HP Designjet 8000 HP Designjet 8000s Printer Series - Print Quality Troublesho - Page 8

NORMAL, Cause, Solution, Media Advance Calibration, H-DENSITY - inks

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5. Clean the carriage base and perform a NORMAL printhead recovery operation again. See Chapter 6 in the User's Guide. TIP: Clean the carriage base with a cleaning swab dipped in cap cleaning liquid. The cleaning swabs are included with 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 are not completely compatible. Solution: 1. Perform the Media Advance Calibration. See Chapter 7 in the User's Guide. 2. Decrease the heater temperatures (F30 ˚C, P30 ˚C, R30 ˚C) and perform the Media Advance Calibration. 3. Increase the front heater temperatures (F50 ˚C, P45 ˚C, R45 ˚C) and perform the Media Advance Calibration. 4. Print a test image using a print mode with a higher number of passes. Set the print mode using the software RIP. 5. Print a test image in H-DENSITY print mode. Set the print mode using the software RIP. 6. Print a test image on media that has been used previously with satisfactory results. White lines appear on the printout 7

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5.
Clean the carriage base and perform a
NORMAL
printhead recovery operation
again. See Chapter 6 in the
User's Guide
.
TIP:
Clean the carriage base with a cleaning swab dipped in cap cleaning
liquid. The cleaning swabs are included with 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
Cause:
The ink and media are not completely compatible.
Solution:
1.
Perform the
Media Advance Calibration
. See Chapter 7 in the
User's Guide
.
2.
Decrease the heater temperatures (F30
˚
C, P30
˚
C, R30
˚
C) and perform the
Media Advance Calibration
.
3.
Increase the front heater temperatures (F50
˚
C, P45
˚
C, R45
˚
C) and perform the
Media Advance Calibration
.
4.
Print a test image using a print mode with a higher number of passes. Set the
print mode using the software RIP.
5.
Print a test image in
H-DENSITY
print mode.
Set the print mode using the software RIP.
6.
Print a test image on media that has been used previously with satisfactory
results.
White lines appear on the printout
7
Troubleshooting