Oki C9800 Series Service & Troubleshooting Manual

Also see for C9800 Series: Specifications User guide Manual Safety and regulatory information Regulatory and safety information

Contents

Oki C9800 Series Service & Troubleshooting Manual Manual pdf 97 page image

5.2 General TroubleshootingNo Control Panel DisplayTroubleshooting ProcedureInitial Actions:1. Remove and reseat the Fiery Control Board.2. Print an engine test print.3. Replace the Fiery Control Board.4. See “DC Power Supply Troubleshooting”.Control Panel LED is on, No Control Panel DisplayTroubleshooting ProcedureInitial Actions:1. Remove and reseat the Fiery Control Board.2. Replace the Control Panel.3. Replace the Fiery Control Board.4. Replace the Control Panel harness.Printer does not Appear to Operate at Power On.Troubleshooting ProcedureInitial Actions:1. Check the wall outlet for available AC voltage.2. Cycle printer power.3. Check the Fiery Control Board LED’s for a fault indication.4. Systematically remove all printer options to isolate a possibleproblem component.Printer Continually Displays “Warming Up” or “Initializing”Troubleshooting ProcedureInitial Actions:The most likely cause is that the Fiery Control Board has notsuccessfully loaded its NVRAM contents (instructions) into RAM. Allprint engine operation halts, and will only become ready when theFiery Control Board successfully boots.1. Check for media or debris in the paper path.2. Power cycle the printer.3. Replace the Fiery Control Board.4. Replace the Hard Drive.Troubleshooting AC Power SupplyTroubleshooting ProcedureInitial Actions:1. Check the voltage at the AC wall outlet.2. Check the power cord for defects or a loose connection.3. Replace the Low Voltage Power Supply (LVPS).