HP Enterprise CC490A manual List of figures

List of figures

Figure 1-1 Relationship between the main product systems		2
Figure 1-2	Engine-control system	4
Figure 1-3 DC controller block diagram		5
Figure 1-4High-voltage power supply circuits		10
Figure 1-5Low-voltagepower-supply circuit		12
Figure 1-6	Fuser components	14
Figure 1-7 Fuser temperature-control circuit		15
Figure 1-8	Laser/scanner system	18
Figure 1-9Protective-glass cleaners (PGCs)		20
Figure 1-10	Image-formation system	21
Figure 1-11Image-formation drive system		22
Figure 1-12	Image-formation process	23
Figure 1-13	Pre-exposure	24
Figure 1-14	Primary charging	24
Figure 1-15	Laser-beam exposure	25
Figure 1-16	Development	25
Figure 1-17	Primary transfer	26
Figure 1-18	Secondary transfer	26
Figure 1-19	Separation	27
Figure 1-20	Fusing	27
Figure 1-21	ITB cleaning	28
Figure 1-22	Drum cleaning	28
Figure 1-23	Print-cartridge system	29
Figure 1-24Developing-roller engagement and disengagement control		30
Figure 1-25	ITB unit	31
Figure 1-26 Three states of primary-transfer-roller engagement and disengagement		33
Figure 1-27 ITB cleaning process		34
Figure 1-28 Toner patterns for calibration		35
Figure 1-29	Paper path	37
Figure 1-30 Switches and sensors for the pickup, feed, and delivery system		38
Figure 1-31 Motors and solenoids for the pickup, feed, and delivery system		39
Figure 1-32 Three main units of the pickup, feed, and delivery system		40
Figure 1-33	Pickup-and-feed unit	41
Figure 1-34	Cassette-pickup mechanism	42

ENWW xxi