HP 450c Support Question
HP 450c Support Question
Find answers below for this question about HP 450c - DesignJet Color Inkjet Printer.Need a HP 450c manual? We have 4 online manuals for this item!
Question posted by chellCharAa on December 9th, 2013
How To Adjust The Image Placement On Hp Designjet 430
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Related HP 450c Manual Pages
HP DesignJet 430, 450C, and 455CA Printer - User's Guide - Page 186
...page size, 3-3
adjusting, 3-4 and clipping, 3-6 palette, glossary definition, 11-3 Paper, front-panel light, 8-6 paper. Index
Media, front-panel light, 8-5 media, 2-1
bin, 2-2 care of, 2-2 choosing, 2-2 deflector, glossary definition, 11-3 drying time, 2-25 environmental specifications, 10-5 glossary definition, 11-3 handling, 2-2
problems, 9-4 HP DesignJet films, 10-19 HP DesignJet papers, 10-19...
HP DesignJet 430/450C/488CA Printer - UserÂ’s Guide - Page 182
... HP DesignJet films, 10-19 HP DesignJet papers... an image, 3-10 monochrome, printing color as,...printer, 1-8 power cord, 1-4, 1-9 socket, 1-9 specifications, 10-4 supply, 1-9 priming cartridges, 7-7
I-4 See cartridges physical specifications, 10-4 pin-outs, 10-8 PJL documentation, 10-16 glossary definition, 11-3 polyester film, 10-2 ports on computer, 1-17 on another, 9-10
P page size, 3-3
adjusting...
Service Manual - Page 7
...Image...262;7 Test Pattern 4: Color Alignment Quality Test 6Ć9 Test Pattern 5: Color Variation Test 6Ć...Printer Labels 7Ć24 Users Guide and Quick Reference Guide Bundle 7Ć25 Front Panel Overlays 7Ć25 Compatible Documentation 7Ć26 PlugĆin memory (RAM SIMM 7Ć26 Cartridges 7Ć26 External Print Servers 7Ć27
HP DesignJet 430, 450C and 455CA Printers...
Service Manual - Page 14
...that the cover is not at the correct height. Power OFF the Printer and switch it .
1-4
HP DesignJet 430, 450C and 455CA Printers
Troubleshooting Replace the Carriage Assembly ' page 8Ć37. What can I... carriage. Perform the Carriage Axis Test ' page 4Ć10. Check and, if necessary, adjust the Carriage height (Details ' chapter 5).
3 The Belt is not correctly positioned over it ...
Service Manual - Page 16
...
1 Check if the media loaded is installed incorrectly. Check and if necessary adjust the carriageĆtoĆmedia distance ' page 5Ć5 and try to ...at the back of the Printer.
3 Try to disconnect all the starwheels on the bail assembly are installed on the Printer, otherwise there could be replaced.
1-6
HP DesignJet 430, 450C and 455CA Printers
Troubleshooting Remove the Drive Roller...
Service Manual - Page 18
..., which is very sensitive to excessive wearing of the failure modes.
1-8
HP DesignJet 430, 450C and 455CA Printers
Troubleshooting
D The Printer was turned off while a test was writing to the EEROM, thus
leaving... the information is incorrect. D Faulty trailing cable. Perform a bail cycle test.
5 Adjust carriage: If the carriage moves over or underĆrotated. This can happen if the...
Service Manual - Page 69
5
Service Calibrations and Adjustments
HP DesignJet 430, 450C and 455CA Printers
5-1
Service Manual - Page 73
... not straight. (A big distance may result in the position shown below:
Service Calibrations
HP DesignJet 430, 450C and 455CA Printers
5-5 For the correct installation procedure ' Chapter 8. If the distance between the carriage ...produced to check the carriageĆtoĆmedia distance to reinstall them correctly. Adjusting the CarriageĆto determine the GO and NO GO sides:
NO GO
GO
...
Service Manual - Page 74
... in the carriage.
10 Move the carriage back into the service station.
11 Close the top cover.
5-6
HP DesignJet 430, 450C and 455CA Printers
Service Calibrations If the ledge does go over the GO side of the gauge, adjust the carriageĆtoĆmedia distance ' page 5Ć7.
7 Remove the gauge and replace it on the...
Service Manual - Page 76
This will not be able to load media.
