CITIZEN CT-S651 - Manual (Page 29)

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Change the settings of the paper near-end sensor to set the position at which
the near-end of the paper is detected.
1. Use a pointed object, such as a pen, to gently press the button to change the paper
near-end sensor.
2. Press and hold down the button while moving the paper near-end sensor up and
down. The sensor positions are shown below for the various diameters of the paper
roll used.
Note:
*: Position of sensor when shipped from factory. However, factory settings differ depending on the
destination market.
3.7 Adjusting the Paper Near-end Sensor
(Unit: mm)
Sensor position
Exterior diameter when detected as
near end
Exterior/ interior diameter of core of
paper roll used
A Approximately
φ31 φ18/φ12
B * Approximately
φ23 φ18/φ12
C Paper near-end sensor function is off
CAUTION
The diameter of the roll of paper that is detected is an estimate. Some variations may
occur depending on the paper.
Button to change paper
near-end sensor