Paper Separation Operation; Manual Feeding Operation; Cassette Feeding Operation - Toshiba 1550 Service Manual

(A) Manual feeding operation
Paper manually inserted pushes the aligning switch 3.
•
When the PRINT key is pressed, the main motor starts rotating and the aligning roller clutch !¡ is
•
energized, causing the paper to be sent to the transfer process.
(B) Cassette feeding operation
• Electromagnetic clutches (feed roller clutch and pick-up roller clutch) are energized to rotate the
pick-up roller 4 and feed roller 5, starting paper feeding.
Electromagnetic clutch !™ for the pick-up roller is de-energized, with the paper left pushing the
•
aligning switch 3.
The paper is aligned by the aligning rollers 1 and 2, the electromagnetic clutch !£ for the feed
•
roller is de-energized, the aligning roller clutch !¡ comes ON, then the paper is sent to the trans-
fer process.
8.2.2

Paper separation operation

Since no paper separation claws are used in the
cassette, a paper separation roller is installed in-
side the machine. The separation roller section
consists of a paper feed roller, one-way clutch,
separation roller spring joint, etc., as shown.
The feed roller is equipped with a weight and ro-
tates in the direction of the arrow (
timing with the pick-up roller.
The separation roller shaft, equipped with a torque
limiter based on a spring joint, is designed to rotate
in the direction of the arrow (
its rotation to the separation roller through the spring
joint.
Mar. 1998 © TOSHIBA
) at the same
) and transmits
8 - 3
One-way clutch
Feed roller
Spring joint
(torque limiter)
Separation roller
1550/1560 FEEDER