5 Self-Diagnosis Mode RJ-901C/RJ-900C　 Maintenance Manual
5-36
3. Check the printed repeatability adjustment patterns for the following points.
* The pattern is printed with Bk row only.
(The following shows a case for repeatability adjustment Low 1)
A. Media feed direction
B. Adjust the setting value so that the printed dots are aligned at this connecting point.
* Also for repeatability 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.
4. If any abnormal conditions are found, identify the difference between the CW printing position and the
CCW printing position and enter the difference as the repeatability adjustment parameter.
Printing
direction
Printing
direction
Printing
direction
Printing
direction
Details of circled area
1-3
A
C
B (upper circle above)
B (lower circle above)
Gap A
Assumed center
position A
Assumed Center
Position B
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