HP DesignJet T795 Using your printer - Page 162
Corrective action, If you still have a problem
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Corrective action 1. Clean any faulty printheads (see Clean the printheads on page 157). Then reprint the Image Diagnostics Print to see whether the problem has been solved. 2. If the problem remains, clean the printheads again, and reprint the Image Diagnostics Print to see whether the problem has been solved. 3. If the problem remains, consider cleaning your printheads manually (see Clean the printheads on page 157). You could also try reprinting your current print job, in case it now prints satisfactorily. 4. If the problem remains, try cleaning the printhead drop detector. The printer normally notifies you when this is necessary, but it may be worth trying even if the printer has not suggested it. See Clean the printhead drop detector on page 157. 5. If the problem still remains, replace any persistently faulty printheads (see Handling ink cartridges and printheads on page 105), or contact HP Support (see Contact HP Support on page 173). If you still have a problem If you still experience print-quality problems after applying the advice in this chapter, here are some further things that you can do: ● Try using a higher print-quality option. See Printing on page 46. ● Check the driver you are using to print with. If it is a non-HP driver, consult the driver vendor about the problem. You could also try using the correct HP driver, if feasible. The latest HP drivers can be downloaded from http://www.hp.com/go/T790/drivers or http://www.hp.com/go/T1300/drivers. ● If you are using a non-HP RIP, its settings may be incorrect. See the documentation that came with the RIP. ● Check that your printer's firmware is up to date. See Update the firmware on page 117. ● Check that you have the right settings in your software application. 154 Chapter 17 Troubleshooting print-quality issues ENWW