Is it possible to go back to the previous firmware? I've been having a lot of problems with print quality with our 330, prints are very grainy and mottled. I've tried all the suggestions on here and in the manual and replaced all printheads etc. We've had the printer just over 12 months and it suddenly starting happening a couple of months ago around the same time the firmware was updated so i am wondering if that could be the cause? Also i can't find an option to turn vertical correction on/off in the printer or the rip (onyx ripcenter)?
Yes it is possible to downgrade your firmware version, but not always, depending on the firmware version just HP can provide permissions to do that. Which means you need to contact with support team.
However if you are suffering grayness, most probably the solution will be to increases number of passes and level of OPT% and increase passes.
I hope this information helps
Hi Sonia thanks for the reply, i will speak to HP and see what they suggest. We've been using the same media for the past 12 months with no issues until now. I've tried everything different passes, ink saturation, optimiser levels etc. I can get it slightly better but no where near what it was before and it has slowed down the printing speed a lot. The only other thing i can think of is the firmware upgrade being the cause, or possibly dodgy ink cartridge, running out of ideas! Is there a way to get vertical correction as an option back on the printer? Really dissapointed that this has happened as it's only about 13 months old, our previous hp 5000 lasted years with very few issues!
If you have check that the Status of the Printheads are fine and the issue just arises after the firmware upgrade I suggest you to contact your support service.
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