Xerox 7142, Service Manual

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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