HP Designjet Z6100 Printer series - Page 198

188 Chapter 6 Print Quality
Print Quality
What to see in the Auto Pen Alignment Diagnostics:
1. At the left we have four checks for the pen to pen alignment in scan axis direction (Pen2Pen-Fwd or
Pen2Pen-Rev). It is forward and reverse.
a.
The top pattern is related to the front printhead (nearest to the user when doing the
pen replacement).
b. The bottom pattern is related to the rear printhead (more far to the user when doing
the pen replacement)
The area to check is the junction (marked with a “-”) of the black with the rest of colors.
2. The bidirectional check is at the top, marked as number 2 (Bidir)
a.
The top pattern is related to the front printhead (nearest to the user when doing the
pen replacement).
b. The bottom pattern is related to the rear printhead (more far to the user when doing
the pen replacement)
Check that the lines are continuous without a gap. The junction is marked with a “-”
3. The pen to pen alignment in paper advance direction (PAD) is marked as number 3.
At 30 ips
At 40 ips
At 60 ips
Dye Overlap