Citizen CL-S521 User Manual page 41

Sensor Selection Method
(Transparent Reflective)
(p.39)
Adjusting the Reflective sensor
1. Open the printhead and the sensor arm, then align the position
of the sensor marker of the bottom sensor is at the center of
the black mark on the media.
Bottom sensor
Black mark
2. Select the reflective sensor.
3. With the reflective sensor selected, install the label media so
that it is between the platen roller and the media sensor.
(Be careful that black mark and media gap do not pass the media
sensor.) Then close the sensor arm and the printhead.
Bottom sensor
4. If the PAUSE key is pressed and released while the MODE/
REPEAT key is pressed, PRINT LED goes off, the CONDITION
LED switches from lit to rapid flashing, media feeding starts,
and the sensor is automatically adjusted.
5. If automatic adjustment stops normally, the PRINT LED and
CONDITION LED return to their original status. If it does not
stop normally (adjustment impossible), the CONDITION LED
and ERROR LED flash.
6. If the STOP key is pushed, it exits sensor adjustment mode.
41
Printer Adjustments
Media
Reflective sensor marker
Label
Liner media
Black mark
Sensor Adjustments
Black mark