Bidirectional Error

You can see an example of a bidirectional error in Figure 3. If you print the same plot using a unidirectional print mode, the error should not appear.

This error can occur for various reasons, including:

DIncorrect distance between nozzles and media. (Adjustment ' chapter 5.)

DEncoder*strip slots are damaged or dirty.

DDirt on the pulley is causing the belt to slip.

DFriction between carriage bushings and slider rod:

Theta￿Zeta Error

You can see an example of a Theta*Zeta error in Figure 3. They appear when the rows of nozzles on a cartridge are not perpendicular to the carriage axis (Y*axis).

This error can occur for various reasons, including:

DBadly seated cartridge.

DFaulty cartridge.

DFaulty carriage.

Figure 4

6-8

HP DesignJet 430, 450C and 455CA Printers

Print Quality