Rev. E Setup 3-25
TM-U220 Technical Reference Guide
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 3-17))
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.
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.
5. Tighten the detector adjustment screw.
6. Check to be sure that the detecting lever moves freely.
Detection point of roll paper near-end
Detector position (attaching point of
the detector adjustment lever ) Trigger point (included the thickness of paper roll core)
#1 setting Approx. 8 mm
#2 setting Approx. 5 mm
Detector
adjustment screw
Knob
#2 setting
#1 setting
Detector lever
Seeing at outside for roll paper spacer
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