5-8
HP DesignJet 430, 450C and 455CA Printers
Service Calibrations Torx-8
Rotating
Clockwise
ÎÎÎÎ
Gap
ÎÎ.... 6 Check the trailing cable to make sure that it is positioned under tabs ! Otherwise, the Printer will adjust the carriage angle on the carriage.
3 Tighten or loosen the indicated screw on the slider rod, ...
Service Manual - Page 84
... a bidirectional error in Figure 3. If you print the same plot using a unidirectional print mode, the error should not appear. Figure 4
6-8
HP DesignJet 430, 450C and 455CA Printers
Print Quality D Friction between nozzles and media. (Adjustment ' chapter 5.) D EncoderĆstrip slots are not perpendicular to slip. They appear when the rows of nozzles on the pulley is...
Service Manual - Page 85
...4: Color Alignment Quality Test
Upper Test: The first of the circle.
Print Quality
HP DesignJet 430, 450C and 455CA Printers
6-9 VLS Problem: Corrective Action:
If the line is to check the color alignment...Carriage Assembly ' page 8Ć37.
it should be visible at Bias 0 in the test image (see if there has been any improvement.
2 If the problem continues perform the Accuracy ...
Service Manual - Page 86
... 6
Alignment Problem: Corrective Action:
Third color present/misalignment in either the boxes or circles of the test image (see if there has been any improvement.
2 If the error is still present, replace the failing cartridge and print the PrintĆQuality Plot again.
6-10
HP DesignJet 430, 450C and 455CA Printers
Print Quality
Try the following steps...
Service Manual - Page 90
... print the PrintĆQuality Plot again to determine exactly which component failed.
6-14
HP DesignJet 430, 450C and 455CA Printers
Print Quality Reseat the Cartridges and try the test again.
4 If the error is negative or positive banding in the test image (see if there has been any improvement.
2 If the problem continues perform the...
Service Manual - Page 91
... the type of media loaded in the required print may significantly reduce the color and print quality of the printer, only media types that it is defined by the printer's frontĆpanel menu selections). If the customer is using the appropriate media for the printer should be accurate. Print Quality
HP DesignJet 430, 450C and 455CA Printers
6-15
Service Manual - Page 93
... to Ćmedia distance is too small. (Adjustment ' chapter 5.)
Print Quality
HP DesignJet 430, 450C and 455CA Printers
6-17 D Use better quality media. With the power ON, open the top cover and reseat the cartridge. BLEEDING, BLOOMING AND WICKING
Symptoms Blurred lines. (See also ' User's Guide, chapter 9.)
D Bleeding: Different color inks, printed side by side, run into...
Service Manual - Page 184
...to the carriage; Carriage Guidance The carriage moves along on the DesignJet 430 carriage PCA.
At powerĆon the belt,
eliminating the need for a color or a monochrome model, and behaves accordingly.
10-4
HP DesignJet 430, 450C and 455CA Printers
Functional Overview The strip does not require adjustment. The carriage PCA contains:
D Optical line sensor D Thermistor circuit...
Service Manual - Page 185
... on the front panel. Carriage (Side View)
Adjusting Screw Back Slider
ÎÎÎÎ
Beam Cross-section
Bail-Lift Engaging Tab
Integrated Line Sensor
Producing an Image
PrintĆMode Characteristics Note that the firmware can determine image sharpness. Functional Overview
HP DesignJet 430, 450C and 455CA Printers
10-5
You do not set this parameter on the...
Service Manual - Page 189
... swath.
Functional Overview
HP DesignJet 430, 450C and 455CA Printers
10-9 A horizontal line can send is difficult to calculate the amount of Printer memory needed to Ćbottom, the Printer is called flow mode... first rasterize all the data is sent to happen, software (a rasterĆimage processor) in the Printer's internal display list. Memory is used, not just to in one of...
Service Manual - Page 193
...halfĆtoningąThe placement of dots to create a visual effect of different colors or different shades of previous...the elecĆ tronics module is incapable of images that proĆ vides input to control input...HPąHewlettĆPackard. HPĆRTLąHewlettĆPackard Raster TransĆ fer Language. LEDąLightĆEmitting Diode. HP DesignJet 2500CP and 2000CP Printers...
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