Xerox 7142 Service Manual

RJ-901C/RJ-900C Maintenance Manual 5 Self-Diagnosis Mode
5-21
5.5 Adjustment Menu
In this menu, the printing position can be aligned and media feed operation can be corrected.
The adjustment menu includes the following diagnosis menus.
Table 5-4 Diagnosis Items in Adjustment Menu
Diagnosis item Contents Reference
Skew check Performs media feed and detects the degree of skew in
media feed by the sensor.
"5.5.1 Skew Check
Menu" p.5-24
Head rank input Enters the characteristic value of the print heads in use.
After the entry, charge ink.
"5.5.2 Head Rank
Input Menu" p.5-25
Head nozzle check Prints out a printing to check the ink discharge
performance of the head nozzles.
"5.5.3 Head Nozzle
Check Menu" p.5-26
Head slant check 1 Prints out a printing to check for print head slant
(horizontal direction). Mechanical adjustment must be
performed as necessary.
"5.5.4 Head Slant
Check Menu 1" p.5-28
Head slant check 2 Prints out a printing to check for print head slant (vertical
direction). Mechanical adjustment must be performed as
necessary.
"5.5.5 Head Slant
Check Menu 2" p.5-29
CW adjustment Prints out a printing to adjust uni-direction (CW
direction) printing between nozzles.
Low 1: PG Low 3-peak waveform
Low 2: PG Low 6-peak waveform
High 1: PG High 3-peak waveform
High 2: PG High 6-peak waveform
"5.5.6 CW
Adjustment" p.5-31
Repeatability
adjustment
Prints out a printing to align the positions of the repeated
printings.
Low 1: PG Low 3-peak waveform
Low 2: PG Low 6-peak waveform
High 1: PG High 3-peak waveform
High 2: PG High 6-peak waveform
"5.5.7 Repeatability
Adjustment Menu" p.5-
35
CCW adjustment Prints out a printing to adjust uni-direction (CCW
direction) printing between nozzles.
Low 1: PG Low 3-peak waveform
Low 2: PG Low 6-peak waveform
High 1: PG High 3-peak waveform
High 2: PG High 6-peak waveform
"5.5.8 CCW
Adjustment" p.5-38
Band feed correction Prints out a printing to correct the media feed amount for
each pass.
"5.5.9 Band Feed
Correction Menu" p.5-
41
Top & bottom
adjustment
Sets the top & bottom margins. "5.5.10 Top and
Bottom Adjustment
Menu" p.5-42
P_REAR sensor
position adjustment
Adjusts the P_REAR sensor position using cut media. "5.5.11 P_REAR
Sensor Position
Adjustment Menu" p.5-
43

Xerox 7142 Specifications

General

Brand	Xerox
Model	7142
Category	Printer
Language	English