Lexmark Optra C Service Manual - Page 65

5045-001 Registration Roller Does Not Rotate FRU 1 Gear train 2 Pickup PCB Registration roller clutch Action Is the pickup motor drive properly transmitted by the gears? Check the gears, and replace any damaged ones. Turn the power switch OFF, remove the pickup unit, and disconnect the connector J34. Measure the resistance between cable connectors J34-1 and J34-2. Is it about 145 Ohms? If yes, replace the pickup PCB. If no, replace the registration roller clutch. High-Voltage Power Supply Output FRU 1 High voltage contacts 2 High-voltage power supply PCB Mechanical controller PCB DC controller PCB Action Are the high-voltage contact terminals soiled or burnt? Clean the high-voltage contacts. Does the trouble disappear when you replace the high-voltage power supply PCB? Replace the highvoltage power supply PCB. If not, replace and check as follows: 1. Mechanical controller PCB. 2. DC controller PCB, see "DC Controller Board Information" on page 2-2. Diagnostic Information 2-33