Problem: Printing quality in black ink is very bad with Genuine HP cartridges in HP envy 7855. There are several horizontal streaks on the paper. Enabled with/without best quality option during printing and no luck. There are more horizontal streaks as the printing progress and by page 5 or 6 the lines almost disappear. The issue is same with Black ink or grayscale only
The issue is not found when I print with color option for black white document. I have replaced cartridges with genuine HP cartridges and the issue still persists.
The printer has the latest firmware.
Troubleshooting: Performed cleaning cartridges as per the instructions in forums as well as on printer and no luck.
Can somebody help how to resolve it? I have already replaced couple of HP black ink cartridges
I have gone through your Post and I appreciate all your efforts and expertise in troubleshooting this issue
At this point I suggest you contact HP Support in your region for service options
1) Click on this link - www.hp.com/contacthp/
2) Select your product type below.
3) Enter the serial of your device.
4) Select the country from the drop-down.
5) Select the chat or get phone number options based on your preferences.
6) Fill the web-form and proceed further.
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