Datamax M-Class Mark II Maintenance Manual page 59

Displayed Message
REFLECTIVE MODE
FAULTY SENSOR
RIBBON FAULT
STROBE TIMING FAULT
Troubleshooting
Fault Messages (continued)
Description
Consistently high
sensor readings have
occurred.
The thermal transfer
MEDIA TYPE is
selected, but Ribbon
Supply Hub movement
has not been detected.
A printhead clocking
problem has been
detected.
3-17
Possible Solution(s)
Press any key to continue then try
the following:
1) Retry calibration, ensuring the
reflective mark was inserted
facedown in the sensor during
the appropriate calibration step.
2) Ensure that the reflective mark is
made of carbon-based ink.
3) Clean the sensor (see Section
2.1.2) then retry calibration.
4) The sensor may be defective; see
Section 4.6.
5) The Main Logic PCB may be
defective; see Section 4.4.
Press any key to continue then try
the following:
1) Ensure that ribbon is correctly
loaded and that the printhead is
latched.
2) Check the ribbon hubs for
obstructions that could inhibit
movement.
3) Ensure that the ribbon core fits
snugly on the ribbon hub.
4) Ensure the media and ribbon
combination is correct.
5) The timing disk may be
defective; see Section 4.9.
6) Possible dirty ribbon sensor or
defective Main Logic PCB; see
Section 4.4.
Cycle power OFF and ON. If the
fault does not clear, replace the
Main Logic PCB; see Section 4.4.