[Service work]If the above-mentioned symptom occurs, pull out the trimming assembly to check the broken sections.Replace the parts corresponding to the broken sections. The replacing parts are all the service parts used only for the servicework.-If the bracket bent part of the trimming drive assembly or the press ball screw breaks, prepare a new-type cutter drive assembly(4Y3-0037-010) with its strength increased, and go to A) Replacing the cutter drive assembly.[Caution] The trimming assembly needs to be removed. Be sure to perform the work by 2 people or more.-If the rear stay breaks, prepare the rear stay kit (4Y8-3096-000), newly set up as a service part, and go to B) Attaching the rearstay kit .-If the peripheral component of the trimming drive assembly breaks, prepare the reinforcement plate kit (4Y8-3097-000), newlyset up as a service part, and go to C) Attaching the reinforcement plate kit .-The factory measures to increase the strength of the cutter drive assembly of the trimming assembly has not been taken for themachines earlier than the countermeasure cut-in serial numbers in factory below (Refer to Service Information Ref.No.: F3-T01-00W-10541). Regarding these machines, perform B) Attaching the rear stay kit and C) Attaching the reinforcementplate kit .Model Serial numberPerfect Binder C1 US EGX00098Perfect Binder C1 EU/O EGZ10500[Reference]• Prepare the hexagonal wrench for removing and attaching the button head bolt (M4x10).• Some works are required to be done by getting under the trimming assembly. Place the sheet on the floor if necessary.A) Replacing the cutter drive assemblyThe work procedure starts where the perfect binder is separated from the main unit and the trimming assembly is pulled out.The black arrows in the figures indicate the front direction.[Caution] Referring to Service Manual, be sure to remove the trimming blade and perform the work.1) Check the contents of the cutter drive assembly (4Y3-0037-010).- Cutter drive assembly [1] 1pc237