O6: High Voltage Error; O7: Low Voltage Error; O8: Over Load Error - Epson DFX-9000 Repair Manual

Epson DFX-9000 Field Repair Guide

O6: High Voltage Error

Cause: Either the +42vdc (motor drive voltage) or the +37vdc (print head drive voltage) is too high.
Action:
1. Replace the Power Supply.
2. Replace the ROM Board.

O7: Low Voltage Error

Cause: Either the +42vdc (motor drive voltage) or the +37vdc (print head drive voltage) is too low.
Action:
1. Replace the Power Supply.
2. Replace the ROM Board.

O8: Over Load Error

Cause: Either the power supply has failed or the voltage detection circuit has malfunctioned.
Action:
1. Replace the Power Supply.
2. Replace the ROM Board.
Troubleshooting Printer Component, Software Item, LCD Display, Printer Button
3/29/07
Page 122.