HCI jam detection
The following sensors are provided for HCI jam detection:
●
HCI paper-feed sensors (SR3, SR4, and SR9)
●
Top-of-page sensor (SR5 in the print engine)
The HCI performs retry control to retrieve the pickup delay jam that the pickup error caused.
Jam type Description Specified timing (approximate)
Pickup delay jam 1 When SR5 does not detect the media
leading edge within the specified timing
after the SR3 detects the media leading
edge, the CPU determines the pickup
delay jam 1.
T = 3 s
Pickup delay jam 2 When SR3 does not detect the media
leading edge within the specified timing
after SR4 or SR9 detect the media
leading edge, the CPU determines a
pickup delay jam 2 for the center and
bottom cassettes.
T = 1.5 s (center cassette)
T = 3.0 s (bottom cassette)
Pickup delay jam 3 When SR4 or SR9 do not detect the
media leading edge within the specified
timing from when the pickup operation
began, the HCI retries the pickup
operations for the center or bottom
cassette twice.
When SR4 and SR9 still have not
detected the media leading edge after
the retries and after another specified
timing, the CPU determines a pickup
delay jam 3.
T = 1.5 s
Automatic delivery is available if SR3, SR4, or SR9 detects paper before starting a print operation.
ENWW 1 x 500-sheet and 3 x 500-sheet high-capacity input feeder 147
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