Cleaning
QL-300 User Guide 362
9 While restraining the tension bar with one hand, use a lint-free cloth moistened with alcohol
to wipe, in one direction, the dirt off the tension bar (1).
Use the hand that is restraining the tension bar to rotate it (2) as you finish cleaning each
side, until the entire tension bar is clean.
10 While rotating the guide-side-roller-F, use a lint-free cloth moistened with alcohol to wipe
any dirt off the sides and corners of the guide-side-roller-F.
11 Press down on the tension bar open lever until it clicks.