Chapter 77-10F-7-273) Remove the two bosses [1], disconnect the connector [2], and then slidethe registration sensor unit [3] toward you to remove it.F-7-284) Remove the registration sensor [1] by releasing the hook.F-7-297.6.12 Duplex Pick-up Solenoid7.6.12.1 Removing the Duplex Pickup Solenoid 0011-5380LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-Base MF6560PL / / LaserBase MF6580PL1) Remove the left cover and rear-right cover.2) Remove the fan duct, main motor, relay PCB, registration clutch, pickupdrive unit, main drive unit, and fixing/drive unit.3) Remove the screw [1], and then remove the duplex pickup solenoid [2].F-7-30When installing the duplex pickup solenoid, be sure to install the solenoid le-ver [1] on the arm [2].F-7-317.6.13 Registration Clutch7.6.13.1 Removing the Registration Clutch 0011-5379LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-Base MF6560PL / / LaserBase MF6580PL1) Detach the rear cover.2) Remove the connector [1] and E-ring [2], and then remove the registrationclutch [3].F-7-327.6.14 Main Motor7.6.14.1 Removing the Main Motor 0011-5476LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-Base MF6560PL / / LaserBase MF6580PL1) Detach the rear cover.[1][2][2] [3][1][1][1][2][2][1][3][1] [2]Download Free Service Manual And Resetter Printer at http://printer1.blogspot.com