Basic Cassette; Pick-Up Roller; Stopper Roller; Registration Roller - Ricoh G186 Service Manual

System Layout

Basic cassette

Center loading method utilized with friction pad separation. Paper size detection based
upon first sheet size detected by printer controller. Both the side guide and the rear guide
can be adjusted for various types of paper from A5 to legal size paper. Paper sensing;
(capacity: 500 sheets of general paper); paper arranging; SCF (Second Cassette Feeder)
paper path; and remaining paper display functions. Remaining paper indicator located on
front of machine on right side of paper drawer.

Pick-up roller

Paper pickup; driving control, paper feeding; and electronic static removal.

Stopper roller

Arrangement method utilizing a stopper roller and a weight without electric actuator. Paper
separation, driving control; and multi-feeding prevention functionality.

Registration roller

Paper arranging; paper transferring; paper detecting; jam removal, and other functions.

By-pass tray

Paper arranging; paper transferring; jam removal; and other functions. Rubbing pad
method enabling feed of 100 sheets of general paper or ten envelops. By-pass extends to
300mm to accommodate legal size paper.

Duplex unit

Paper transferring; paper guide; jam removing; paper sensing; and main board supporting
functions. Basic attachment ready; duplex feeding utilizes side feeding method. Usable
paper sizes are A4, letter, and legal size paper.
For jam clearing at front of machine, design facilitates accessibility. Jam clearing at back of
machine via rear cover. (Note that if the upper tray is open, the duplex option cannot be
used.)

SCF (Second Cassette Feeder)

Common driving mechanism for both SCF and main cassette (which has a capacity of 500
sheets).

6.2.2 TRANSFER

Consisting of PTL (Pre-transfer Lamp) and transfer roller. A PTL throws light on the OPC
drum, lowers the electric potential of the OPC drum's surface, and improves the efficiency
of the transfer. A transfer roller transfers toner on an OPC drum to the paper.
G186 6-4 SM