HP — Sensors, switches, clutches, and solenoids

Table 36. Printer switch names and descriptions EN Paper path 187 Name Description SW1 Power switch SW201 Test-print switch SW202 Reset switch SW641 Right cover switch SW642 Imaging-drum switch SW644 Black toner cartridge switch SW671 Delivery cover/front cover switch SW672 Toner cartridge cover switch SW673 Carousel-button switch SW1601 Tray 3 paper-size detection switch SW1602 Tray 3 paper-size detection switch SW1603 Tray 3 paper-size detection switch SW1604 Tray 3 paper-size detection switch SW1601 Tray 2 paper-size detection switch SW1602 Tray 2 paper-size detection switch SW1603 Tray 2 paper-size detection switch SW1604 Tray 2 paper-size detection switch