Before Performing the Accuracy Calibration

1Unde, no,mal en0i,onmen.al condi.ion- and on H￿ Ma..e Film D/A15-ize media￿ plo. a d,a1ing .ha. con.ain- .1o •X" ma,k- nominall2 po-i.ioned ￿00 mm ￿19￿￿9 in￿￿ apa,.￿

2Mea-/,e .he di-.ance be.1een .he cen.e,- of .he •X" ma,k- on .he plo.￿

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

1￿lace a -hee. of H￿ Ma..e Film o0e, .he .op of .he ￿,in.e, fo, 10 min/.e-

.o le. .he -hee. -.abilize .o .he en0i,onmen.al condi.ion-￿ Use a sheet of approximate size A1 or D.

You mu￿￿ u￿e HP Ma￿￿e Film￿ Otherwise the optical sensor on the carriage will be calibrated incorrectly, and the Printer will have problems loading some types of media.

2En.e, in.o Service Mode 2￿ b2 po1e,ing ON .he ￿,in.e, 1hile holding do1n .he Media Source ke2￿

3￿e. .he Media Type on .he f,on. panel .o Coated Paper￿

4Load .he film￿ 1i.h .he ma..e ￿d/ll￿ -ide do1n￿ in po,.,ai. o,ien.a.ion in.o

.he ￿,in.e,￿

5When .he Ready LED ligh.- /p￿ p,e-- Reprint ke2.

The Read￿ 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 Load Media LED lights up.

6Unload .he -hee.￿

7Wai. /n.il .he ink on .he -hee. i- d,2￿

8C/. .he -hee. along .he do..ed line and ,eload .he -hee. facedown in.o

.he ￿,in.e,￿ in .he di,ec.ion indica.ed b2 .he a,,o1- on .he calib,a.ion plo. ￿-ee Fig/,e 2￿￿

The Read￿ 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.

9Unload .he -hee.￿

Service Calibrations

HP DesignJet 430, 450C and 455CA Printers

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