Citizen CT-S801 - Adjusting the Paper Near-end Sensor; Sensor Adjustment Procedure; Sensor Position Guidelines

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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, down,
right and left. 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.
3.10 Adjusting the Paper Near-end Sensor
When paper thickness is 75 µm or less (Unit: mm)
Sensor position
Exterior diameter when detected as
near end
Exterior/ interior diameter of core
of paper roll used
A, a Approximately 31 18/12
B
*, b Approximately 23 18/12
C Paper near-end sensor function is off
When paper thickness is 75 µm or more (Unit: mm)
Sensor position
Exterior diameter when detected as
near end
Exterior/ interior diameter of core
of paper roll used
A, a Approximately 41 32/25.4
B
*, b Approximately 34 32/25.4
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
(“A” and “B” are for horizontal installations, and “a” and “b” are for vertical or
wall installations.)