HP Color LaserJet Enterprise CP5525 Service Manual - Page 102
Cassette media-size detection and cassette-presence detection
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Table 1-15 Pickup-and-feed operation (continued) Component Signal Paper deck cassette 2 lifter motor M82 PAPER DECK CASSETTE 2 LIFTER MOTOR CONTROL signal Paper deck cassette 2 pickup solenoid SL82 PAPER DECK CASSETTE 2 SOLENOID signal Paper deck cassette 2 media feed sensor SR81 PAPER DECK CASSETTE 2 MEDIA FEED signal Paper deck cassette 2 media stack surface sensor SR82 PAPER DECK CASSETTE 2 MEDIA STACK SURFACE signal Paper deck cassette 2 media out sensor SR83 PAPER DECK CASSETTE 2 MEDIA OUT signal Paper deck cassette 2 media end switch SW82 PAPER DECK CASSETTE 2 MEDIA END signal Paper deck cassette 2 media width switch SW83 PAPER DECK CASSETTE 2 MEDIA WIDTH signal Paper deck cassette 3 pickup motor M91 PAPER DECK CASSETTE 3 PICKUP MOTOR CONTROL signal Paper deck cassette 3 lifter motor M92 PAPER DECK CASSETTE 3 LIFTER MOTOR CONTROL signal Paper deck cassette 3 pickup solenoid SL91 PAPER DECK CASSETTE 3 SOLENOID signal Paper deck cassette 3 media feed sensor SR91 PAPER DECK CASSETTE 3 MEDIA FEED signal Paper deck cassette 3 media stack surface sensor SR92 PAPER DECK CASSETTE 3 MEDIA STACK SURFACE signal Paper deck cassette 3 media out sensor SR93 PAPER DECK CASSETTE 3 MEDIA 0UT signal Paper deck cassette 3 media end switch SW92 PAPER DECK CASSETTE 3 MEDIA END signal Paper deck cassette 3 media width switch SW93 PAPER DECK CASSETTE 3 MEDIA WIDTH signal Cassette media-size detection and cassette-presence detection The paper deck detects the size of the paper loaded in the paper deck cassette by monitoring the paper deck cassette media end switch and the paper deck cassette media width switch. It also detects the presence of cassette by monitoring the switches. The paper deck controller notifies the formatter through the DC controller when it determines a cassette is absent. Table 1-16 Cassette media-size detection and cassette-presence detection (3X500-sheet paper deck) Paper size Executive Letter A5 3X500-sheet paper deck Cassette media width sensor Top switch Center switch Off On Off Off On On Bottom switch On On Off 3X500-sheet paper deck Cassette media end switch Top switch Center switch On On On On On On Bottom switch On On On 78 Chapter 1 Theory of operation ENWW