I have just changed the ink in my printer and I have received an error message C18a0206. I can't locate this in my documentation. What is the problem?

PERFORM THE FOLLOWING STEPS:
A. - Press and hold the “*” key.
B. - Press the “#” key and release both keys.
Display should say “Enter Special Key Combo”
C. - Press and release in sequence the “1”, “2” and “3” buttons.
Display should say “Support” and display the FW rev (something like R0631R)
1. Press and release the right arrow button until the display says “System Configuration Menu”.
2. Press and release the “OK” button.
3. Display should say “Hardware failure status”. If not there already, Arrow Key over to “Hardware failure status”,
4. Press and release the “OK” button.
5. Display should say “Hardware failure status: Clear. Press OK to clear”.
6. Press and release the “OK” Button. Message changes to “Hardware failure status Cleared. Press Cancel to continue”.
7. Press and release the “CANCEL” button as many times as necessary, so that, either the “Welcome to Photosmart Express” screen appears, or, the “Ink System Failure” screen appears. PLEASE DO NOT TRY TO PRINT AT THIS STAGE.
8. Using the Power Button, turn the unit OFF and unplug the power cable from back of the printer and wall outlet.
9. Wait 30 seconds for the power to get discharged and then plug the power cable into the wall outlet first and then into the back of the printer
10. Turn the unit on. The printer may display message “USE POWER BUTTON TO SHUTDOWN THE PRINTER” followed by “PRESS OK TO CONTINUE”. Press OK.
11. If the printer has already initialized, then go to the next step. If not, the printer will start the “ONE TIME INK INITIALIZATION PROCESS”. Allow this process to complete and do not interrupt. Once the initialization process is complete, the printer will print out a Diagnostic Page.
12.To verify printer functionality print a SELF TEST PAGE. If SELF TEST prints, then printer is ready for use or Software Installation.
13. If the error is still there, or reoccurs replace the unit.

Please follow the below steps and the issue will be fixed. STEP 1. 1. Un plug the power chord from the back of the printer. 2. Press and hold the power button of the printer.Wait for 30 seconds. 3. While holding the power button, re-plug the power cable. 4. Turn on the printer, if it is not on. STEP 2. A. - Press and hold the ?*? key. B. - Press the ?#? key and release both keys. Display should say ?Enter Special Key Combo? C. - Press and release in sequence the ?1?, ?2? and ?3? buttons. Display should say ?Support? and display the FW rev (something like R0631R) 2. Press and release the right arrow button until the display says ?System Configuration Menu?. (on C8100 use Touch Screen 3. Press and release the ?OK? button. 4. Display should say ?Hardware failure status?. If not there already, Arrow Key over to ?Hardware failure status?, 5. Press and release the ?OK? button. 6. Display should say ?Hardware failure status: Clear. Press OK to clear?. 7. Press and release the ?OK? Button. Message changes to ?Hardware failure status Cleared. Press Cancel to continue?. 8. Press and release the ?CANCEL? button as many times as necessary, so that, either the ?Welcome to Photosmart Express? screen appears, or, the ?Ink System Failure? screen appears. PLEASE DO NOT TRY TO PRINT AT THIS STAGE. 9. Using the Power Button, turn the unit OFF and unplug the power cable from back of the printer and wall outlet. 10. Wait 30 seconds for the power to get discharged and then plug the power cable into the wall outlet first and then into the back of the printer 11. Turn the unit on. The printer may display message ?USE POWER BUTTON TO SHUTDOWN THE PRINTER? followed by ?PRESS OK TO CONTINUE?. Press OK. 12. If the printer has already initialized, then go to the next step. If not, the printer will start the ?ONE TIME INK INITIALI-ZATION PROCESS?. Allow this process to complete and do not interrupt. Once the initialization process is complete, the printer will print out a Diagnostic Page. 13. To verify printer functionality print a SELF TEST PAGE. If SELF TEST prints, then printer is ready for use or Software Installation. Please come again and give the vote if the issue is fixed as it will really motovate me to help people.

This issue might occur if the cartridges is defective or hardware of the unit is defective. Please replace the cartridge and verify the result.

Also please visit the following HP web link:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00489814&cc=uk&lc=en&dlc=en&product=1153494

:) Dr Tony