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HP Designjet 5000 and 5500 Series Printers - TWI: System Error 0B0007
In this document:
KRS document number: BPP90140
Last Updated: 04-Dec-2002
Minimum skill level: 2
The printer is unable to detect the vacuum fan. Follow the steps listed below to determine the actual cause of the error and to replace the necessary parts.
Parts required (part numbers are subject to change)
Part description
| HP Designjet 5000 series models - C6090A/V, C6091A/V, C6095A/V, C6096A/V
| HP Designjet 5500 series models - Q1251A/V, Q1252A/V, Q1253A/V, Q1254A/V |
Vacuum fan assembly (Required) |
C6090-60095 |
C6090-60095 |
Main PCA (Required) |
C6090-60317 |
Q1251-60030 |
NOTE: If Removal and Installation instructions are needed for reference during any repairs performed, refer to the 5000 and 5500 Series Service Manual available on the Partner Care Web site for review or download.
Troubleshooting steps
If parts are replaced or fixed in any of the steps listed below, attempt to verify printer functionality by turning the printer on and printing internal test prints. If functionality is verified, no additional parts should be replaced.
- Turn the printer off, using the main power switch located on the back of the printer.
- After 10-15 seconds, turn the main power switch on.
- If no error appears, attempt to verify printer functionality.
- If the error re-appears, continue with the remaining steps.
- Ensure the vacuum fan is connected correctly to the electronics module (refer to pages 8-97 of the service manual). If reconnected correctly, attempt to verify functionality. If problems persist continue with the remaining steps.
WARNING: To prevent possible injury, always remove the power cable from the back of the printer before connecting/disconnecting any internal printer cables or performing any repairs.
- Turn the printer off and disconnect the vacuum fan from the Main PCA.
- Connect the new vacuum fan to the electronics module and turn the printer on.
- If the new vacuum fan functions correctly without any error codes, then remove the old vacuum fan from the printer and install the new one (refer to pages 8-103 of the service manual). Following replacement, turn the printer on and attempt to verify functionality.
- If the new vacuum fan does not function correctly or problems persist, replace the electronics module (refer to pages 8-97 of the service manual).
- Following replacement, turn the printer on and perform all Service Calibrations and the EEROM Setup Service Utility (instructions below).
- After performing the Service Calibrations and the EEROM Setup, run the Backup EEROM Service Utility (instructions below).
- Turn the printer off then on and verify functionality.
Performing service tests, service utilities and service calibrations
- Turn the printer on.
- When the "READY" message is displayed on the front-panel, scroll to the Printer Setup Options icon and press ENTER.
- Using the Arrow keys, scroll to Utilities and press ENTER.
- Once inside the Utilities menu, press the Up Arrow key and the ENTER key simultaneously.
- Scroll to the necessary menu (Service Tests, Service Utilities, or Service Calibrations) and press ENTER.
- Once inside the appropriate menu, scroll to the needed test and press ENTER to start the test.
Backup EEROM service utility
- Turn the printer on.
- When the "READY" message is displayed on the front panel, scroll to the Printer Setup Options icon and press the ENTER key.
- Using the Arrow keys, scroll to Utilities and press ENTER.
- Press the Up Arrow key and the ENTER key simultaneously.
- Select Service Utilities and press ENTER.
- Scroll to 1.6 Backup EEROM and press ENTER.
- Select the part replaced (Main PCA) and press ENTER.
- A message confirming the selection will appear, press ENTER to confirm (if the wrong part is selected, press BACK to cancel).
- The printer will perform the backup and display the message, "Backup performed correctly."
- Press the BACK key to return to the previous menu.
- Press the BACK key again to return to the Service Utilities menu.
- Turn the printer off then on and verify functionality.
Copyright Hewlett-Packard Co. 2001
This information is subject to change without notice and
is provided "as is" with no warranty.
Hewlett-Packard shall not be liable for any direct,
indirect, special, incidental or consequential damages
in connection with the use of this material.
