• Code: 11.00.02
• Display: 11.00.01 or 11.00.02 Internal clock error
• Description: The printer real time clock has experienced an error. 01=dead clock 02=dead real time clock
• Remedy: 1. Whenever the printer is turned off and then turned on again, set the time and date on the control panel. 2. If the error persists, you might need to replace the formatter.

• Code: 13.00.00
• Display: 13.00.00
• Description: Generic jam event code.
• Remedy: Check the printer for a jam.

• Code: 13.00.EE
• Display: 13.00.EE
• Description: Unknown door open.
• Remedy: make sure that all of the doors and covers are closed.

• Code: 13.A3.DX
• Display: 13.A3.DX
• Description: Media Delay Jam in Tray X. Media did not reach the Tray 3 Feed sensor (SR21) in the designated amount of time printing from Tray X. The 550 Sheet feeders can be stacked for 3 extra trays. These trays have all the same sensors and connectors. • 13.A3.D3 Media did not reach the Tray 3 feed sensor in the designated amount of time printing from Tray 3. • 13.A3.D4 Media did not reach the Tray 3 feed sensor in the designated amount of time printing from Tray 4. • 13.A3.D5 Media did not reach the Tray 3 feed sensor in the designated amount of time printing from Tray 5.
• Remedy: 1. Open Tray X, remove any jammed paper, and then close the tray.2. Open and close the upper right door to allow the printer to attempt to clear the jam. 3. Make sure that the tray width and length guides are set to the correct paper size being installed into the tray and that the tray is not over filled above fill mark and over the tab on the tray. 4. Make sure that the Tray X pickup, feed, and separation roller are installed correctly and show no damage or wear. 5. Clean or replace the pickup/feed rollers as needed. 6. If printer has multiple 550 sheet feeders swap feeder position and test. 7. Check the connectors at the sensor (J1904), feed motor (J1903), on the Paper Feeder controller PCA for Tray 3. 8. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests9. Test SR21 using the Tray/Bin Manual sensor test to verify that the sensors are functioning correctly.10. Run the Tray X pickup/feed motor drive test to verify that the feed motor is functioning correctly (listen for the motor to activate). If it is not, replace the pickup assembly.11. If the error persists, replace the paper pickup assembly.

• Code: 13.A4.DX
• Display: 13.A4.DX
• Description: Media Delay Jam in Tray X. Media did not reach the Tray 4 Feed sensor (SR21) in the designated amount of time printing from Tray X. The 550 Sheet feeders can be stacked for 3 extra trays. These trays have all the same sensors and connectors. • 13.A4.D4 Media did not reach the Tray 3 feed sensor in the designated amount of time printing from Tray 4. • 13.A4.D5 Media did not reach the Tray 3 feed sensor in the designated amount of time printing from Tray 5.
• Remedy: 1. Open Tray X, remove any jammed paper, and then close the tray.2. Open and close the upper right door to allow the printer to attempt to clear the jam. 3. Make sure that the tray width and length guides are set to the correct paper size being installed into the tray and that the tray is not over filled above fill mark and over the tab on the tray. 4. Make sure that the Tray X pickup, feed, and separation roller are installed correctly and show no damage or wear. 5. Clean or replace the pickup/feed rollers as needed. 6. If printer has multiple 550 sheet feeders swap feeder position and test. 7. Check the connectors at the sensor (J1904), feed motor (J1903), on the Paper Feeder controller PCA for Tray 4. 8. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests9. Test SR21 using the Tray/Bin Manual sensor test to verify that the sensors are functioning correctly.10. Run the Tray X pickup/feed motor drive test to verify that the feed motor is functioning correctly (listen for the motor to activate). If it is not, replace the pickup assembly.11. If the error persists, replace the paper pickup assembly.

