Sato CL4xxe User Guide

EZ Manual CL4xxe

Electric Checks and Adjustments
Ribbon Clutch Adjustment
Print Head Position Alignment
Print Head Balance Adjustment

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This explains how to check levels of DC power supply,
I-mark sensor and gap sensor. Ensure that printer power
is off. Re move the LH cover and then perform the
following steps.

Additional equipment required

TP T est Module
Digital Multimeter

STEPS

EZ Manual: CL4xxe

Electric Checks
and Adjustments

2

1 Attach the connector from the TP T est Module to the

test port on the MAIN PCB. Note correct positioning
of connector. Nibs on the connector are placed down
on the PCB in the forward position.

2 Attach the ground probe of the Digital Multimeter to

the TP T est Module ground pin (GND PIN).

3 Attach positive probe of the Multimeter to the + SIG

PIN on the TP Test Module terminal.

4 Turn printer power on and rotate the dial to a position

0-5 on the TP T est Module by referring to the diagram
on the next page. Record the values from the Multimeter.

5 Confirm the recorded voltages are within the voltage

range. If not, replace parts or adjust sensor level. Refer
to Check and Adjustment chart.

6 Aft er p erforming test, put the LH cover b ack to

the printer.

Cable to PCB

Cable to TP T est Module

Ground PIN

SIG PIN Dial

TP Test Module

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EZ Manual: CL4xxe 3

Electric Checks and Adjustments

Chart 1

TP TEST POINT CHART

Dial test point Comment Voltage Voltage Range Check pin on TP Test Module and Main PCB Adjustment to VR

0 +5.0 VDC +4.8V to +5.2V CH3A(+5.0V) - CH1A(GND) N/A

1

DC power Supply

2 +3.3 VDC +3.1V to +3.5V CH5A(+3.3V) - CH1A(GND) N/A

3 +24.0 VDC +23.5V to +24.5V CH6A(+24.0V) - CH1A(GND) N/A

4 I-Mark Sensor Level CH1B(+8.4V) - CH1A(GND) VR5

5 Gap sensor Level CH2B - CH1A(GND) VR4

+2.0 VDC +1.9V to +2.1V CH4A(+2.0V) - CH1A(GND) N/A

Low level (Set the blank area

on the sensor) = A

High level (Set the I-mark

on the sensor) = B

High level - Low level =

A - B = m ore than +0.9V

Low level (Set the label backing liner or the

centre hole [in case of the centre hole tag]

on the sensor) = C

High level (Set the label or

tag on the sensor) = D

High level - Low level =

C - D = more than +0.9V

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