HP 5000ps Service Manual - Page 63

Ink Supplies Troubleshooting 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: Black P/H history Select for more info: 1 Installed - OK 2 Removed - too early 3 Removed - too early 4 Removed - too early 5 Removed - Err 0025 These 3 Printheads were removed from the Printer before the minimum life expectancy was reached. 2 In order to check if the recovery process (Troubleshooting procedure) was performed on each Printhead, select the Printhead and press the Enter key. Black P/H history Select for more info: 1 Installed - OK 2 Removed - too early 3 Removed - too early 4 Removed - too early 5 Removed - Err 0256 Summary 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 steps on the following page. PH Info - Black #2 Ink used: 260 cc (49%) Usage time: 135 days P/H cleaning: 3 Error code: Removal date: 20-Feb-02 PH Info - Black #3 Ink used: 355 cc (67%) Usage time: 201 days P/H cleaning: 3 Error code: Removal date: 20-Sep-01 PH Info - Black #4 Ink used: 127 cc (24%) Usage time: 65 days P/H cleaning: 3 Error code: Removal date: 24-Nov-00 As you can see in the above example, all the Printheads were removed before the minimum life expectancy was reached (Ink HP DesignJets 500 and 800 Series Printers Service Manual 3-17