HP CP4525DN Laser CC494A#ABA manual Motor control, 17Electrical components for the paper feeder

Table 1-17Electrical components for the paper feeder

Component	Abbreviation	Component name
type
Motors	M1	PD lifter motor 1
	M2	PD pickup motor
	M3	PD lifter motor 2 (3 x 500-sheet paper feeder only)
	M4	PD lifter motor 3 (3 x 500-sheet paper feeder only)
Solenoids	SL1	PD pickup solenoid 1
	SL2	PD pickup solenoid 2 (3 x 500-sheet paper feeder only)
	SL3	PD pickup solenoid 3 (3 x 500-sheet paper feeder only)
Sensors	SR1	Tray 3 paper surface sensor 1
	SR2	Tray 3 paper surface sensor 2
	SR3	Tray 3 paper present presence sensor
	SR4	Tray 3 feed sensor
	SR5	Tray 4 paper surface sensor 1 (3 x 500-sheet paper feeder only)
	SR6	Tray 4 paper present sensor (3 x 500-sheet paper feeder only)
	SR7	Tray 4 feed sensor (3 x 500-sheet paper feeder only)
	SR8	Tray 4 paper surface sensor 2 (3 x 500-sheet paper feeder only)
	SR9	Tray 5 paper surface sensor 1 (3 x 500-sheet paper feeder only)
	SR10	Tray 5 feed sensor (3 x 500-sheet paper feeder only)
	SR11	Tray 5 paper present sensor (3 x 500-sheet paper feeder only)
	SR12	Tray 5 paper surface sensor 2 (3 x 500-sheet paper feeder only)
Switches	SW1	PD right door switch
	SW2	PD media size switch 1 (3 x 500-sheet paper feeder only)
	SW3	PD media size switch 2 (3 x 500-sheet paper feeder only)
	SW4	PD media size switch 3 (3 x 500-sheet paper feeder only)

Motor control

The 1 x 500-sheet paper feeder has two motors, and the 3 x 500-sheet paper feeder has four motors for feeding paper.

Component		Drives	Failure detection
PD lifter motor 1	M1	Lifter of the upper cassette	No
PD lifter motor 2 (3 x 500-sheet paper	M3	Lifter of the middle cassette	No
feeder only)

ENWW Optional paper feeder 59