CatEye EC-3600 - Manual (Page 35)

Cateye Ergociser Series 1000 Service Manual
33
EC-1200 EC-1600 EC-3600 EC-3700 Applicable Models:
DCV PR
ES-9
ES-9
Upright Type
Control Unit
Cable Connector
Adjusting the Printing Darkness
1. Remove the control unit from the main unit. (Fig. 1)
2. Loosen four screws on the bottom of the control unit, and
remove the cable connector from the unit. (Fig. 1)
3. Remove the black metal base on the bottom of the control unit.
(Fig. 2)
4. Provisionally connect the 5P connector on the bottom of the
control unit to the main unit.
5. Turn on the power. Check if the printer symbol appears on the
LCD panel and the printer is in the operating condition.
6. Check if the thermal paper is set in position.
7. Adjustment should be done with the control unit positioned
horizontally. Press the ADV button on the control panel twice
to perform a test printing. A counter-clockwise turn of the
potentiometer PR on the bottom of the control unit will
decrease the darkness, while a clockwise turn will increase it
(Fig. 2). Set it to an appropriate darkness level. (An extreme
clockwise turn of the potentiometer may distort the printed
characters.)
NOTE: Never touch the potentiometer DCV.
Recumbent Type Control Unit
Cable Connector
Fig. 2 Fig. 1
Potentiometer PR
Fig. 3
Adjusting the Printing Darkness