Zebra 3742 Service Manual download pdf (Page 35)

Ribbon Out Sensor Replacement 980357-210A

Preparations

Protect against static discharge. Your work area must be static-safe and include

a properly grounded conductive cushioned mat to hold the printer and a

conductive wrist strap for yourself.

1. Open the cover, then remove media

and ribbon from the printer.

2. Follow the removal steps of

the Media Frame Replacement

procedure (980357-207).

3. Follow the removal steps of the

Print Head Replacement pro-

cedure (980357-290).

Removal

1. Use a #0 Phillips driver to remove the

screw 1 that holds the sensor 2 to the

cross brace

2. Detach the carriage

" by flexing the

joints.

3. Use a #0 Phillips driver to remove the

two screws 34 that hold the wire plate

# to the carriage.

4. Detach the cable 5 connector from

location J4 on the main PCBA. Unwind

the ribbon cable from the print head

wires. Then, pull the sensor, cable and

connector free of the carriage.

980357-001 Rev. A 27

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Zebra 3742 Service Manual Page 35