Muton ValuejetVJ-1604, Maintenance Manual

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7 Adjustment VJ-1604 Maintenance Manual
Rev.-00 7-36
7. If the carriage passes over the 1.42mm part of the PG height check jig, loosen the screws (2 pieces on
each side) on the left and right side of the carriage that retain the head UD collar to lower the PG.
8. Loosen ths screws (2 pieces on each side) that retain the head UD collar to fix the height of the head.
9. Move the carriage back to the origin.
10. Close all the covers.
7.9 P_EDGE Sensor Sensitivity Adjustment
This section describes the procedure to adjust the P_EDGE sensor sensitivity.
When you have removed and installed the P_EDGE sensor or the MAIN board assembly, adjust the P_EDGE
sensor sensitivity.
NOTE
• When you adjust the P_EDGE sensor sensitivity, note the following;
• Any ambient light, such as sun light or room light, does not interfere with the sensor.
• Keep the media holding lever down so that the media is stable on the sensor during adjustment.
If media is not securely held, the sensor detection accuracy may be decreased.
• Use non-conductive screwdriver when operating the trimmer on the MAIN board assembly.
If a conductive screwdriver contacts with electronic component on the MAIN board or frame,
it may cause a short-circuit.
No. Part name
1 Head UD collar
2 Screws that retain the head UD collar (pan-head
screw with spring washer and flat washer M3 x 8)
3 Carriage
1 3
2 1 2
Left view Right view
3