• Code: 13.A5.D5
• Display: 13.A5.D5
• Description: Media Delay Jam in Tray X. Media did not reach the Tray 5 Feed sensor (SR21) in the designated amount of time printing from Tray X. • 13.A5.D5 Media did not reach the Tray 5 feed sensor in the designated amount of time printing from Tray 5.
• Remedy: 1. Open Tray X, remove any jammed paper, and then close the tray.2. Open and close the upper right door to allow the printer to attempt to clear the jam. 3. Make sure that the tray width and length guides are set to the correct paper size being installed into the tray and that the tray is not over filled above fill mark and over the tab on the tray. 4. Make sure that the Tray X pickup, feed, and separation roller are installed correctly and show no damage or wear. 5. Clean or replace the pickup/feed rollers as needed. 6. If printer has multiple 550 sheet feeders swap feeder position and test. 7. Check the connectors at the sensor (J1904), feed motor (J1903), on the Paper Feeder controller PCA for Tray 5. 8. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests9. Test SR21 using the Tray/Bin Manual sensor test to verify that the sensors are functioning correctly.10. Run the Tray X pickup/feed motor drive test to verify that the feed motor is functioning correctly (listen for the motor to activate). If it is not, replace the pickup assembly.11. If the error persists, replace the paper pickup assembly.

• Code: 13.Ax.FF
• Display: 13.Ax.FF
• Description: Residual Media Jam in Tray X. This jam occurs when residual media is detected at the Tray X feed sensor (SR21). • 13.A3.FF Residual Media Jam in Tray 3 • 13.A4.FF Residual Media Jam in Tray 4. • 13.A5.FF Residual Media Jam in Tray 5.
• Remedy: action1. Open Tray X, remove any jammed paper, and then close the tray.2. Open and close the upper right door to allow the printer to attempt to clear the jam.3. Make sure that the Tray X pickup, feed, and separation roller are installed correctly and show no damage or wear.4. Clean or replace the pickup/feed rollers as needed.5. Check the connectors at the sensor (J1904), feed motor (1903), and the Paper Feeder controller PCA.6. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests7. Test SR21 using the Tray/Bin Manual sensor test to verify that the sensors are functioning correctly.8. Run the Tray X pickup/feed motor drive test to verify that the feed motor is functioning correctly (listen for the motor to activate). If it is not, replace the pickup assembly.9. If the error persists, replace the paper pickup assembly.

• Code: 13.B2.Az
• Display: 13.B2.Az Jam in Right door
• Description: Media STAY jam in top cover at image area. Paper present at SR6 after specified time limit passed • 13.B2.A1 This jam occurs when the media is present longer than "the expected media length plus 50mm" or more is detected at the Registration sensor (SR6) when printing from the Tray 1. • 13.B2.A2 This jam occurs when the media is present longer than" the expected media length plus 50mm" or more is detected at the Registration sensor (SR6) when printing from the Tray 2. • 13.B2.A3 This jam occurs when the media is present longer than "the expected media length plus 50mm" or more is detected at the Registration sensor (SR6) when printing from the Tray 3. • 13.B2.A4 This jam occurs when the media is present longer than "the expected media length plus 50mm" or more is detected at the Registration sensor SR6) when printing from the Tray 4. • 13.B2.AD This jam occurs when the media is present longer than "the expected media length plus 50mm" or more is detected at the Registration sensor (SR6) when printing from the Duplexer..
• Remedy: 1. Open upper right door and check for media jammed in feed area.2. Test the top of page sensor (SR6) to ensure that it moves freely.3. Check the ITB and T2 roller at transfer area, make sure everything is properly seated and there are no damaged parts.4. Ensure the type and quality of the media that you are using meet HP specifications.5. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests6. Test Registration Sensor Test (TOP sensor) (SR6) using the Tray/Bin manual sensor test to verify that the sensor is functioning correctly. If not replace the Registration assembly.7. Test the Media Width sensors SR13 and SR14 if defective replace the Registration assembly.8. If sensor functioning properly, run a few pages to check where the leading edge of the paper actually stops. 9. Test the registration assembly and check connectors J118 and J16 on the DC Controller.10. If any test shows defective part replace the appropriate assembly.