1x500-sheet paper-deck jam detection
The paper deck uses the paper deck cassette media-feed sensor (SR1) to detect the presence of paper
and to check whether print-media is being fed correctly or has jammed.
Figure 1-70  1x500-sheet paper-deck jam detection
SR1
The paper feeder detects the following jams:
No pick jam 3 The paper deck cassette media-feed sensor does not detect the leading edge of paper within a
specified period, including two retry picks, after the paper deck cassette pickup solenoid is
turned on.
Residual paper jam The paper deck cassette media-feed sensor detects a presence of paper during the wait period
when the product power is turned on, when the door is closed, or when the product exits sleep
mode.
1x500-sheet paper deck automatic delivery
The paper deck automatically clears the paper if the PF paper-feed sensor (SR1) detects the presence of
paper during the initial sequence after the printer is turned on or after the door is closed.
94 Chapter 1   Theory of operation ENWW