HP PageWide XL 4000 User Guide - Page 156

Calibration procedure, Select all, After the calibration

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Calibration procedure 1. Tap Calibrate print bar, then Continue. 2. Make sure that you have loaded a roll of HP Production Matte Polypropylene, 40 in (1016 mm) wide, for best results and least waste. NOTE: You are highly recommended to use HP Production Matte Polypropylene, 40 in (1016mm) wide, to calibrate the print bar. If you don't have this paper type, or uniform color is not very important to you (such as when printing only CAD drawings), you can disable color calibration to shorten calibration time and paper usage, by tapping and checking the box Only printhead alignment in the optimize-print-quality settings. Thereafter, the printer will perform only alignment when this routine is launched. In that case, you can run the print-bar calibration using a different paper type. If do not use the widest roll that you have, some rolls may remain uncalibrated and the printer will ask for extra calibrations later. 3. Color calibration takes about 16 minutes and uses about 1 m (39 in) of paper. 4. Printhead alignment takes about 16 minutes and uses about 1.3 m (51 in) of paper. 5. After the calibration, the printer uses the results to calculate calibrations for all other paper types. If the print-bar calibration fails with an error message or leaves some dies misaligned, print the Diagnostics Plot and make sure there are no large contiguous groups of missing nozzles. If there are large contiguous groups of missing nozzles, follow the printhead recovery procedure. Select all By checking the Select all box, you can do both basic routines: check and recover the print bar, and calibrate the print bar. This can be useful when these routines have not been done for a while, or if you are unsure which routine is appropriate. 150 Chapter 9 Print quality ENWW

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Calibration procedure
1.
Tap
Calibrate print bar
, then
Continue
.
2.
Make sure that you have loaded a roll of HP Production Matte Polypropylene, 40 in (1016 mm) wide, for
best results and least waste.
NOTE:
You are highly recommended to use HP Production Matte Polypropylene, 40 in (1016mm) wide, to
calibrate the print bar.
If you don't have this paper type, or uniform color is not very important to you (such as when printing only
CAD drawings), you can disable color calibration to shorten calibration time and paper usage, by tapping
and checking the box
Only printhead alignment
in the optimize-print-quality settings. Thereafter, the
printer will perform only alignment when this routine is launched. In that case, you can run the print-bar
calibration using a
diļ¬€erent
paper type.
If do not use the widest roll that you have, some rolls may remain uncalibrated and the printer will ask for
extra calibrations later.
3.
Color calibration takes about 16 minutes and uses about 1 m (39 in) of paper.
4.
Printhead alignment takes about 16 minutes and uses about 1.3 m (51 in) of paper.
5.
After the calibration, the printer uses the results to calculate calibrations for all other paper types.
If the print-bar calibration fails with an error message or leaves some dies misaligned, print the Diagnostics Plot
and make sure there are no large contiguous groups of missing nozzles. If there are large contiguous groups of
missing nozzles, follow the printhead recovery procedure.
Select all
By checking the
Select all
box, you can do both basic routines: check and recover the print bar, and calibrate the
print bar. This can be useful when these routines have not been done for a while, or if you are unsure which
routine is appropriate.
150
Chapter 9
Print quality
ENWW