IBM 6400-I15 Maintenance Manual - Page 90
Controller Voltage Failure.
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If the message appears, replace the power supply board. 5. Power on the printer. If the message appears, replace the CMX controller board. Record the message and return it with the defective board. 6. Power on the printer. If the message appears, replace shuttle frame assembly. 085 CONTROLLER VOLTAGE 1. Controller Voltage Failure. Cycle Power. Run the print job again. If the message appears, download the emulation software again. 2. Cycle power. Run the print job again. If the message appears, replace the flash memory. 3. Power on the printer. Run the print job again. If the message appears, replace the CMX controller board. Record the message and return it with defective CMX board. 4. Power on the printer. Run the print job again. If the message appears, replace the power supply board. 086 CONTROLLER 15V 1. Controller Voltage Failure. Cycle Power. Run the print job again. If the message appears, download the emulation software again. 2. Cycle power. Run the print job again. If the message appears, replace the flash memory. 3. Power on the printer. Run the print job again. If the message appears, replace the CMX controller board. Record the message and return it with defective CMX board. Also check the resistance of connectors P106/LRIB M and P107/RRIB M. (Refer to the Main Wire Test Tables, page 297.) If ribbon motor resistance is not correct, replace the motor and/or the intermediate cable, if installed. 4. Power on the printer. Run the print job again. 90 Troubleshooting
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