Motor control
The 1x500-sheet paper feeder has two motors for feeding paper.
Table 1-24 Motor control (1x500-sheet paper feeder)
Component Drives Failure
detection
M1 PD lifter motor 1 Lifter of the upper cassette No
M2 PD pickup motor PD pickup roller, PD feed roller, and PD separation roller No
The 2,500-sheet paper feeder HCI has four motors for the paper-feed and cassette lift-up. The HCI signals a
jam when the pickup motor fails.
Table 1-25 Motor control (2,500-sheet paper feeder HCI)
Component Drives Failure
detective
M1 Cassette 1 (Tray 3) lifter motor Lifter for cassette 1 (Tray 3) No
M2 Pickup motor Pickup roller, separation roller and feed roller for
cassette 1 to 3 (Tray 3 to Tray 5)
Yes
M3 Cassette 2 (Tray 4) lifter motor Lifter for cassette 2 (Tray 4) Yes
M4 Cassette 3 (Tray 5) lifter motor Lifter for cassette 3 (Tray 5) Yes
68 Chapter 1 Theory of operation ENWW
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