Technical Bulletin
tib 1006-001
RJ-900 Print Head Alignment
5 Self-Diagnosis Mode
RJ-901C/RJ-900C Maintenance Manual
5-32
3. Check the printed CW adjustment check patterns for the following points.
(The following shows a case for CW adjustment Low 1)
Print the patterns in the order of A&B / A&C / A&D / A&E / A&F / A&G / A&H.
A
1-1
4A
1A
4A
1A
%
B
Prints repeatedly for
the rest of nozzles
RJ-901C/RJ-900C Maintenance Manual
5 Self-Diagnosis Mode
5-33
A: Media feed direction
B: Adjust the setting value so that the printed dots are aligned at this connecting point.
C: The number shows the performed adjustment items.
1-1: CW adjustment Low 1
1-2: CW adjustment Low 2
2-1: CW adjustment High 1
2-2: CW adjustment High 2
* For CW adjustment Low 2, High 1 and High 2, perform adjustment using the same procedure.
** Detail on B is as follows. Make an adjustment so that the size of the gap A below is smaller than the
half size of the dot.
Gap A
Assumed center
position A
Assumed Center
Position B
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