Checkerboard pattern prints throughout image with Print Tppl and WN Piezo 7880, 9880

InkjetMall Customer Support Printer Maintenance & Cartridges
1

Checkerboard pattern prints throughout image with PrintTool and WN Piezo inks (7880, 9880). 16 bit or 8 bit files. Appears to be in darkest tones. Only happens on some images. No pattern is seen in PhotoShop or on the screen with PrintTool. Any idea how to correct this?

2

Can you post an image of the print and nozzle check?