• Code: 03-420-00
• Description: Tray 3 Paper Mismatch
• Causes: Media size setting for Tray 3 differ from those reported by the Size Switch.
• Remedy: • Check media size settings for the tray from the Control Panel. • Reset the tray side and rear guides. • Check for obstructions blocking the Size Switch.
  Cycle system power. The error message is displayed. Y↓ N→Complete. Inspect the Tray 2 end guide. The end guide operates the Size Switch actuators. Y↓ N→Replace the Tray, Select dC330 codes 07-320, 07-330, 07-340. The switches are operational (high/low). Y↓ N→Replace the Size Switch. Remove the IOT from the Feeder. Check the Tray 3 Upper Option Harness. The harness is undamaged. Y↓ N→Replace the Upper Option Connector. Check the IOT option connector. The harness is undamaged. Y↓ N→Replace the Lower Option Harness. Replace these components in order until the error is corrected. 1. Size Switch, PL 3.10 Item 9 2. Tray, PL 7.10 Item 23 3. Feeder Board, PL 8.30 Item 7 4. MCU Board, PL 3.10 Item 3

• Code: 03-430-00
• Description: Tray 4 Paper Mismatch
• Causes: Media size setting for Tray 4 differ from those reported by the Size Switch.
• Remedy: • Check media size settings for the tray from the Control Panel. • Reset the tray side and rear guides. • Check for obstructions blocking the Size Switch.
  Cycle system power. The error message is displayed. Y↓ N→Complete. Inspect the Tray 4 end guide. The end guide operates the Size Switch actuators. Y↓ N→Replace the Tray, Select dC330 codes 07-420, 07-430, 07-440. The switches are operational (high/low). Y↓ N→Replace the Size Switch. Remove the IOT and Tray 3 from the Feeder. Check the Tray 4 Upper Option Harness. The harness is undamaged. Y↓ N→Replace the Upper Option Harness. Check option harness continuity through Trays 3 and 4. The connectors are undamaged. Y↓ N→Replace damaged connectors. Check the IOT Lower Option Harness. The harness is undamaged. Y↓ N→Replace the Lower Option Harness. Replace these components in order until the error is corrected. 1. Size Switch, PL 3.10 Item 9 2. Tray, PL 7.10 Item 23 3. Feeder Board, PL 8.30 Item 7 4. MCU Board, PL 3.10 Item 3

• Code: 03-440-00
• Description: Tray 5 Paper Mismatch RAP
• Causes: 03-440-00 Media size setting for Tray 5 differ from those reported by the Size Switch.
• Remedy: • Check media size settings for the tray from the Control Panel. • Reset the tray side and rear guides. • Check for obstructions blocking the Size Switch.
  Cycle system power. The error message is displayed. Y↓ N→Complete. Inspect the Tray 5 end guide. The end guide operates the Size Switch actuators. Y↓ N→Replace the Tray, Select dC330 codes 07-520, 07-530, 07-540. The switches are operational (high/low). Y↓ N→Replace the Size Switch. Remove the IOT, Tray 3 and Tray 4 from the Feeder. Check the Tray 5 Upper Option Harness. The harness is undamaged. Y↓ N→Replace the Upper Option Harness. Check option harness continuity through all trays. The harnesses are undamaged. Y↓ N→Replace damaged harnesses. Check the IOT Lower Option Harness. The harness is undamaged. Y↓ N→Replace the Lower Option Harness. Replace these components in order until the error is corrected. 1. Size Switch, PL 3.10 Item 9 2. Tray, PL 7.10 Item 23 3. Feeder Board, PL 8.30 Item 7 4. MCU Board, PL 3.10 Item 3

