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HP DesignJets 1050C and 1055CM Printers Service Manual
Banding in all of the colors
1 Make sure that the media selection made in the front panel is the
same as the media that you have loaded.
2 It is possible that the banding was caused because the customer was
using non-HP media. If the customer still wants to use non-HP
media, recalibrate the paper accuracy by performing the accuracy
calibration. Performing this will overwrite the default setting for
only the paper that you have selected.
NOTE:If the customer wants to use HP certified paper at a later stage, they can
restore the optimal setting to what it was by going to Utilities/Calibration/
Accuracy/Restore Factory.
3 Perform the printheads alignment procedure.
Aligning the Printheads
The printhead alignment selection causes the printer to align the
printheads immediately, or if an image is being printed, as soon as
the current print job is finished. The alignment procedure requires a
minimum paper size of A2 or C-size.
The printer will automatically perform an alignment when
printheads are replaced. You can use this feature if the Print Quality
Print indicates an alignment error.
NOTE You should not attempt to align the printheads with tracing
paper, vellum or clear film.
Service Accuracy Calibration
If the banding problem remains after using HP Media and trying the
above steps to resolve the problem, perform the Service Accuracy
Calibration ⇒ Page 5-6.
Utilities
Calibrations
Accuracy
Recalibrate
Calibrations
Full menu mode only
Printhead
Utilities
Alignment