Ricoh B286, Service Manual

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