Canon TC-20 Online Manual page 47

Top View (with roll loaded)
A: Roll Holder
When the roll is loaded into the printer, it is attached and secured on either side of the roll paper.
Loading Rolls in the Printer
B: Slide Guide
Slide the roll holder over this guide to load the roll into the printer.
C: Roll Holder Slot
The roll holder shafts mounted on either side of the roll are set in these slots.
D: Roll Holder Support
Move this left or right when changing the width of the roll to be set.
Moving the Roll Holder Support
E: Feed Cover Rollers
When feeding roll paper, these rollers help carry the paper to the paper retainer.
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