HP Photosmart Pro B8850 Printer - Manuel (Page 41)

Solution: Make sure all eight ink cartridges are compatible with the
printer and are installed correctly. If a "Cannot print" error message is
displayed on your computer screen, replace the indicated ink
cartridges. For more information, see
Error message: Cannot print . If
a “Cannot print” error does not appear on your computer screen and
the ink cartridges are correctly installed, the indicated ink cartridges
may be damaged.
Check to see if your ink cartridge is still under warranty:
• If the end of warranty date has been reached, purchase a new ink
cartridge.
• If the end of warranty date has not been reached, contact HP
support. For more information, see
HP support .
Printhead light On The printer is busy servicing, aligning the printheads, or performing
color calibration.
Ink cartridge lights
Printhead light • Ink cartridge lights:
Flashing (two cartridge
lights corresponding to the
colors that serve the
affected printhead)
• Printhead light: Flashing
One or more printheads are missing, not detected, damaged, or
incompatible.
Solution: Make sure the indicated printhead is installed correctly and
the printhead assembly cover is closed and latched. If the printhead is
installed correctly but the lights continue to flash, the printhead may
be damaged. Contact HP support for special instructions on
troubleshooting printhead problems.
Toolbox light Flashing quickly The printer was unable to open the Toolbox (Windows)/HP Printer
Utility (Mac) on the computer screen.
Solution: Make sure the computer is on and connected to the printer,
and then press the Toolbox button again. If the Toolbox (Windows)/
HP Printer Utility (Mac) does not open, try restarting the computer and
then pressing the Toolbox button again. If the Toolbox (Windows)/
HP Printer Utility (Mac) still does not open, reinstall the printer
software.
Flashing slowly The printer is busy opening the Toolbox (Windows) or HP Printer Utility
(Mac) on the computer screen.
All lights Flashing quickly The printer has an irrecoverable hardware error.
Solution: Turn off the printer, and then unplug the power cord frorm
the back of the printer. Wait 30 seconds and then plug the printer back
in and turn it on. If all of the printer lights continue to flash, go to
www.hp.com/support or contact HP support.
Appendix A
(continued)
38 Error states and indicator light behavior
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