1x500-sheet paper-deck cassette media-size detection and
cassette-presence detection
The paper deck detects the size of the paper loaded in the cassette by monitoring the paper deck
cassette media-end switch and the paper deck cassette media-width switch.
The paper deck cassette media-width switch and the paper deck cassette media-end switch each
contain three sub-switches. The paper deck controller detects the size of paper and the presence of the
cassette according to the combination of the sub-switches.
The paper deck controller determines an inconsistent paper size and notifies the formatter through the
DC controller when the detected paper size is different from the size specified from the formatter. It also
notifies the formatter through the DC controller when it determines a cassette absence.
Table 1-19 1x500-sheet paper-deck cassette media-size detection and cassette-presence
detection
Paper size Paper feeder
Cassette media-width switch
Paper feeder
Cassette media-end switch
Top switch Center switch Bottom switch Top switch Center switch Bottom switch
Cassette absent Off Off Off Off Off Off
A5-R On On Off On On On
B5-R Off On Off On On On
Executive-R Off On On On On On
Letter-R Off Off On On On On
A4-ROffOffOffOnOnOn
FolioOnOnOffOffOnOn
LegalOnOnOffOffOffOn
B4 Off On Off Off Off On
Ledger Off Off On Off Off On
A3 Off Off Off Off Off On
1x500-sheet paper-deck cassette lift operation
The cassette lift-up operation keeps the surface of the paper stack at the pickup position whenever the
following occurs:
●
Product power is turned on.
●
Cassette is installed.
●
Stack surface in the cassette lowers (pickup operation).
92 Chapter 1 Theory of operation ENWW
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