user manual
Service Calibrations
5-3
HP DesignJet 430, 450C and 455CA Printers
Before Performing the Accuracy Calibration
1 ) !, )*,(' !)0%,*)(!).' *) %.%*)- ) *) ..! %'( 5-%3!
(! % +'*. ,1%)# .$. *).%)- .1* 4 (,&- )*(%)''2 +*-%.%*)!
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Accuracy calibration is needed if this distance is not 500 mm (19.69 in)
1 mm (0.04 in).
If the measured accuracy, media thickness, or environmental conditions
vary greatly from the factory standards, recalibrate the Printer by
continuing with the following procedure.
Performing the Accuracy Calibration
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.* '!. .$! -$!!. -.%'%3! .* .$! !)0%,*)(!).' *) %.%*)-
Use a sheet of approximate size A1 or D.
Otherwise the optical sensor on the
carriage will be calibrated incorrectly, and the Printer will have
problems loading some types of media.
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*1) .$! Media Source &!2
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5 $!) .$! Ready '%#$.- /+ +,!-- Reprint &!2
.
The LED begins to flash and the Printer takes several minutes to
plot the calibration plot (see Figure 1). The Printer ejects the sheet, and the
LED lights up.
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The LED begins to flash. The Printer takes less than 10
minutes to: read the calibration sheet; calculate the calibration data;
save the data in the EEROM; and eject the sheet.
9 )'* .$! -$!!.