E568-8002/Shaved gear tooth due to overloading with friction fromsliding while the estrangement rack is moving (Staple-Q1/W1/Booklet-Q1/W1/Saddle-AM2/AN2/Finisher-AM1/AN1)[Symptom]E568-8002 and shaving on the gear tooth may occur in the machine earlier than the following countermeasure cut-in serialnumbers in factory.- E568-8002 : Feed Roller HP error[Cause]While the feed roller shaft is moving up and down to detect home position, if the estrangement rack [1] that holds the feed rollershaft inclines, the load from sliding increases and the feed roller shaft becomes unable to go back to home position, and thisbrings the aforementioned symptom.[Remedy]When the above-mentioned symptom occurs, perform the work either A) Replacing the upper feeder assembly with the new typeor B) Applying the grease to the feed assembly.A) Replacing the upper feeder assembly with the new typePrepare the new-type upper feeder assembly for each machine and perform the work by following the steps below.A-1) Refer to Service Manual (4. Parts Replacement and Cleaning > Feed Assembly) and remove the delivery static eliminatorand the upper feeder assembly.A-2) Replace the upper feeder assembly with the new type.B) Applying the grease to the feed assemblyPrepare Molykote EM-50L (HY9-0007-000) and e-rings (XD9-0135-000, x5pcs) and perform the work following the steps below:B-1) Refer to the service manual (4. Parts Replacement and Cleaning > Feed Assembly) and remove the delivery static eliminatorand the upper cover of the upper feeder assembly.B-2) Disconnect the connectors [1] (x2pcs) and remove the screws (x2pcs) for grounding [2] and the screws [3] (x3pcs) to detachthe feed assembly.B-3) Remove the estrangement rack [1] in the following order:B-3-1) Remove the compression springs [2] (x2pcs).80
