Cleaning
QL-300 User Guide 387
28 Turn the two belt unit locking keys clockwise to lock it.
29 Put the print cartridge set back into the printer.
Caution: There is a risk of pinching your fingers or hands when repositioning the print
cartridge set. Hold the handle parts of the basket for this operation.
30 Close the top cover.
Caution: When closing the top cover, there is a risk of pinching your fingers or hands in
the top cover or the top cover’s support. Press on the top of the top cover to close it.
Caution: There is a risk of pinching your fingers or hands if you hold the LED head while
closing the top cover. Press on the top of the top cover to close it.
Cleaning LED Heads
Clean the LED heads if the print results are blurry, white stripes appear, or if text is bleeding.