Zebra 3742 Service Manual download pdf (Page 45)

Main Printed Circuit Board Assembly (PCBA) Replacement 980357-216A

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. Do the removal steps of the Media FrameReplacement procedure (980357-207).

2. Do the removal steps of the Print Mechanism Replacement procedure (980357-212).

Removal

1. Use a #1 Phillips to remove the screws

that secure the PCBA to the bottom

case. The wide printer has five screws

and the narrow printer has four screws.

2. Lift the metal bracket (with the interface

ports) to release the metal bracket; then,

work the board out of the bottom case.

Assembly

1. Lower the PCBA into place and insert

the rear metal bracket (with the interface

ports) into its slot on the bottom case.

2. Install the screws that secure the PCBA

to the bottom case and use a #1 Phillips

driver to tighten them.

980357-001 Rev. A 37

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Zebra 3742 Service Manual Page 45