Table 1-27 Pickup feed components (2,500-sheet paper feeder HCI) (continued)
Abbreviation Component name
SR1 Cassette 1 (Tray 3) media-surface sensor 1
SR2 Cassette 1 (Tray 3) media-surface sensor 2
SR3 Cassette 1 (Tray 3) media-presence sensor
SR4 Cassette 1 (Tray 3) media-feed sensor
SR5 Cassette 2 (Tray 4) media-surface sensor 1
SR6 Cassette 2 (Tray 4) media-surface sensor 2
SR7 Cassette 2 (Tray 4) media-presence sensor
SR8 Cassette 2 (Tray 4) media-feed sensor
SR9 Cassette 3 (Tray 5) media-surface sensor 1
SR10 Cassette 3 (Tray 5) media-surface sensor 2
SR11 Cassette 3 (Tray 5) media-presence sensor
SR12 Cassette 3 (Tray 5) media-feed sensor
Paper-size detection and cassette-presence detection
The paper feeder detects the size of paper loaded in the paper feeder and the presence of the cassette using
the PD media size switch.
Table 1-28 Paper-size detection and cassette-presence detection (1 x 500 paper feeder)
Paper size Paper-feeder cassette media-size switch settings
Top switch Center switch Bottom switch
UniversalOnOnOn
A5 Off Off On
B5 Off On On
Executive On Off On
Letter Off On Off
A4 On Off Off
LegalOnOnOff
No cassette Off Off Off
The HCI controller detects the size of the paper loaded in the paper deck cassette and the presence of the
cassette by monitoring the cassette media-size switch. The cassette media-size switch contains three sub-
switches. The HCI controller detects the size of paper and the presence of cassette according to the
combination of the sub-switches and notifies the formatter through the DC controller. It detects only the
presence of cassette during Sleep mode.
ENWW Optional paper feeders 71
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