Step 6: Secondary transfer

26

Step 7: Separation

27

Step 8: Fusing

27

Step 9: ITB cleaning

28

Step 10: Drum cleaning

28

Print cartridge

28

Developing-roller engagement and disengagement

30

Intermediate transfer belt (ITB) unit

31

Primary-transfer-roller engagement and disengagement

32

ITB cleaning

34

Calibration

34

Color-misregistration control

35

Image-stabilization control

35

Pickup, feed, and delivery system

37

Pickup-and-feed unit

41

Cassette pickup

41

Cassette-presence detection

42

Cassette lift operation and cassette paper-presence detection

43

Cassette multiple-feed prevention

43

Multipurpose tray pickup

44

Paper feed

45

Skew-feed prevention

46

Paper detection

47

Feed speed control

48

Fusing and delivery unit

48

Loop control

49

Pressure-roller pressurization control

50

Duplexing unit (HP Color LaserJet CP4525dn, HP Color LaserJet CP4025dn, and HP

 

Color LaserJet CP4525xh only)

52

Duplexing reverse and feed control

52

Duplex print operation

53

Jam detection

55

Optional paper feeder

57

Motor control

59

Paper-feeder pickup and feed operation

60

Paper-size detection and cassette-presence detection

62

Paper-feeder cassette lift operation

63

Paper feeder jam detection

64

2 Removal and replacement

 

Introduction

68

Removal and replacement strategy

68

Electrostatic discharge

69

Required tools

69

vi

ENWW

Page 8
Image 8
HP CP4525DN Laser CC494A#ABA manual Removal and replacement