Adjusting Paper Sensor - Citizen CT-S4000L User Manual

3 Save the selected Paper Type to the Printer.
Open and close the printer cover. By this operation, selected paper type is stored in
the printer memory and the Selecting Paper Type mode is terminated.
Since then, "P.Length Set" of Memory switch 4-1 becomes disable.
When closing the printer cover during the setting a Black Mark paper or label paper
in the printer, paper length is measured, and the result will be printed out.
* If Paper Detection error occurs at the measurement of paper length, the printer
automatically enters Adjusting Paper Sensor mode. Adjust the sensor in
accordance with "5-5 Adjusting Paper Sensor".

5.5 Adjusting Paper Sensor

Before using Black Mark paper (BM paper) or label, adjust the Paper sensor. First,
hold the lever at the upper end of the sensor adjustment control cover located at the
left of the Power switch and press the lever down and toward the front to remove the
cover from the printer.
As shown below, the most left one is a label paper sensor adjuster, the next is Black
Mark paper sensor adjuster, and the right one is a level indicator LED. Adjust them in
the following procedure.
Metal frame
Level indicator LED
Label paper sensor Black Mark paper
adjuster sensor adjuster
1 Enter Adjusting Paper Sensor mode.
Open the printer cover, remove paper, and then set the printer power switch to ON.
Here, POWER LED and ERROR LED go on with the buzzer sound. Then close the
printer cover while pressing the FEED button. The ERROR LED starts blinking with
the buzzer sound.
2 Set Paper to be adjusted to the Printer.
This printer has three types of built-in paper sensors.
In case of label, set it so that label is positioned on the label light receiving sensor
and label light emitting sensor. In case of Black Mark paper, set it so that the printable
portion (other than black mark) is positioned on the Black Mark sensor. With this
state kept, closing the printer cover causes ERROR LED to blink with the buzzer
sound.
Black Mark sensor
3 Adjust Paper Sensor.
Turn the corresponding adjuster counterclockwise by using a tapered flat screwdriver.
Set the adjuster at the position where LED begins to change from orange to green.
Turning the adjuster
counterclockwise
Green
* While turning the adjuster by the screwdriver, do not let the part of the
screwdriver touch the metal frame. Otherwise proper LED light color will not
be displayed while touching.
4 Perform Paper Measuring operation
When the FEED button is pressed, label is fed and paper measuring is carried.If the
FEED button is presed during the paper measuring, the result will be printed out as
follows, and the printer memory switch will be initialized.
* The measuring result is a reference value
Label Length
Gap Length
< Example of label measuring result >
Label light receiving sensor
Label light emitting sensor
Orange Red
: XXXmm
showing a label length
: XXmm
showing a gap between labels