Xerox 7142 Service Manual - page 156

5 Self-Diagnosis Mode

RJ-901C/RJ-900C 　 Maintenance Manual

5-38

5.5.8

CCW Adjustment

This menu is used to adjust the gap of the print positions caused by CR passes.

To adjust the gap of the print positions, at first print out a Uni-D printing and identify the difference of the 

print positions. Then, enter the difference for the relevant parameters..

Adjustment items are shown in the tables below.

The actual procedure is as follows.

1. Set media as necessary.

2. After media is set, the machine prints out CCW adjustment check patterns.

Table 5-9 Uni-D Menu Items

Item

Contents

CCW adjustment Low 1

CCW adjustment for low head height, PG 1 value, using 3-peak 

waveform

CCW adjustment Low 2

CCW adjustment for low head height, PG 1 value, using 6-peak 

waveform

CCW adjustment High 1

CCW adjustment for high head height, PG 2 value, using 3-peak 

waveform

CCW adjustment High 2

CCW adjustment for high head height, PG 2 value, using 6-peak 

waveform

表

 5-10 Uni-D Adjustment Items

Item

Contents

Gap1A-1B

Uni-D (CCW) adjustment of nozzle row B to nozzle row A

Gap1A-2A

Uni-D (CCW) adjustment of nozzle row C to nozzle row A

Gap1A-2B

Uni-D (CCW) adjustment of nozzle row D to nozzle row A

Gap1A-3A

Uni-D (CCW) adjustment of nozzle row E to nozzle row A

Gap1A-3B

Uni-D (CCW) adjustment of nozzle row F to nozzle row A

Gap1A-4A

Uni-D (CCW) adjustment of nozzle row G to nozzle row A

Gap1A-4B

Uni-D (CCW) adjustment of nozzle row H to nozzle row A