Oki Data CONFIDENTIAL42113931TH Rev.1 74 /3.3.21 Rear Pressure Assy(1) Remove the upper cover (see 3.3.4 (1) – (5)).(2) Remove the change lever and gears (see 3.3.17).(3) Remove the paper pan (see 3.3.19).(4) Remove the rear pressure roller 1.(5) Rotate the release shaft 2 and move it to the left to detach the release shaft 2.Match the Main Frame Rib A with the protrusion B of the Release Shaft.(6) Remove rear pressure SP assy 3.(7) To install, follow the removal step in the reverse order.Note: (1) At mounting release shaft 2, pay attention to the gear engagement of releaseshaft 2, change arm lever 6, change gear shaft 7.(2) There are 5 Rear pressure Spring Assemblies. Use two pieces which havelarger spring diameter on the right side. Use three remaining pieces on theleft side (for PD427).(3) Make sure that the Release Shaft 2 will be on top of the Support spring 4.(4) To assemble the Release Shaft 2, make sure that the protrusion of the switchlever 5 is in the U groove of the Release Shaft 2.1 3247623325A B
