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Ink Supplies Troubleshooting
3-18
HP DesignJets 500, 510 and 800 Series Printers Service Manual
Now, if a Printhead is removed (even after Level 3 recovery has
been performed) and the minimum life expectancy has not been
reached, the Printhead will be marked "Removed - too early".
If a customer complains about having to replace the Printheads
frequently before the minimum life expectancy has been reached,
using the information obtained with the Printhead History Utility
you can determine if the Printer is causing repetitive problems to the
Printheads as follows:
1 Enter the Printhead History Utility and Select the color of the
Printhead that is experiencing the replacement problem. In the
following example, Printheads 2, 3 and 4 were removed too early:
2 In order to check if the recovery process (
Troubleshooting
procedure
) was performed on each Printhead, select the Printhead
and press the Enter key.
As you can see in the above example, all the Printheads were
removed before the minimum life expectancy was reached (Ink
Black P/H history
1 Installed - OK
2 Removed - too early
3 Removed - too early
4 Removed - too early
Select for more info:
5 Removed - Err 0025
These 3 Printheads were
removed from the Printer
before the minimum life
expectancy was reached.
PH Info - Black #2
Usage time: 135 days
P/H cleaning: 3
Error code:
Removal date: 20-Feb-02
Ink used: 260 cc (49%)
PH Info - Black #3
Usage time: 201 days
P/H cleaning: 3
Error code:
Removal date: 20-Sep-01
Ink used: 355 cc (67%)
PH Info - Black #4
Usage time: 65 days
P/H cleaning: 3
Error code:
Removal date: 24-Nov-00
Ink used: 127 cc (24%)
Black P/H history
1 Installed - OK
2 Removed - too early
3 Removed - too early
4 Removed - too early
Select for more info:
5 Removed - Err 0256
If 3 or more Printheads
have been removed too
early and the P/H cleaning
code for all of them is 3
then try the troubleshooting
Summary
steps on the following page.