Ricoh Priport DX 4545 Operating Instructions Manual page 128

Troubleshooting
B
Unlock the lever and then pull out the drum unit.
Reference
See p.74 "Changing the Color Drum Unit"
C
Remove the misfed paper from inside.
5
D
Insert the drum until it locks into position, and then lower the lock lever.
E
Close the front cover.
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