Jam detection
The product uses the following sensors to detect the presence of media and to check for jams. If media
does not reach or pass each sensor within a specified time, the ECU determines that a jam has
occurred and alerts the formatter.
NOTE: To find the following components, see Photo sensors and switches on page 36.
Table 1-14 Sensors
Paper Jam Sensors PS2 fuser delivery sensor
PS215 Top-of-Page (TOP) sensor
PS502 Duplex media-feed sensor
Media present sensors PS4 Face-down tray media-full sensor
PS225 Media width sensor
PS8008
NOTE: PS8008 is used in Tray 3 and
Tray 4.
Paper feeder media-feed sensor
The product detects the following jams:
●
Pickup delay jam
●
Pickup stationary jam
●
Delivery delay jam
●
Delivery stationary jam
●
Fuser wrapping jam
●
Door open jam
●
Residual media jam
●
Duplex repickup jam
42 Chapter 1 Theory of operation ENWW
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