Adjusting The Paper Roll Near-End Sensor - Epson TM-T88VII Technical Reference Manual

Adjusting the Paper Roll Near-End Sensor

Below are two situations where a roll paper NE sensor adjustment is required.
• To adjust the detection position to suit the diameter of the roll paper core used.
• To adjust the detection position of remaining amount of paper.
• Since roll paper cores vary slightly in shape, depending on paper roll design and manufacturing
• To let the NE sensor detect remaining amount of paper accurately, it is recommended to use a roll
• An outer diameter of a paper roll that is detected as near-end varies by usage environment, and/or
Follow the steps below to adjust the roll paper near-end sensor.
1
Open the roll paper cover, and remove the roll paper.
2
Loosen the adjustment screw fastening the sensor, and then operate the knob to
align the top edge of the positioning plate with the upper or lower level.
Adjustment position
Outer diameter of a roll to
be detected as near-end
Position of the positioning
plate
tolerances, it is impossible to detect the remaining paper exactly.
paper with a core inner diameter of 12 mm {0.47"} and outer diameter of 18 mm {0.71"}.
paper specifications. Please check operation of the NE sensor by yourself.
Approx. 27 {1.06"}
Upper
Knob
Chapter 2 Setup
Lower
Approx. 23 {0.97"}
For wall-hanging
Detection lever
Positioning plate
Adjustment screw
For horizontal installation
Adjustment screw
Positioning plate
Detection lever
31