Ricoh C211 Service Manual page 477

9. Electrical Timing
Master Eiect .
~ Trial Print
Main SW Set
Start Key
Start Key
"ON"
Paper "ON!!
llo~ll
Counter "()"
v v v v v
Paper Table Height SN
Paper Table Lower Limit SN
Paper End SN
Paper Table Motor Up
Main Motor Reversing
Right
Cutter SW
1st Drum Posltlon
SN
2nd Drum Posit Ion SN
Paper Feed Sol /
Prlntlng Pressure Sol
Main Motor Fowardlng
Right Cutter S W
1
1
1
I
I
TI :
When the paper end sensor is not actuated and the Master Making key (Start key: 830)
is pressed, the paper table up signal turns on RA303 and the paper table motor rotates to
raise the paper table. The paper table motor turns off when the paper table height
sensor turns on. At the same time, the main motor starts rotating in the reverse direction.
T2: After the master eject and master clamping process is completed and the cutter
motor is driven to the right position (right cutter switch ON) the paper feed solenoid
and the printing pressure solenoid turns on. It turns off when the second drum
position sensor turns on.
T3: When the Print Start key (Start key: 830) is pressed, the main motor starts rotating.
When the second drum position sensor turns on, the paper feed solenoid and the
printing pressure solenoid turn on again to start printing. The paper feed solenoid
and the printing pressure solenoid turn off when the copy counter indicates "O'.
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