Lexmark Optra C710 Service Manual - Page 179
clutch CL2. If a 243 Paper Jam message Clutches, Clutches CL2 or
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5016-001 FRU 2 Option Paper Feed Motor 3 Paper Feed Unit Clutches CL2 or CL3 Option Interconnect Board Action Option interconnect board voltage chart paper feed motor. Connector CN802 Pin # Signal Voltage 1 (Brown) PH3B2 (Red) VP 3 (Blue) PH3B+ 4 (Yellow) PH3A+ 5 (Red) PH3A- Voltage Signal Static +24 V dc +24 V dc +24 V dc +24 V dc +24 V dc Voltage Signal Operating +22.0 to +25.5 V dc +24 V dc +22.0 to +25.5 V dc +22.0 to +25.5 V dc +22.0 to +25.5 V dc • If the voltage on pin 2 measures approximately 0 V dc, replace the option interconnect board. • If the voltages on Pins 1, 3, 4 or 5 are incorrect, replace the following FRUs in the order shown: 1. Option paper feed motor 2. Option interconnect board If a 242 Paper Jam message displays, check clutch CL2. If a 243 Paper Jam message Clutches CL2 or CL3 displays, check clutch CL3. Check the clutch cable for the failing tray to be sure it is installed properly. Check the following voltages on CN803: Pin # 1 (Red) 2 (Black) 3 (Red) 4 (Blue) Signal Voltage VP -SL6ON VP -SL7ON Voltage Static +24 V dc +24 V dc + 24 V dc +24 V dc Voltage Clutch Picked +24 V dc +24 V dc - 0 V dc +24 V dc +24 V dc - 0 V dc All voltages are approximate values. If the voltages on pins 1 and 3 are incorrect, replace the option interconnect board. If the voltages on Pins 2 and 4 do not change, check the clutch by applying a ground to pin 2 for CL2, or pin 4 for CL3. • If the clutch does not pick when the ground is applied to the pin, replace the clutch. • If the clutch picks, replace the option interconnect board. Diagnostic Information 2-113