Canon PC400 Service Manual - Page 84
Iii. Controlling The Registration Roller
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CHAPTER 5 PICK-UP/FEEDING SYSTEM III. CONTROLLING THE REGISTRATION ROLLER A. Outline The registration roller rotates when the registration cam found under the copyboard glass pushes the lever* while the copyboard is moving forward; see Table 3-2 and Figure 3-28. * Frees the claw that holds the control ring. The registration roller stops when the pick-up solenoid (PC420/430/FC220) or the registration solenoid (PC400/FC200) goes ON to set the claw to the control ring. Pick-up solenoid (SL1; PC420/430/FC220) Registration solenoid (SL1; PC400/FC200) Copyboard glass Registration cam Lever Claw Control ring Copy paper Pick-up direction Upper registration roller Main motor M1 Lower registration rollers : when roller registration is ON : when roller registration is OFF Pick-up sensor (Q131; PC420/ 430/FC220) Lower registration rollers Main motor drive commnand (MMD) Pick-up sensor signal Pick-up/registration solenoid drive commnand (PUSD/RGSD) DC controller/DC power supply PCB Figure 5-301A 5-4 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)