Operation; Paper Take-Up Control (Tray2); Paper Take-Up Control (Tray 3); Tray2 Paper Feed Control - Konica Minolta magicolor 8650 Service Manual

16. Paper feed section (Tray2, Tray3)

16.3 Operation

16.3.1

Paper take-up control (Tray2)

Transport motor (M1)
Paper feed tray 2 paper feed clutch (CL1)
Tim. roller clutch (CL6)
Sensor in front of tim. Roller (PS23)
16.3.2

Paper take-up control (Tray 3)

Transport motor (M1)
Paper feed tray 3 paper feed clutch (CL2)
Paper feed tray 3 vertical transport
sensor (PS16)
Paper feed tray 3 vertical transport
clutch (CL3)
Tim. roller clutch (CL6)
Sensor in front of tim. Roller (PS23)
16.3.3

Tray2 paper feed control

• To reduce paper misfeed involved with double feed, the paper feed tray 2 chain feed sen-
sor is provided at a point immediately after the paper feed tray 2 paper feed roller.
• If it takes shorter than a predetermined period of time for the fed paper to turn ON the
paper feed tray 2 chain feed sensor, the paper feed roller stops temporarily. After a lapse
of an appropriate time, the paper feed roller starts turning again.
Paper feed tray 2 paper feed roller
2nd sheet of paper
80
Print request is received
Print request is received
Theory of Operation Ver. 2.0 Nov. 2007
Timing roller rotation
Timing roller rotation
1st sheet of paper
Timing roller
Paper feed tray 2 chain feed sensor
(PS1)
4036ma2115c1
4038T2C138AA
A02ET2C572AA