Ricoh Priport DX 4545 Operating Instructions Manual page 122

Troubleshooting
B
Unlock the lever and pull out the drum unit.
Reference
See p.74 "Changing the Color Drum Unit"
C
Remove the misfed paper.
5
D
Insert the drum unit until it locks in position, and then lower the drum unit
lock lever.
E
Close the front cover.
Reference
See p.109 "To prevent paper misfeeds".
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