Ribbon Sensor Fault - Datamax M-Class Mark II Maintenance Manual

3.2.1.2.2

Ribbon Sensor Fault

Step
Install ribbon. Set the MEDIA TYPE to Thermal
Transfer. Press FEED.
1
Is the ERROR Light ON?
Ensure that the ribbon core fits tightly on the
Ribbon Supply Hub. Press FEED.
2
Does the ribbon move forward without slipping
when FEED is pressed?
Troubleshooting
Procedure
3-7
Result Action
Yes Go to Step 2.
No Test complete.
1) Remove the
Thermal Transfer
assembly (see
Section 4.9) then
examine the timing
disk for wear, or
debris build-up on
Yes the sensor (Main
PCB). If necessary,
clean it or replace
the hub; or,
2) Replace the Main
Logic PCB (see
Section 4.4).
1) Install a ribbon with
the proper core
size;
2) Check the Ribbon
No Hubs for mechanical
binding; or,
3) Verify correct media
and ribbon
combination.