Chapter 88-26F-8-34[1] Upper guide[2] Stopper plate[3] Side guide[4] Manual feed pickup tray[5] Pressure spring[6] Holding plate[7] Manual feed paper sensor flag[8] Separation pad[9] Manual feed pickup roller[10] (to registration roller assembly)REFThe machine's manual feed pickup unit is not equipped with a sensor that may detect the last sheet of paper.8.5.2 Basic Sequence of Operation 0007-2124iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / iR3530 /The multi-pickup roller starts to rotate when the manual pickup clutch (CL1) goes on to start upper separation to pick up a single sheet of paper. When the leadingedge of the sheet reaches the registration sensor (PS26) and is moved a specific distance, the manual pickup clutch goes off, causing the sheet to arch in the regis-tration roller area.When the registration clutch (CL2) goes on, the manual feed pickup clutch (CL1) once again goes on to pick up paper. The manual feed pickup clutch (CL1) goesoff immediately before the trailing edge of paper moves past the manual feed pickup roller; thereafter, the registration roller serves to pull off the paper.F-8-358.5.3 Identifying the Paper Size 0007-2187iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / iR3530 /The width of paper is detected with reference to the output of the variable resistor (SVR1), which operates in conjunction with the movement of the side guide.The side guide in the manual feed tray is set when the user moves it to place paper in the cassette.[1] [2] [3] [4][5] [6][7] [8][9][10]Print startPRINT LSTRRegistrationclutch ( L2)Manual feed pickupclutch ( L1)Registrationsensor (PS26)