No Communications - Datamax M-Class Mark II Maintenance Manual

3.2.1.5

No Communications

Note: If troubleshooting an Ethernet equipped printer, refer to the documentation that

accompanied the option.
Step
Turn OFF the printer. Connect an interface
cable between the host and printer. Turn ON
1 the printer, and then send it a label format.
Did the label print?
Examine the label.
2
Is the label printed as designed?
Examine the communication parameters.
3
Have the same parameters been selected for
the printer and host?
Place the printer into Hex Dump Mode (see
Section 3.4) and then send it a label format.
4
Did Hex / ASCII data print?
Troubleshooting
Procedure
3-11
Result Action
Yes Go to Step 2.
No Go to Step 3.
Yes Test is complete.
Verify label setup and
format layout; for
missing data, check
No
image location,
memory allocations and
supported symbologies.
Yes Go to Step 4.
No Reconfigure to match.
Check control code
Yes selection and label
format.
1) Replace the
interface cable; or,
No
2) Replace the Main
Logic PCB (see
Section 4.4).