Table of Contents
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Control System Descriptions
The printer sensors are shown in the following illustration.
(l) Paper near-end sensor (PNES)
(2) Paper backward-feed sensor (PBFS)
(3) Paper output sensor 3 (EPS3)
(4) Elevator internal paper intermediate sensor (EPS4)
(5) Paper output sensor 0 (EPS0)
(6) Paper output sensor 1 (EPS1)
(7) Paper output sensor 2 (EPS2)
(8) Paper size sensors (IPS1-IPS3)
(9) Paper empty sensor (PES)
(10) Paper registration sensor (PRS)
(11) Paper timing sensor (PTS)
(12) Tractor motor encoder (TME)
(13) Drum motor encoder (DME)
(14) Feed motor encoders (FME19, FME20)
5–38
Fuser unit
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(15) Pickup motor encoder (PME)
(16) Cut-sheet paper feed motor encoder (FME)
(17) Drum surface potential sensor (DSPS)
(18) Toner density sensor (TDS)
(19) Toner empty sensor (TES)
(20) Waste toner bottle full sensor
(21) Transfer unit upper-limit sensor (TUUL)
(22) Transfer unit lower-limit sensor (TULL)
(23) Cutter sensors (CPSO, CPS1)
(24) Head thermistor sensor (HTS)
(25) Lamp thermistor sensor (LTS)
(26) Cut-sheet transfer sensor (CWD)
(27) Paper-feed sensor (PFS27) for upper paper tray
(28) NIP switch sensor
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Principles of Operation
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