SM xi G179
6.9.3 PICK-UP AND SEPARATION ROLLER RELEASE MECHANISM..6-33
6.9.4 PAPER LIFT ....................................................................................6-34
6.9.5 TRAY LOCK MECHANISM .............................................................6-35
6.9.6 PAPER SIZE DETECTION – TRAYS 1 AND 2 ...............................6-36
6.9.7 PAPER END DETECTION – TRAYS 1 AND 2................................6-37
6.9.8 REGISTRATION..............................................................................6-38
6.10 BY-PASS TRAY..................................................................................6-39
6.10.1 OVERVIEW................................................................................6-39
6.10.2 DRIVE ........................................................................................6-39
6.10.3 BY-PASS PAPER SEPARATION ..............................................6-40
6.10.4 BY-PASS PAPER SIZE DETECTION........................................6-40
6.11 DUPLEX UNIT ....................................................................................6-41
6.11.1 OVERVIEW................................................................................6-41
6.11.2 DUPLEX DRIVE.........................................................................6-42
6.11.3 INVERTER MECHANISM ..........................................................6-43
6.11.4 DUPLEX OPERATION ..............................................................6-44
Up to A4/LT (81/2" x 11") LEF.............................................................6-44
From A4/LT (8 1/2" x 11") LEF to 400mm length ................................6-44
6.12 IMAGE TRANSFER AND PAPER SEPARATION ..............................6-46
6.12.1 OVERVIEW................................................................................6-46
6.12.2 BELT DRIVE MECHANISM .......................................................6-47
6.12.3 TRANSFER BELT UNIT CONTACT MECHANISM ...................6-47
6.12.4 IMAGE TRANSFER AND PAPER SEPARATION MECHANISM6-48
6.12.5 TRANSFER BELT CHARGE .....................................................6-49
Mechanism .........................................................................................6-49
Correction for paper width and thickness............................................6-49
Currents applied to leading edge, image areas - by-pass feed...........6-50
6.12.6 TRANSFER BELT CLEANING MECHANISM............................6-51
6.13 IMAGE FUSING..................................................................................6-52
6.13.1 OVERVIEW................................................................................6-52
6.13.2 FUSING DRIVE .........................................................................6-53
6.13.3 PRESSURE RELEASE MECHANISM.......................................6-53
6.13.4 FUSING ENTRANCE GUIDE SHIFT MECHANISM ..................6-54
6.13.5 PRESSURE ROLLER CLEANING.............................................6-54
6.13.6 HOT ROLLER CLEANING.........................................................6-55
Overview.............................................................................................6-55
Web Drive ...........................................................................................6-55
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