the adjustment procedures from 4).

NOTE:

Normally if the adjustment is executed by ADJ3 (automatic adjust-
ment), there is no need to execute this adjustment.

Only when the manual adjustment is required, execute this adjust-
ment.

In other words, this manual adjustment is executed when a satis-
factory result is not obtained from the automatic adjustment
(ADJ3).

The adjustment item (SUB-XXX-HV-XXX) is used to make the fine
adjustment of heavy paper/OHP/envelopes for the adjustment item
(SUB-XXX) of each paper feed tray.

 

NOTE:

Normally if the adjustment is executed by ADJ3 (automatic adjust-
ment), there is no need to execute this adjustment.

Only when the manual adjustment is required, execute this adjust-
ment.

In other words, this manual adjustment is executed when a satis-
factory result is not obtained from the automatic adjustment
(ADJ3).
 

 

CAUTION: If the default adjustment value of the scan image magni-

fication ration adjustment (main scanning direction) of
SIM 48-1, copy image quality may be degraded. There-
fore, this adjustment must be executed only when there
is a special necessity.

This adjustment must be performed in the following cases:

* When the copy magnification ratio in the copy image main scan-

ning direction is not properly adjusted.

* When the scanner motor is replaced.

* U2 trouble has occurred.

* When the scanner control PWB is replaced.

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

Before this adjustment, the focus adjustment (CCD unit installing
position adjustment) must have been completed.

1)

Place a scale on the document table as shown in the figure
below.

2)

Enter the SIM 48-1 mode.

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