22 2-1362-136Technology > Pickup / Feed System > Registration Unit > Pre-registration ControlTechnology > Pickup / Feed System > Registration Unit > Pre-registration ControlRegistration Unit■ Pre-registration ControlPickup processing time can vary depending on the paper type and paper size in use as wellas the environment. Therefore, the machine executes pre-registration control to ease suchvariation.After the paper is picked up from the pickup cassette, the following reference sensor is usedas a reference to feed the paper for a specified distance, and then the paper is stopped at thepre-registration position.Pre-registrationstop position6Pre-registrationstop position7Pre-registrationstop position 5Pre-registrationstop position 1Vertical PathSensor 1Vertical PathSensor 2Vertical PathSensor 3Vertical PathSensor 4Right Deck PullOut SensorPre-registrationstop position 2Pre-registrationstop position 3Pre-registrationstop position 4Duplex Outlet SensorLeft Deck Pull Out SensorPre-registrationstop position8Duplex Left SensorF-2-175Stop position name PickupAssembly Paper size Reference sensor Stop positionPre-registration stopposition 1Right Deck Size LTR (215.9mm) Vertical PathSensor1(PS24)Vertical Path Roller 1Downstream 10mmCassette3Cassette4Pre-registration stopposition 2Cassette3 LTRR=< Size =<A4RVertical PathSensor2(PS25)Vertical Path Roller 2Downstream 10mmCassette4Pre-registration stopposition 3Cassette3 LTRR(279.4mm)<SizeVertical PathSensor3(PS26)Vertical Path Roller 3Downstream 10mmCassette3Cassette4Size =< LTRLTTR < Size <LDRR(431.8mm)Pre-registration stopposition 4Cassette4 LDRR < Size Vertical PathSensor4(PS27)Vertical Path Roller 4Downstream 10mmPre-registration stopposition 5OP Deck All Size Option Deck PullOut SensorVertical Path UpperRoller 1Downstream 10mmPre-registration stopposition 6Left Deck Size =< LTR Left Deck Pull OutSensor(PS33)Duplex MergingRollerDownstream 10mmPre-registration stopposition 7Lrft Deck Size =< LTR Duplex OutletSensor(PS64)Duplex OutletSensor(PS64)Downstream 10mmPre-registration stopposition 8- Size =< LTR Duplex LeftSensor(PS66)Duplex MergingRollerUpstream 20mmT-2-77