Ricoh DX 4542 Operating Instructions Manual page 120

Troubleshooting
C
Unlock the lever and pull out the drum unit.
Reference
See p.70 "Changing the Colour Drum Unit"
D
Remove the paper from the inside.
5
E
Insert the drum unit until it locks in position, and then lower the drum unit
lock lever.
F
Close the front cover.
104
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