High Capacity Feeder (Hcf) - Lexmark C910 Service Manual

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High Capacity Feeder (HCF)

Paper Feed and Separation Mechanism

The high capacity feeder consists of a tray and paper transfer

mechanisms. The paper feed and separation mechanism uses a

friction roller separation and paper feed system with a non-contact

magnet type maintenance-free torque limiter.

When the paper feed clutch turns on, the paper feed roller shaft

rotates and the paper feed roller is driven with the one-way clutch.

The call roller rotates with the relay gears to feed the top paper. The

reverse roller rotates along with the paper feed roller.

During paper feed, if two sheets feed, the reverse roller rotates by

the torque limiter, returning the lower sheet. When the paper feed

sensor (reflection type sensor) detects the paper, the pickup

solenoid turns off to raise the call roller, transferring the paper to the

registration roller.

Service Manual