misregistration) for each paper size. The side misregistration amount is notified to the formatter through the DC controller as a correction value of scanning start position for the second side printing. Figure 1-63 Duplexer side misregistration detection Outline of LED ass’ y LED for paper right edge detection LED for home-position detection LED for A4-R/A3 size detection LED for Letter-R size detection Paper Flag for home-position detection Photoreceiver sensor assembly Side misregistration sensor M1 CL1 LED assembly 1.
Detects home-position Sensor position when detecting the home-position Sensor position when the paper is in niminal position Side misregistration Sensor opsition when side misregistration of paper is detected 2. Detects right edge of paper Image starting position ENWW Duplexer 81