Zebra 3742 Service Manual download pdf (Page 36)

Ribbon Out Sensor Replacement (continued) 980357-210A

Installation

1. Insert the connector through the carriage from the top to the bottom. Route the ribbon cable

around the print head wires. Then, plug the connector into location J4 on the main PCBA.

2. Align the wire plate into place and use a #0 Phillips driver to tighten the two screws that

secure it to the bottom of the cross brace.

3. Align the sensor into position and use a #0 Phillips driver to tighten the screw that secures it to

the top of the cross brace.

4. Attach the carriage by snapping the joints back into place

5. Replace the ribbon detent springs at the rear of the printing mechanism.

Assembling the Printer

1. Follow the installation steps of the Print Head Replacement procedure (980357-290).

2. Follow the removal steps of the Media Frame Replacement procedure (980357-207).

3. Reload media and ribbon. Plug in the power cord, turn on the printer and run the AutoSense

routine to get a dump mode printout.

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Zebra 3742 Service Manual Page 36