User's Manual

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 34.
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PS2; fuser delivery sensor
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PS4; face-down tray media-full sensor
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PS215; Top-of-Page (TOP) sensor
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PS225; media width sensor
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PS502; duplex media-feed sensor (duplex models only)
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PS8008; paper feeder media-feed sensor
NOTE: PS8008 is used in Tray 3 and Tray 4.
The product detects the following jams:
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Pickup delay jam
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Pickup stationary jam
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Delivery delay jam
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Delivery stationary jam
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Fuser wrapping jam
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Door open jam
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Residual media jam
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Duplex repickup jam (duplex models only)
40 Chapter 1 Theory of operation ENWW