7.As the pickup arm lowers, the cassette pickup roller touches the surface of the paper stack.

8.One sheet of paper feeds into the product.

Figure 1-34Cassette-pickup mechanism

DC controller

 

 

Cassette pickup cam

 

Pickup motor

M13

 

 

Cassette feed roller

 

Cassette feed roller

 

 

Cassette pickup roller

 

 

 

 

 

Pickup arm

SL1

Cassette pickup solenoid

Cassette pickup roller

 

 

 

 

Cassette pickup solenoid

 

 

Cassette separation roller

Pickup arm Cassette separation roller

Cassette-presence detection

The product detects the size of the paper loaded in the cassette and the presence of the cassette by monitoring the cassette media size switch. The DC controller notifies the formatter when it determines the absence of the cassette.

Paper size

Cassette media size switch

 

 

 

 

 

 

 

Top switch

Center switch

Bottom switch

 

 

 

 

Universal

ON

ON

ON

 

 

 

 

A5

OFF

OFF

ON

 

 

 

 

B5

OFF

ON

ON

 

 

 

 

Executive

ON

OFF

ON

 

 

 

 

Letter

OFF

ON

OFF

 

 

 

 

A4

ON

OFF

OFF

 

 

 

 

Legal

ON

ON

OFF

 

 

 

 

Cassette absence

OFF

OFF

OFF

 

 

 

 

42 Chapter 1 Theory of operation

ENWW

Page 74
Image 74
HP Enterprise CC490A manual Cassette-presence detection, Paper size, Top switch Center switch Bottom switch