• Code: 03-450-00
• Description: Tray 1 Paper Mismatch
• Causes: Tray 1 is not configured with the proper media resources for the current job.
• Remedy: • Check media size settings for the tray from the Control Panel. • Load Tray 1 with the media specified in the print job.
  Cycle system power. The error message is displayed. Y↓ N→Complete. Select dC330 code 07-110. The sensor is operational (high/low). Y↓ N→Replace the Tray 1 No Paper Sensor. Remove the Tray 1 Feeder and inspect the wiring. The harness is undamaged and connected to the MCU Board. Y↓ N→Reconnect or repair the harness. Replace these components in order until the error is corrected. 1. Tray 1 Feeder, PL 8.10 Item 14 2. MCU Board, PL 3.10 Item 3

• Code: 03-470-00
• Description: Tray 6 Paper Mismatch
• Causes: Media size setting for Tray 6 differ from those reported by the Size Switch.
• Remedy: • Check media size settings for the tray from the Control Panel. • Reset the tray side and rear guides. • Check for obstructions blocking the Size Switch.
  Cycle system power. The error message is displayed. Y↓ N→Complete. Inspect the Tray 6 end guide. The end guide operates the Size Switch actuators. Y↓ N→Replace the Tray, Select dC330 codes 07-620, 07-630, 07-640. The switches are operational (high/low). Y↓ N→Replace the Size Switch. Remove the IOT, Tray 3, 4 and 5 from the Feeder. Check the Tray 6 Upper Option Harness. The harness is undamaged. Y↓ N→Replace the Upper Option Harness. Check option harness continuity through all trays. The harnesses are undamaged. Y↓ N→Replace damaged harnesses. Check the IOT Lower Option Harness. The harness is undamaged. Y↓ N→Replace the Lower Option Harness. Replace these components in order until the error is corrected. 1. Size Switch, PL 3.10 Item 9 2. Tray, PL 7.10 Item 23 3. Feeder Board, PL 8.30 Item 7 4. MCU Board, PL 3.10 Item 3

• Code: 03-480-00
• Description: HCF Paper Mismatch
• Causes: Media size setting for the HCF differs from those reported by the Size Switch. NOTE: Optional Tray numbering varies by configuration. When testing HCF components, use the dC330 codes appropriate for the HCF’s position. For example, if the configuration is 5 trays and the 5th tray is the HCF, use Tray 5 control codes.
• Remedy: • Check media size settings for the HCF from the Control Panel. • Check for obstructions blocking the media guide.
  Cycle system power. The error message is displayed. Y↓ N→Complete. Remove media and check operation of the length guide. The media guide moves smoothly. Y↓ N→Clear obstructions blocking guide movement. Select dC330 codes dependent on HCF position. The switches are operational (high/low). Y↓ N→Remove the IOT, Tray 3, and Tray 4 from the HCF. Check the HCF Option Harness. The harness is undamaged. Y↓ N→Replace the HCF Option Harness. Check option harness continuity through all trays. The harnesses are undamaged. Y↓ N→Replace damaged connectors. Check the IOT Lower Option Harness. The harness is undamaged. Y↓ N→Replace the Lower Option Harness. Replace the Size Switch, PL 7.25 Item 5. Replace these components in order until the error is corrected. 1. Size Switch, PL 7.25 Item 5 2. HCF Option Connector, PL 7.25 Item 15 3. Control Board, PL 7.25 Item 18 4. MCU Board, PL 3.10 Item 3

• Code: 03-600-00
• Description: A memory access failure has been detected within the Network Controller.
• Causes: • Cycle system power. • Reseat or remove optional memory.
• Remedy: Cycle system power. The error message is displayed. Y↓ N→Complete. Remove optional memory, if installed and retest. The error message is displayed. Y↓ N→Replace the optional memory using the instructions provided. Replace the IP Board.

• Code: 03-800-00
• Description: Hard Disk Drive Failure
• Causes: A Hard Disk Drive access failure detected.
• Remedy: • Cycle system power. • Reseat Hard Drive connection to the IP board.
  Cycle system power. The error message is displayed. Y↓ N→Complete. Replace the Hard Drive using the instructions provided. The error message is displayed. Y↓ N→Complete. Replace the IP Board.