Xerox 7142 Service Manual - page 149

RJ-901C/RJ-900C 　 Maintenance Manual

5 Self-Diagnosis Mode

5-31

5.5.6

CW Adjustment

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

To adjust the gap of it, at first print out Uni-D printing and confirm the differences of print position. 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 CW adjustment check patterns.

Table 5-6 Uni-D Menu Items

Item

Contents

CW adjustment Low 1

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

CW adjustment Low 2

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

CW adjustment High 1

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

CW adjustment High 2

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

Table 5-7 Uni-D Adjustment Items

Item

Contents

Gap1A-1B

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

Gap1A-2A

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

Gap1A-2B

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

Gap1A-3A

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

Gap1A-3B

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

Gap1A-4A

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

Gap1A-4B

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