EIO DISK 1 NOT FUNCTIONAL

Switch the Printer OFF and ON again and wait for the initialization. If the Error code continues to appear, switch the Printer OFF. Remove the EIO Card (if installed) and make sure that the Hard Disk Drive is installed correctly by pushing it firmly inwards and checking that the two installation screws are completely tightened. Switch the Printer ON again. If the error codes 09Axxx or 09Bxxx appear then replace the Hard Disk Drive. If the Error Code disappeared after removing the EIO Card, then switch the Printer OFF and reinstall the EIO Card, making sure that the two installation screws are completely tightened. Switch the Printer ON again. If the Error Code reappears, then the EIO Card could be faulty. Replace the EIO Card. If Error Code 09Cxxx appears after initialization, then replace the Electronics Module. Once the Error Code has been solved, print an Internal Demo Print to make sure that the Hard Disk Drive is functioning correctly. If the Error Code reappears, then use the above information to troubleshoot the problem.

In service test menu scroll to "3.Hard disc drive", & press enter, if test drive passed don't replace the hard disc or modification or changes. If test failed then check as shown below:
1 Switch the printer OFF. Remove the EIO Card (if installed) and re-install the Hard Disk Drive making sure it installed correctly by pushing it firmly inwards and checking that the two installation screws are completely tightened. Switch the printer ON again and repeat the Hard Disk Drive Test. If the Hard Disk Drive Test fails again then replace the Hard Disk Drive.
2 If the Hard Disk Drive Test passed after removing the EIO Card,then switch the Printer OFF and reinstall the EIO Card, making sure that the two installation screws are completely tightened.
Switch the Printer ON again and repeat the Hard Disk Drive Test. If the Hard Disk Drive Test fails, then the EIO Card could be faulty.Replace the EIO Card.
3 If the Hard Disk Drive Test continues to fail after replacing the EIO card or the Hard Disk Drive, then replace the Electronics Module..
I am having little knowledge, if I am wrong Pl don't comment, pl forgive me.

You have a problem with the device plugged into EIO slot 1. Most likely it's a JetDirect card. Turn power off and reseat the card. Power up, if problem is still there put the card in the other EIO slot. There should be 2 EIO slots. If it still fails you will have to replace the JetDirect

Welcome to FixYa
Dear User
Do Following Steps Carefully..

• Turn off Printer Power & Turn it On
• Unplug Printer power-Re seat EIO accessory in Slot and Switch on Printer
• power Off printer then Remove EIO Accessory from slot then Install in a other Eio slot and Turn it On..

Still Problem Replace the EIO accessory in slot....
Hope you got it...Thanks for Connecting FixYa..

check and replaced the i/o card or install to other slot

Hi;

if you HP 1050C Plus display System Error 04CXX Try the following Steps to resolved an error:

1.)Press ENTER and switch the printer OFF. Remove the Hard Disk Drive (if installed) and make sure that the EIO card is installed
correctly by pushing it firmly inwards and checking that the two installation screws are completely tightened. Switch the printer
ON again. If this error code continues to appear then replace the EIO card.

2.)If this Error Code disappeared after removing the Hard Disk Drive, then switch the Printer OFF and reinstall the Hard Disk Drive, making sure that the two installation screws are completely tightened. Switch the Printer ON again. If this Error Code reappears, then the Hard Disk Drive could be faulty.
Replace the Hard Disk Drive.


3.)If this system error continues to appear after replacing the EIO card or the Hard Disk Drive, then replace the Electronics Module...

System Error: 04Cxxx
Problem
Description:
EIO Accessories (EIO Card/Hard Disk Drive) Error.
Corrective Action: Try the following:
n Press ENTER and switch the printer OFF. Remove the Hard Disk
Drive (if installed) and make sure that the EIO card is installed
correctly by pushing it firmly inwards and checking that the two
installation screws are completely tightened. Switch the printer
ON again. If this error code continues to appear then replace the
EIO card.
n If this Error Code disappeared after removing the Hard Disk
Drive, then switch the Printer OFF and reinstall the Hard Disk
Drive, making sure that the two installation screws are
completely tightened. Switch the Printer ON again. If this Error
Code reappears, then the Hard Disk Drive could be faulty.
Replace the Hard Disk Drive.
n If this system error continues to appear after replacing the EIO
card or the Hard Disk Drive, then replace the Electronics Module


System Error: 0000D8 XXXXXXXX (Non-Continuable)
Problem
Description:
External Library Error.
Corrective Action: Refer to System Error Code 070100

System Error: 070100 XXXXXXXX (Non-Continuable)
Problem
Description:
Firmware Error.
Corrective Action: Power the Printer OFF and ON again to see if the System Error
disappears.
If the Error Code reappears, then report the error to the HP response
Center or the nearest HP Support Office, stating the following
information.
n Model and Serial Number of the printer.
n Which firmware revision the printer is using (See Note below).
Check firmware in Utilities / Statistics / Code rev.
n The complete error number (See Note below).
n The Service Configuration Print þ
n The Current configuration sheet.
n Which software application the customer is using (name, version, etc.).
NOTE When reporting the System Error Code, make sure that you
supply the full Error Code (including the last 8 numbers where
applicable) and the firmware version. Without this information,
HP Support Personnel cannot help you.

System Error: 09xxxx (Non-Continuable)
Problem
Description:
EIO Accessories (EIO Card/Hard Disk Drive) Error.
Corrective Action: Try the following:
n Switch the Printer OFF and ON again and wait for the initialization.
n If the Error code continues to appear, switch the Printer OFF.
Remove the EIO Card (if installed) and make sure that the Hard
Disk Drive is installed correctly by pushing it firmly inwards and
checking that the two installation screws are completely
tightened. Switch the Printer ON again. If the error codes 09Axxx
or 09Bxxx appear then replace the Hard Disk Drive.
n If the Error Code disappeared after removing the EIO Card, then
switch the Printer OFF and reinstall the EIO Card, making sure
that the two installation screws are completely tightened. Switch
the Printer ON again. If the Error Code reappears, then the EIO
Card could be faulty. Replace the EIO Card.
n If Error Code 09Cxxx appears after initialization, then replace the
Electronics Module
n Once the Error Code has been solved, print an Internal Demo
Print to make sure that the Hard Disk Drive is functioning
correctly. If the Error Code reappears, then use the above
information to troubleshoot the problem

System Error 04CXX Try the following Steps to resolved an eror:

1.)Press ENTER and switch the printer OFF. Remove the Hard Disk Drive (if installed) and make sure that the EIO card is installed
correctly by pushing it firmly inwards and checking that the two installation screws are completely tightened. Switch the printer
ON again. If this error code continues to appear then replace the EIO card.

2.)If this Error Code disappeared after removing the Hard Disk Drive, then switch the Printer OFF and reinstall the Hard Disk Drive, making sure that the two installation screws are completely tightened. Switch the Printer ON again. If this Error Code reappears, then the Hard Disk Drive could be faulty.
Replace the Hard Disk Drive.


3.)If this system error continues to appear after replacing the EIO card or the Hard Disk Drive, then replace the Electronics Module...

Afraid you'll need to replace the hard disk:0(