HP Scitex FB910 HP Scitex FB910 Printer Series - User Manual - Page 76

key to change the display to, pattern in alignment. Since the black vertical bars are nomi

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Use a printer's loupe to select the pattern, since the lines in the patterns may be difficult to see. Fig. 4-3. BiDi Registration pattern 6. Press the , or ) control panel keys repeatedly until the number next to the pattern that is closest to aligned perfectly is displayed. For example, if pattern +2.0 is the closest aligned, press the , key to change the display to: Bidi registration Head 1: +2 If a printhead is extremely out of alignment, there may be no pattern in alignment. Since the black vertical bars are nominally five pixels apart, you can add +5 or -5 to a pattern number to shift the colored bars right or left by one black bar. Alternatively, you can perform the BiDi Registration repeat- 4-14 Manual Calibrations

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4-14
Manual Calibrations
Use a printer’s loupe to select the pattern, since the lines in
the patterns may be difficult to see.
6.
Press the
or
control panel keys repeatedly until the
number next to the pattern that is closest to aligned perfectly
is displayed.
For example, if pattern +2.0 is the closest aligned, press the
key to change the display to:
Bidi registration
Head 1: +2
If a printhead is extremely out of alignment, there may be no
pattern in alignment. Since the black vertical bars are nomi-
nally five pixels apart, you can add +5 or -5 to a pattern num-
ber to shift the colored bars right or left by one black bar.
Alternatively, you can perform the BiDi Registration repeat-
Fig. 4-3. BiDi Registration pattern