Canon MF3110 - ImageCLASS Laser Multifunction Service Manual

Also see for imageCLASS MF3111: Software guide Basic guide Specification

Contents

Chapter 22-7Pickup and Feed Operation (from the cassette)If the cassette paper sensor detects the presence of paper while the absence of paper is identified in the manual feedpickup assembly, the machine picks up paper from the cassette.When the main motor operates and the cassette pickup solenoid goes on, the cassette pickup roller makes a singlerotation to pick up paper. The paper is then moved from the transfer assembly to the fixing assembly by the feedroller; it is ultimately delivered outside the machine by the work of the delivery roller.When the faceup cover is open, the paper is delivered faceup at the rear of the machine. If the faceup cover isclosed, on the other hand, the paper is moved along the feed guide of the cover, and is delivered facedown at the topof the machine by the work of the facedown delivery roller.Pickup and Feed Operation (from the manual feed section)When paper is inserted into the pickup assembly, the manual feed paper sensor detects the presence of paper, and themachine uses the feed roller to pick and hold the leading edge of the paper. When printing starts, the machine turnson the manual feed pickup solenoid to stop the rotation of the feed roller so that the paper will not move forward untilthe laser/scanner and the fixing unit become ready for operation. When the laser/scanner and the fixing unit becomeready for operation, the machine turns off the manual feed pickup solenoid to rotate the feed roller, thus moving thepaper forward; the operation thereafter is identical to the operation used for pickup from the cassette.2.4.2 Detection Jams2.4.2.1 Jam Detection Outline2.4.2.1.1 Type so Jams 0003-0655The machine identifies the following types of jams:Pickup Delay JamThe top sensor does not go on within a specific period of time after pickup starts.Pickup Stationary JamThe top sensor goes on, but does not go off within a specific period of time.Delivery Delay JamThe top sensor goes on, but the delivery sensor does not go on within a specific period of time.Wrap JamThe delivery sensor goes on, but it goes off before a specific period of time passes.Delivery Stationary JamThe delivery sensor goes on, but it does not go off within a specific period of time.Initial JamThe top sensor or the delivery sensor goes on while the main motor is starting to rotate.Cover Open JamThe machine identifies a condition in which the front cover is opened while it is moving paper.