Jam detection The product uses the following sensors and switches to detect the presence of paper and to check whether the paper is being fed correctly or has jammed:
● Left door interlock switch (SW1) ● Cartridge door interlock switch (SW2) ● Cartridge door open detection switch (SW3)) ● TOP sensor (SR9) ● Loop sensor (SR6) ● Fuser output sensor (SR12) ● Output sensor (SR3) ● Output bin media full sensor (SR4) ● Right door sensor (SR8) Figure 1-37 Product engine jam detection sensors and switches SR4 SW1 SW2 SW3 SR3 SR12 SR9 SR6 No pick jam 1 ● MP tray The TOP sensor does not detect the leading edge of paper within a specified period (including two retries) from when the MP tray pickup solenoid is turned on.
● Standard cassette The TOP sensor does not detect the leading edge of paper within a specified period (including two retries) from when the cassette pickup clutch is driven. ● Duplexer ENWW Pickup, feed, and delivery system 47