Cateye EC-3600, EC-3700 service manual ES-9Adjusting the Printing Darkness

Applicable Models: EC-1600EC-3700

ES-9Adjusting 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.

Upright Type	Recumbent Type	Control Unit
Control Unit
Cable Connector
		Cable Connector

Fig. 1	Fig. 2
DCV	PR
Potentiometer PR

Fig. 3

ES-9Adjusting the Printing Darkness

Cateye Ergociser Series 1000 Service Manual

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