Oki B721 Maintenance Manual page 177

Oki Data CONFIDENTIAL
382, 383, 385
Open Cover
Paper Jam
Top Cover
Remedy when the above messages are displayed
(1) Insert your finger into the recess on the right side of the printer and pull the front
cover open lever to open the front cover forward.
Front cover
(2) Open the top cover.
45487001TH Rev.1
639, 640
Open Cover
Paper Remain
Top Cover
Front cover open lever
Top cover
(3) Remove ID unit and place it on new paper etc. on a flat surface.
ID unit
(4) Cover the removed ID unit with paper so that it will not exposed to light.
(5) Remove the jammed paper remaining inside of the unit.
6. Troubleshooting procedure
6-44 /