MUTOH RJ-900 User Manual

Technical Bulletin
tib 1006-001
RJ-900 Print Head Alignment
5 Self-Diagnosis Mode RJ-901C/RJ-900C Maintenance Manual
5-34
4. If any abnormal conditions are found, identify the gap of the print positions and enter it as the CW
adjustment parameter.
After entering the parameter, make the machine print out the check patterns again as necessary.
(The following shows a case for CW adjustment Low 1)
Media set
Head Gap change
Finish media initialization
Finish printing
If media is not set
If the head height alignment does not
meet the specification of the adjustment item.
Displayed during adjustment printing
Press [Setting/value +] or [Setting/value -]
key to input valueޓ
1 pulse (= 1/720 inch) increments
Previous menu
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ALL
Toucan LT Step 5: Uni-directional Alignment
Example, circled above is shown below is Black to Magenta (1A-3A). Repeat
for all other colors. Perform adjustment in center of focal point of images.
Ideal
In Spec Out of Spec Out of Spec
In Spec
No
Correction
Necessary
Within 1/2 dot
tolerance, slight
adjustment toward
ideal will improve
image quality.
Within 1/2 dot
tolerance, slight
adjustment toward
ideal will improve
image quality.
Align this condition
by changing the
number on the LCD
to a larger (less
negative) number.
Align this condition
by changing the
number on the LCD
to a smaller (more
negative) number.
2A
to
1A
2B
to
1B
3A
to
1A
3B
to
1B
4B
to
1B
4A
to
1A
5B
to
1B
5A
to
1A
6A
to
1A
6B
to
1B
Alignment note: 1 dot equals 9 increments on the display. Test one color and reprint pattern first.
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MUTOH RJ-900 Specifications

General

Brand	MUTOH
Model	RJ-900
Category	Printer
Language	English