HP 750 - Manual (Page 191)

Print Quality C4705-90000 9-13
PrintĆQualityDiagnostic Plots
CAD 2ĆD Monochrome Plot (Service Test 13 ' page 8Ć33)
Objectives
The main objectives of this plot (represented below) is to check the verticalĆline straightness
of monochrome lines. The plot can be done in a unidirectional or biĆdirectional mode, so you
can distinguish the thetaĆZ error from the biĆdirectionalone.
The second objective is to check performance of the cartridge. The plot includes an area fill,
and a number of parallel lines that show up directional problems. There is also a nozzle
checkout with which you can identify faulty or weak nozzles.
1. Area Fill
2. Nozzle Checkout
3. VLS
Print Modes
A specialprint mode is used to print the plot without adding noise to the data. This is
independent of the printĆquality and media settings on the front panel. The following are the
parameters of this print mode:
D Two possible printing directions:
D Unidirectional.
D BiĆdirectional.
D Monochrome.
D Resolution 600 dpi.
D Swath advance of 0.32 inches (192 nozzles).
D 1 pass per swath.