User guide

EN Printer functions and operation 97
Solenoid, photosensors, and switches
The following figure shows the locations of the solenoid,
photosensors, and switches.
Figure 19. Solenoid, photosensors, and switches
1
Paper delivery sensor (PS401) senses when paper has
successfully moved out of the fusing area.
2 Power switch.
Note Products sold in North America and all of the 100-110V units do
not have power switches.
3 Top-of-page sensor (PS402) detects the leading and trailing
edges of the paper. It synchronizes the photosensitive drum and
the top of the paper.
4 Engine test switch (SW201), see “Engine test” on page 200 for an
explanation of the switch.
5 Door-open switch (SW301) detects whether or not the print
cartridge door is closed and the print cartridge is installed
properly. Printing cannot continue until the print cartridge door is
closed and the print cartridge is in its correct position.
6 Solenoid (SL001) activates the pickup roller.
7 Paper-out sensor (PS201) senses when paper is in the main
input tray or the priority input tray.
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