Xerox 7142 Service Manual - page 157

RJ-901C/RJ-900C 　 Maintenance Manual

5 Self-Diagnosis Mode

5-39

3. Check the printed CCW adjustment check patterns for the following points.

(The following shows a case for CCW adjustment Low 1)

Print the patterns in the order of A/B/C/D/E/F/G/H.

*Also for CCW adjustment Low 2, High 1 and High 2, perform adjustment using the same procedure.

A: Media feed direction

B: Adjust the setting value so that the printed dots are aligned at this connecting point.

C: The number shows the performed adjustment items.

 1-3: CCW adjustment Low 1

 1-4: CCW adjustment Low 2

 2-3: CCW adjustment High 1

 2-4: CCW adjustment High 2

* Detail on B is as follows. Make an adjustment so that the size of the gap A is smaller than the half size 

of the dot.

Details of circled area

Printing 

direction

Printing 

direction

Printing 

direction

Printing 

direction

1-A

1-B

2-A

2-B

3-A

3-B

4-A

4-B

1-3

A

C

B (upper circle above)

B (lower circle above)