Microcom 814M Operators Manual - Manual (Page 18)

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3.4.2 Presenter Parts Explanation
1. Paper loading sensor –Used to detect paper status.
2. Prsln Sensor (optional) –Used to detect whether paper is retracted.
Caution: Paper sensor may be ineffective if exposed to direct sunlight!
3.5 Paper Holder
3.5.1 Paper Holder Appearance
1. --Paper roll shaft
2. --Paper roll support
3. --Paper near end sensor
4. --Paper near end sensor inter-connective socket
5. --Paper roll locating block (each one on the left and right)
3.5.2 Paper Holder Module Explanation
1. Paper near end sensor
− User may check paper status by sending inquiry command (refer to “command set” for details) to
the printer.
− Users can adjust the position of paper near end sensor to control the amount of remaining paper
according to different paper roll diameters (see figure 3-12 and 3-13). To adjust the sensor, please
loosen the two retaining screws and move the positioning board up or along the slide track then
re-tighten the screws.
2. Paper roll shaft
− Paper roll supports (2) are needed when a paper roll with a 50mm ID is used. For paper roll with
25mm ID, use only the paper roll shaft (1).
Figure 3-13 Vertical Paper Roll Holder Appearance
Figure 3-12 Horizontal Paper Roll Holder Appearance