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2-1-2
Figure 2-1-2 FRR System
The feed roller is driven counter-clockwise on the shaft in this system.
The retard roller has a torque limiter (one-way clutch) at one side to drive the roller freely from the shaft so that it rotates
counter-clockwise with the friction applied from the feed roller via paper.
Figure 2-1-3
If one sheet of more paper is fed coincidentally and pinched between the rollers, friction between paper is small and there
is no friction between the rollers. Then, the retartd roller stops at the work of the torque limiter. The feed roller continues
paper feed from the most upper paper source of the printer and the retard roller stops the second paper and prevents multi
feed.
Figure 2-1-4
Feed roller
Retard roller
One-way
clutch
Feed roller
Retard roller
Direction
at shaft
Direction
at shaft
Paper
Feed roller
Retard roller
Direction
at shaft
Direction
at shaft
Top paper
Second paper
Summary of Contents for PG L2555
Page 1: ...SERVICE MANUAL PG L2555 PG L2550 PG L2545 PF 320 PF 3100...
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Page 27: ...1 1 14 This page is intentionally left blank...
Page 43: ...1 2 16 This page is intentionally left blank...
Page 67: ...1 3 24 This page is intentionally left blank...
Page 107: ...1 4 40 This page is intentionally left blank...
Page 109: ...1 5 2 Figure 1 5 2...
Page 139: ...1 5 32 This page is intentionally left blank...
Page 194: ...2 4 12 This page is intentionally left blank...
Page 199: ...Installation Guide 500 sheets paper feeder Installation Guide...
Page 201: ...Printed in China 303NY5631002 Rev 1 2012 8 G G G G G G...
Page 202: ...2000 sheets bulk feeder Installation Guide...
Page 204: ...Printed in China 303KF5632002 Rev 1 2012 7 1 2 3 4 1 2 3 1mm PF 315...
Page 205: ...SSD HD 6 HD 7 Installation Guide...
Page 206: ......
Page 207: ......
Page 208: ...IEEE1284 Interface Installation Guide...
Page 211: ...Network interface Installation Guide...
Page 214: ......
Page 215: ...OS...
Page 216: ...Wireless LAN interface Installation Guide...
Page 219: ...SERVICE MANUAL Published in August 2012 843NY110 3NYSM060 First Edition PF 320...
Page 224: ...1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path...
Page 249: ...SERVICE MANUAL Published in August 2016 843S3110 3S3SM060 First edition PF 3100...
Page 252: ...2 4 Appendixes 2 4 1 Wiring diagram 2 4 1...
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