HP Designjet 8000 HP Designjet 8000s Printer Series - Print Quality Troublesho
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- HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 1
HP Designjet 8000s Printer Series Print Quality Troubleshooting Guide - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 2
Contents Contents 1 How to use this guide ...3 2 Troubleshooting White lines appear on the printout 5 Black lines appear on the printout 8 The printout is smudged ...10 The printout is blurry ...12 3 Defective printheads ...15 Index...17 1 - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 3
2 Contents - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 4
is likely to be caused by multiple factors. If all of the suggested solutions fail, the problem may stem from bad compatibility between the ink and media. In this case, you may use other types of media. Choose the more similar symptom (pattern) on the page, and take steps indicated in Solution - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 5
Chapter 1 How to use this guide 4 How to use this guide - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 6
appear on the printout White lines appear on the printout - Pattern 1 Troubleshooting Cause: The paper is not fed properly or is loaded incorrectly. Solution: 1. Perform the Media Advance Calibration. See Chapter 7 in the User's Guide. 2. Change the settings of the Media lever. 3. Fine tune the - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 7
the printout - Pattern 2 Troubleshooting Cause: The nozzles are not firing correctly. Solution: 1. Make sure that the printhead path is clean. 2. Perform daily maintenance, and then a NORMAL printhead recovery. See Chapter 6 in the User's Guide. 3. Perform a STRONG printhead recovery. See Chapter - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 8
the attached kit. 6. Repeat steps 3 and 4. 7. For more information on identifying a defective printhead, see "Defective printheads" on page 15. If the printhead is defective, you will need to call HP Support. White lines appear on the printout - Pattern 3 Troubleshooting Cause: The ink and media - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 9
or surrounding printer parts are dirty. Solution: 1. Clean the carriage base and perform a NORMAL printhead recovery. See Chapter 6 in the User's Guide. 2. Change the printhead height. See Chapter 5 in the User's Guide. Black lines appear on the printout - Pattern 2 Troubleshooting Cause: Media - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 10
passes. Set the print mode using the software RIP. Black lines appear on the printout - Pattern 3 Troubleshooting Cause: • Inadequate paper feed. • The ink requires a longer time to dry. Solution: 1. Perform the Media Advance Calibration. See Chapter 7 in the User's Guide. 2. Change the settings - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 11
is smudged The printout is smudged - Pattern 1 Troubleshooting Cause: Scattered ink. Solution: Do one or more of the following: 1. Perform a bidirectional adjustment on the media being used. See Chapter 7 in the User's Guide. 2. Make sure that the printhead height is appropriate. Change it if it - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 12
2 Cause: Scattered ink. Solution: Do one or more of the following: 1. Make sure that the media is set flat without wrinkles and creases. If the media is not straight, reload the media. 2. Check the printhead height. See Chapter 5 in the User's Guide. 3. Perform daily maintenance, and then perform - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 13
is blurry - Pattern 1 Troubleshooting Cause: • Ink is slow drying. • Too much ink. Solution: Do one or more of the following: 1. Increase the heater temperatures (F50 ˚C, P45 ˚C, R45 ˚C). 2. Set the print mode to unidirectional and H-QUALITY. 3. Use the H-QUALITY print mode for H-DENSITY printing - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 14
Solution: 1. Perform the printhead position adjustment. See Chapter 7 in the User's Guide. 2. Perform a bidirectional adjustment on the media being used. See Chapter 7 in the User's Guide. 3. Perform the Nozzle Position Adjustment. See Chapter 7 in the User's Guide. Troubleshooting The printout is - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 15
Chapter 2 Troubleshooting 14 Troubleshooting - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 16
corresponding procedure to replace it. Table 3-1 To identify a defective printhead 1 Load the media. 2 Set the printer to offline mode by pressing the button. 3 Press the key twice. 4 Select the ADJUST menu using the key. 5 In the ADJUST menu, scroll to TEST PRINTS and press the OK key - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 17
printhead. NOTE: Solvent ink is used in this printer. Unlike water-based inks, omissions and misalignments may occur when the printhead dries up. To resolve this, clean the printhead. To replace a defective printhead Ÿ In order to replace a defective printhead, please call HP Support. See - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 18
Index Index B Black lines pattern 1 8 pattern 2 8 pattern 3 9 D Defective printheads identifying 15 replacing 16 P Printout blurred pattern 1 12 pattern 2 13 Printout smudged pattern 1 10 pattern 2 11 pattern 3 11 W White lines pattern 1 5 pattern 2 6 pattern 3 7 17 - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 19
18 Index - HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 20
- HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 21
- HP Designjet 8000 | HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 22
© 2007 Hewlett-Packard Development Company L.P. Printed in Germany - Imprimé en Allemagne - Stampato in Germania www.hp.com
HP Designjet 8000s Printer Series
Print Quality Troubleshooting Guide