Zebra 3742 Service Manual download pdf (Page 17)

TROUBLESHOOTING GUIDE

PROBLEMS SOLUTIONS

Status indicator does

not light when power

switch is on (I)

1. Check power connections from the printer to the outlet.

2. Remove power supply and check fuse. If blown, remove the power

supply and return it to the manufacturer. Install a new power supply.

Printer is in dump

mode but nothing

prints after sending

file.

1. File does not contain a form feed code that will advance sheet. Press

the Feed button to print data in the printer’s buffer.

ASCII characters print

in place of expected

label art and bar

codes.

1. Printer may be in dump mode. Press the Feed button to reset to

normal operation.

2. Check serial port configuration using the Y command. See the EPL2

programmer’s manual.

Printing is uniformly

faded or poor quality.

1. Wipe the print head with the cleaning pen.

2. Adjust print speed/darkness in software or with programming.

3. Check the roll and verify that the media print surface is facing up.

4. Verify that the correct combination thermal transfer ribbon and

media are in use.

980357-001 Rev. A 9

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Zebra 3742 Service Manual Page 17