HP 5L (C3941A) manual Solenoid and Sensors Solenoid and Photosensors, Name Description

Figure 5-6 shows the locations of the photosensors, switches, solenoid, and other important printer elements. Table 5-1 describes the function of each photosensor and the solenoid.

Figure 5-6

		Solenoid and Sensors
Table 5-1
		Solenoid and Photosensors
No.		Name	Description
SL1	Paper Pick-up Solenoid		Enables the Paper Pickup Roller.
PS201	Paper Exit Sensor		Senses when paper has successfully moved out of the
			fusing area and the next sheet of paper can be fed.
PS202	Paper Out Sensor		Senses no paper in either the Paper Input Bin or Manual
			Input Slot. If this sensor does not sense paper in the Input
			Paper Bin or the Single-Sheet Input Slot, the formatter
			displays the paper-out indication on the front panel. Paper
			must be reloaded before printing can resume.
PS203	Paper Registration Sensor		Detects the leading and trailing edges of the paper.
			Synchronizes the photosensitive drum and the top of the
			paper.
PS204	Door Open/Cartridge Sensor		Detects whether printer door is open and cartridge is in
			place. If the door is open or the cartridge is not in place, the
			control panel LEDs will display an error message. Printing
			cannot continue until the door is closed and the cartridge is
			in proper position.

Functional Overview 5 - 17