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Unit 4: Printer Configuration
CT4i Series Operator Manual 4-16
4.10 POTENTIOMETER ADJUSTMENTS (CONT’D)
Print Darkness
A fine adjustment for PRINT DARKNESS can be made using potentiometer VR1 on the Front Operator
Panel. It provides a continuous range of adjustment, allowing you to make precise changes. Turning
VR1 clockwise will make the print darker, and counterclockwise will make it lighter.
1. Place DSW6 on the Configuration Switch in the ON position.
2. Turn the Power Switch OFF.
3. While pressing the FEED button on the Operator Panel, turn the Power Switch ON.
4. When you hear one beep from the printer, release the FEED button.
5. Press the LINE button to begin printing large Test Labels (press the FEED button if you are using
labels smaller than 4.1" (104 mm) in width).
6. Adjust potentiometer VR1 until the desired print darkness is obtained.
7. Press the FEED button to stop the printing.
Adjustment of the Print Darkness using VR1 will affect the darkness range adjustable using the PCL
command @PJL SET SPEED= [2 - 4]. That is, if the print darkness is adjusted with VR1 for lighter print,
the darkness will be lighter in all the Print Darkness ranges selected by the @PJL SET SPEED
command.