4-68 Service Manual
7541-03x
Paper feed unit removal
Note: Remove the main tray paper guide and the multi-purpose feed tray paper guide. These will be used on
the new paper feed unit. See
“Main tray paper guide removal” on page 4-179 and “Multi-purpose feed tray
paper guide removal” on page 4-181.
1. Remove the HVPS. See “HVPS removal” on page 4-111.
2. Remove the complete duplex unit. See “Duplex removal” on page 4-63.
3. Using a flatblade screwdriver, gently push the tab securing the link arm to the link arm stay back, and
remove the right link arm.
Note: Use care when pushing the tab back. It can easily break if pushed too far.
4. Disconnect the registration clutch harness from connector CN20 on the printhead controller board.
5. Disconnect the pick roll, separator roll, and feed roll clutch cables from connector CN8 on the MDCONT
(engine) board.
6. Disconnect the paperfeed unit sensors cable from CN12 on the engine board.
7. Disconnect the paper feed unit motor harness from connect or CN16 on the MDCONT (Engine) board.