158
Intermec EasyCoder 601 XP – Service Manual Ed. 3
Chapter 17 Troubleshooting
Description:
Transfer ribbon gets wrinkled.
Possible Causes and Suggested Remedies:
• Paper misalignment.
- Are all guides positioned so as to guide the paper web closely
along the printer's centre-line wall?
- Is the paper roll pressed as far in on the unwind unit as
possible?
• Ribbon path obstructed.
- Check that nothing obstructs the path of the transfer ribbon,
e.g. cables to the printhead or label-taken sensor.
• Wrong or uneven printhead pressure.
- Check that the headlift arm is centre-aligned in the relation
to the paper web, see chapter 8.9.
- Check the printhead pressure, see chapter 8.9. Decrease the
pressure somewhat and test for both wrinkles and printout
contrast. You may need to feed out 25–50 cm of ribbon (1-2 ft.)
before you can see any effect.
• Bad ribbon return roller adjustment.
- Check the adjustment of the ribbon return roller, see chapter
8.10. Do not change the adjustment before you have performed
all other checks mentioned above.
• Bad unwind bobbin alignment.
- Check that the ribbon unwind bobbin is centre-aligned in
relation to the transfer ribbon as described in chapter 7.2.
Description:
Transfer ribbon breaks.
Possible Causes and Suggested Remedies:
• Wrong brand of ribbon.
- Check if the transfer ribbon is an approved brand. If not,
recommend the customer to use approved brands only.
• Bad ribbon load.
- Check that the ribbon is loaded so it runs above the LSS guides.
• Wrong paper type setup.
- Check that the printer is set up correctly for the type of thermal
transfer ribbon in use, see Installation & Operation manual.
• Wrong printhead voltage.
- Check printhead voltage P24, see chapter 17.5.
• Wrong brake torque or broken brake spring.
- Check the brake torque of the ribbon unwind and rewind
shafts, see chapters 7.2 and 7.3.
- If the transfer ribbon is loaded so the spools rotate in the wrong
direction (i.e. c.w. instead of c.c.w.), the brake springs may
break. This typically occurs if the operator uses transfer
ribbons with the ink on the wrong side. Replace the damaged
unit.
17.13 Transfer Ribbon
Troubles