Filter
Top Products
80 Functional overview
EN
Solenoid, photosensors, and switches
The following figure shows the locations of the solenoid,
photosensors, and switches.
Figure 13. Solenoid, photosensors, and switches
21 3 4
7
8
5
6
1 Pickup solenoid (SL1). Enables the pickup roller.
2 Paper registration
sensor (PS203).
Detects the leading and trailing edges of the paper. Synchronizes
the photosensitive drum and the top of the paper.
3 Door open/cartridge
sensor (SW101).
Detects whether or not the printer door is closed and the toner
cartridge is present. Printing cannot continue until the printer
door is closed and the toner cartridge is in its correct position.
4 Paper out sensor
(PS202).
If the sensor does not sense paper in the paper input bin or the
single-sheet input slot, the control panel displays the paper-out
message. Paper must be loaded before printing can resume.
5 Document sensor
(PS801)
Detects the presence of a document in the document input bin.
6 Edge of document
sensor (PS802)
Detects the leading edge of a document in the document
scanner path.
7 Paper exit sensor
(PS201).
Senses when paper has successfully moved out of the fixing
area.
8 Engine test switch
(SW201).
See Chapter 6, “Troubleshooting,” for information about engine
tests.