Function Of Each Part - Toshiba DP1600 Service Manual

9.5 Function of Each Part

(1) Tray-up assembly
The tray-up assembly turns the tray lift shaft of the paper cassette to lift the paper tray.
(2) Pickup roller
The pickup roller transports the paper from the paper cassette. The power of the pickup feed roller is
transmitted to the pickup roller through the belt for rotation.
(3) Pickup feed roller
The pickup feed roller transports the paper, which has been transported by the pickup roller, to the PU
guide assembly. When the pickup clutch is turned ON, the power of the main motor is transmitted to
the pickup feed roller for rotation.
(4) Separate roller
When two or more sheets of paper have been transported by the pickup roller, the separate roller
allows only the top sheet of paper to pass due to the coefficient of friction between the pickup feed
roller, paper, and separate roller. When a single sheet of paper has been transported, the separate
roller turns by means of the power of the pickup feed roller.
(5) Pickup clutch
When transporting the paper from the paper cassette, the clutch is turned ON to transmit the power of
the main motor to the pickup feed roller.
(6) Main drive gear assembly
The main motor gear assembly transmits the power of the main motor to the paper feed roller and feed
roller.
(7) Main motor
The main motor is a power source for paper feed roller 1 and the feed roller.
(8) Registration roller
The registration roller transports the paper from the PU guide assembly to the development section.
When the registration roller clutch is turned ON, the power of the main motor is transmitted to the
registration roller for rotation.
(9) Registration roller clutch
When transporting the paper from the transfer section to the exit roller, the registration roller clutch is
turned ON to transmit the power of the main motor to registration roller.
December 2000 © TOSHIBA TEC 9 - 7 1600/2000/2500 PAPER FEEDING SYSTEM