Zebra 3742 Service Manual download pdf (Page 54)

Print Head Replacement 980357-290A

Swapping the Cables

1. Follow the removal

steps of the Media

Frame Replacement

procedure (980357-207)

2. Detach the top

carriage

# from

the bottom frame

3. Use a #0 Phillips driver to remove the

two screws 34 that hold the wire plate

5 to the carriage.

4. Detach the cable connector 6 from its

location on the main PCBA. Unwind

the ribbon cable from the print head

wires. Then, pull the print head cable

free of the carriage.

5. Attach the new cable connector to its location on the main PCBA. Wind the ribbon cable and

the print head wires.

Connector PCBA Location Bundle/Cable Connects to

White, in-line J2 Print head (Rohm™)

Black, dual-line J3 Print head (Kyocera™)

6. Attach the new cable connector to its location on the main PCBA. Wind the ribbon cable and

the print head wires.

7. 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.

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

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

Assembling the Printer

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

2. Do the installation 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.

46 980357-001 Rev. A

MOVIE

1 2 ... 49 50 51 52 53 54 55 56

No comments

Zebra 3742 Service Manual Page 54