P_Rear Sensor Sensitivity Adjustment - MUTOH ValueJet 1604 Service Manual

7 Adjustment
10. Move the carriage so that the P_EDGE sensor is moved from the media setting position to the non-
reflective tape area.
11. Check that the value displayed in the operation panel is "80" or less.
12. Move the carriage back to the origin.
13. Close all the covers.

7.11 P_REAR Sensor Sensitivity Adjustment

This section describes the procedure for adjusting sensor sensitivity.
When the replacement of the following sensors or the main board assembly is performed, perform adjustment
of the P_REAR sensor.
• P_EDGE sensor
• P_REAR sensor
• When you adjust the sensor sensitivity, note the followings:
• Perform work in a location where external light from sunlight and other lighting will not affect
the sensor.
• During media adjustment, lower the lever so that the media is in contact. If the media is not
securely held, the sensor detection accuracy may be adversely affected.
• When operating the volume on the main board assembly, use a non-conductive screwdriver.
• If a conductive screwdriver touches electronic parts on the main board or metal components
such as the frame, there will be a possibility that a short circuit will occur.
Rev.-05
No. Part name
1 Platen
2
Non-reflective tape
7-44
VJ-1604 Maintenance Manual
1
2