Ricoh D124-17 Service Manual page 128

2. Installation
10. Set the other paper holder on the left end of the shaft:
• While pressing in with your hand on the right end of the paper roll, press the left paper holder
with your other hand until the right end of the roll is against the right paper holder.
• Lower and lock the lever of the left paper holder.
11. Set the paper rolls in the roll units.
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