Ricoh LDD280 - Page 22

C262/C265 x SM
6.8.12 SIDE FENCE LOCK LEVER.........................................................6-94
6.8.13 DETECTION MECHANISMS........................................................6-95
Paper Size and Paper End Detection .................................................6-95
Table Upper/Lower Limit Detection and Paper Height Control ...........6-96
Paper Table Open Detection ..............................................................6-96
Paper Amount Detection.....................................................................6-97
6.8.14 PAPER FEED TIMING .................................................................6-98
Paper feed timing for maximum length paper (447mm)......................6-98
6.9 PRINTING AND PRESSURE CYLINDER .............................................6-100
6.9.1 OVERVIEW ..................................................................................6-100
6.9.2 PRESSURE CYLINDER...............................................................6-101
6.9.3 PAPER CLAMPING......................................................................6-102
6.9.4 PRINTING PRESSURE MECHANISM .........................................6-103
6.9.5 PRINTING PRESSURE CAM SHIFTING FOR A3/A4
SIZE MASTERS ...........................................................................6-104
6.9.6 PAPER RELEASE PAWLS MECHANISM....................................6-105
6.9.7 PAPER FEED CONTROL MECHANISM......................................6-106
Paper Feed Start Timing Detection...................................................6-106
Detection and Feedback of Fluctuations in Pressure Cylinder Rotation ...6-106
6.9.8 PRESSURE CYLINDER DRIVE MECHANISM ............................6-107
Overview...........................................................................................6-107
Pressure Cylinder HP Return Mechanism
(Manual Pressure Cylinder Rotation)................................................6-108
6.9.9 PRINT PRESSURE ADJUSTMENT MECHANISM ......................6-109
Mechanism .......................................................................................6-109
Auto cycle printing, from master making ...........................................6-110
Only master making..........................................................................6-110
Only printing......................................................................................6-110
6.9.10 TIMING .......................................................................................6-111
6.10 PAPER DELIVERY..............................................................................6-112
6.10.1 OVERVIEW ................................................................................6-112
6.10.2 PAPER SEPARATION FROM THE DRUM ................................6-113
Exit Pawl Drive Mechanism ..............................................................6-113
Air Knife Mechanism .........................................................................6-114
Paper pick-off plate mechanism........................................................6-115
6.10.3 PAPER DELIVERY WING MECHANISM ...................................6-116
6.10.4 PAPER DELIVERY TABLE MECHANISM..................................6-117
6.10.5 ADJUSTABLE BUFFER FINS ....................................................6-118
6.10.6 JOB SEPARATION MECHANISM..............................................6-119
Overview...........................................................................................6-119
Sliding Arm Control...........................................................................6-120
6.10.7 PAPER DELIVERY JAM SENSORS ..........................................6-121
Paper Delivery Jam...........................................................................6-121
Paper Lower Wrapping .....................................................................6-121
6.10.8 PAPER DELIVERY UNIT DRIVE MECHANISM.........................6-122
6.10.9 PAPER EXIT JAM DETECTION.................................................6-123
Paper exit jam (C jam) ......................................................................6-123
6.11 IMAGE UP/DOWN SHIFTING .............................................................6-124
6.11.1 OVERVIEW ................................................................................6-124