HP 1200 Service Manual - Page 72

Solenoid, photosensors, and switches

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Solenoid, photosensors, and switches The following figure shows the locations of the solenoid, photosensors, and switches. 1 6 2 3 4 7 5 Figure 20. 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 do not have power switches. 3 Paper top sensor (PS402) detects the leading and trailing edges of the paper. It synchronizes the photosenstive drum and the top of the paper. 4 Engine test switch (SW201); see "Engine test" on page 149 for an explanation of the switch. 5 Door-open switch (SW301) 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. 6 Solenoid (SL001) enables the pickup roller. 7 Paper-out sensor (PS201) senses when paper is in the main input tray or the priority input tray. 70 Chapter 4 - Operational overview EN

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70
Chapter 4 - Operational overview
EN
Solenoid, photosensors, and switches
The following figure shows the locations of the solenoid,
photosensors, and switches.
Figure 20.
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 do not have power switches.
3
Paper top sensor (PS402) detects the leading and trailing edges
of the paper. It synchronizes the photosenstive drum and the top
of the paper.
4
Engine test switch (SW201); see “Engine test” on page 149 for an
explanation of the switch.
5
Door-open switch (SW301) 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.
6
Solenoid (SL001) enables the pickup roller.
7
Paper-out sensor (PS201) senses when paper is in the main
input tray or the priority input tray.
1
2
3
4
5
7
6