Ricoh B286 Service Manual page 510

Overview
3. Cleaning Unit
4. Fusing Unit
5. OPC Drum
6. Manual Feed Table
7. Roll Feeder
8. Paper Cassette
9. Development Unit
B286/B289
The CIS scans the face-down original from below.
A counter blade cleans the drum.
The hot roller contains one halogen lamp. The machine
uses the applicable fusing temperature for the paper size
and paper type that the user input at the operation panel.
The components around the OPC drum do the charging,
image writing, development, transfer, separation, cleaning,
and quenching.
The user can feed paper from the manual feed table (this
is also referred to as the bypass tray).
Paper also feeds from the optional roll feeder with one or
two paper rolls installed.
Cut sheets are also supplied from the optional paper
cassette.
Toner transfers from a magnetic roller to the OPC drum.
An ID sensor controls the toner concentration.
6-2 SM