HP 2000CP 2500CP - Manual (Page 151)

Print Quality 6-9 HP DesignJet CP Series Printers
Example A
Banding Problem 1: Banding in cyan, blue and green columns only, but
more evident in cyan than in blue and green
columns.
Problem Description: This is an indication that the cyan printhead may
require servicing or could be damaged.
Corrective Action: Refer to Test Pattern 3
' page 6-13 to
troubleshoot the Cyan Color.
Banding Problem 2: Banding in magenta, red and blue columns only,
but more evident in magenta than in red and blue
columns.
Problem Description: This is an indication that the magenta printhead
may require servicing or could be damaged.
Corrective Action: Refer to Test Pattern 3
' page 6-13 to
troubleshoot the Magenta Color.