Adjusting Position Of Roll Paper Near End Detector - Epson U220B - TM Two-color Dot-matrix Printer Technical Reference Manual
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5. Tighten the spacer with two screws included with the guide. (See figure above.)
6. Set the memory switch (customize value) for the paper width. (See "Memory Switches"
(page 3-19))
3.4.6 Adjusting Position of Roll Paper Near End Detector
Below are two reasons for the roll paper to require an NE detector adjustment.
To adjust the location of detection for the diameter of the roll paper core.
To adjust the amount of remaining paper.
The procedure is as following.
1. Make sure the power supply is disconnected.
2. Open the roll paper cover, and remove the paper roll.
3. Loosen the detector adjustment screw with a coin or similar tool.
4. Adjust the detector by sliding the lever in the direction shown below.
Detector
adjustment screw
Detector lever
The table below shows the point at which the near-end detector is triggered. Note that this
figure is a calculated value, and there may be some variations, depending on the printer.
Detection point of roll paper near-end
Detector position (attaching point of
the detector adjustment lever )
#1 setting
#2 setting
5. Tighten the detector adjustment screw.
6. Check to be sure that the detecting lever moves freely.
Rev. D
Seeing at outside for roll paper spacer
Trigger point (included the thickness of paper roll core)
Approx. 8 mm
Approx. 5 mm
TM-U220 Technical Reference Guide
Knob
#1 setting
#2 setting
Setup 3-27
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