Pickup/feed/delivery system
The pickup/feed/delivery system consists of several types of feed rollers and sensors. The ECU uses
two motors and two solenoids to drive the rollers. Three media-detection sensors detect media as it
passes through the device. If media does not reach or pass each sensor within a specified time period,
the ECU determines that a jam has occurred and alerts the formatter.
The following components work together to feed media through the device:
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M1, main motor
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M2, fuser motor
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SL1, tray 1 pickup solenoid
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SL2, tray 2 pickup solenoid
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PS502, duplexer media-detection sensor
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Output-bin-full sensor
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PS901, top-of-page sensor
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PS902, tray 1 media-detection sensor
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PS903, media-width sensor
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SR1, top output-bin delivery flag
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SR2, fuser-delivery flag
Figure 4-8 Pickup/feed/delivery system block diagram
62 Chapter 4 Theory of operation ENWW
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