Citizen CT-S4500 User Manual page 58

Transmissive Sensor Adjustment

Adjust the position of the bottom sensor and upper sensor in accordance with the
media width.
Move the bottom sensor and upper sensor by the same number of steps from the position of
the triangle ().
Upper sensor
variable range
The range of bottom sensor and upper sensor horizontal adjustment is 10 steps between the
triangle marks ().
Use a pen or other object with a narrow tip to unlock the bottom sensor and then reposition it.
Lock the sensor in place once the new position has been determined.
CAUTION
 The bottom sensor and upper sensor must be in alignment with each other.
 Attempting to move the sensor while still locked may damage it.
Reflective Sensor Adjustment
 Set the bottom sensor at a position where the center of the sensor window is in align-
ment with the center of the black mark.
Thermal head
Black mark
(Reverse side)
Bottom sensor
variable range
Media (Face side)
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Bottom sensor lock
Platen roller