3/99DocuPrint N24, N32 and N40 Service Manual 7-27 Repair Analysis Procedures (RAP)RAP 7.19 Motor Failure (U1-1)1 Power off the printer and remove the Upper Rear Cover Assembly (REP 4.1.3) so you canobserve the Main Motor and Drive Assembly. Hand rotate (counterclockwise) the Main Motor.The Main Motor and all of the gears on the Main Drive Assembly rotate freely and withoutbinding.Y N| Go to step 4.2 Power on the printer and enter Diagnostic 5.4.5 Running a Service Output Test, Main Motor On/Off to check the Main Motor function. The Main Motor runs when you start the Output Test.Y N| Replace the Main Drive Assembly (REP 4.9.1).3 Replace the Printer Engine Controller PWB (REP 4.10.6).4 Remove the EP Cartridge. Hand rotate (counterclockwise) the Main Motor. The Main Motor andall of the gears on the Main Drive Assembly rotate freely and without binding.Y N| Go to step 6.5 Replace the EP Cartridge (PL 7.2).6 Open the Left Upper Cover. Touching only the drive gear at the end of the Roll, hand rotate theBTR. The BTR rotates easily.Y N| Replace the BTR Roll (REP 4.5.2) and/or the Left Upper Cover Assembly (REP 4.1.6).7 Remove the Fuser Assembly (REP 4.7.1). Hand rotate (counterclockwise) the Main Motor. TheMain Motor and all of the gears on the Main Drive Assembly rotate freely and without binding.Y N| Go to step 9.8 Replace the Fuser Assembly (PL 8.1)9 Remove the Offset Unit Assembly (REP 4.8.1). Hand rotate (counterclockwise) the Main Motor.The Main Motor and all of the gears on the Main Drive Assembly rotate freely without binding.Y N| Go to step 11.10 Replace the Offset Unit Assembly (REP 4.8.1).11 Remove the Tray 1 Feed Clutch (REP 4.2.3). Hand rotate (counterclockwise) the Main Motor.The Main Motor and all of the gears on the Main Drive Assembly rotate freely and withoutbinding.Y N| Go to step 13.12 Replace the Tray 1 Feed Clutch (REP 4.2.3).13 Remove the MBF Feed Clutch (REP 4.3.7). Hand rotate (counterclockwise) the Main Motor. TheMain Motor and all of the gears on the Main Drive Assembly rotate freely and without binding.Y N| Go to step 15.
