HP 400 - Manual (Page 53)

3-8 Operation and Usage
Table 3-3. Common Problems with Print Cartridges
Problem Possible Causes Solution
Nothing prints • Tape may be covering the print
cartridge nozzles.
• The print cartridge is out of or nearly
out of ink.
• The print cartridge is faulty.
• The printer is faulty.
See “Troubleshooting Print Cartridges”
and “Solving Print Quality Problems” in
chapter 5.
Print fades, rows of dots are missing, or
print quality is otherwise unsatisfactory • The print cartridge may be faulty.
• The media may be causing
unsatisfactory print quality.
• The user may not be operating the
printer for optimum print quality.
• The printer may be faulty.
See “Troubleshooting Print Cartridges”
and “Solving Print Quality Problems” in
chapter 5.
Change Cartridge light is blinking The printer is waiting for the user to
install a print cartridge. Install the print cartridge.
Print is faint or fuzzy • A problem with either the print
cartridge or the media can cause
this problem.
• The print cartridge may need
cleaning.
See “Troubleshooting Print Quality”
and “Using the Print Cartridge Cleaning
Routine” in chapter 5.
Printouts are missing rows of dots • The print cartridge, printer, or the
connection between the print
cartridge and printer may be faulty.
• The print cartridge may need
cleaning.
See “Printouts Missing Rows of Dots”
and “Using the Print Cartridge Cleaning
Routine” in chapter 5.
Print cartridge will not
return to the home position
(right side of the mechanism) • The print cartridge, printer, or the
connection between the print
cartridge and printer may be faulty.
• The print cartridge may need
cleaning.
• Wrong cartridge has been installed.
See “Printout Missing Rows of Dots”
and “Using the Print Cartridge Cleaning
Routine” in chapter 5.
Make sure that the correct print
cartridge is installed. Refer to Table 1-5
for the part numbers