QuickLabel Systems QL-300 - Print Quality Is Poor

Troubleshooting
QL-300 User Guide 302
Print Quality Is Poor
Symptom Cause Troubleshooting
White stripe in perpendicular direc-
tion.
Paper feed direction
LED head is unclean. Wipe LED head with a soft tissue
paper.
See “Cleaning LED Heads” on
page 387.
Low toner. Replace the print cartridge.
See “Replacing Print Cartridges”
on page 322.
Deposit of foreign substances. Replace the print cartridge.
See “Replacing Print Cartridges”
on page 322.
Window film on print cartridge is
dirty.
Wipe window film with a soft tissue
paper.
See “Cleaning LED Heads” on
page 387.
Print cartridge has not been set
correctly.
Please set the print cartridge cor-
rectly.
See “Cleaning LED Heads” on
page 387.