HP C7770B HP Designjet 500 Plus - Pocket Guide - Page 84

Overview of the Troubleshooting Procedure

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Overview of the Troubleshooting Procedure START HERE Printer checks whether Printhead Alignment (a likely cause of problems) is required Printhead Alignment is required Printer recommends Aligning Printheads (Standard or Special) If possible, printer tries to Clean Printheads If printheads have been cleaned 3 times, Troubleshooting finishes End Printhead Alignment isn't required Printer prints Diagnostic Print A including black lines Printer prints Diagnostic Print A with no black lines Printheads need cleaning (subsequent printing of Print A) Printer asks questions about Diagnostic Print A Printheads are OK (first printing of Print A) Wrong paper advance Printer recommends Advance Calibration 20 The Troubleshooting Procedure

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20
The Troubleshooting Procedure
Overview of the Troubleshooting Procedure
START HERE
Printer checks
whether
Printhead Alignment
(a likely cause of
problems) is required
Printhead Alignment
isn’t required
Printer prints
Diagnostic Print A
including black lines
Printer asks
questions about
Diagnostic Print A
Printhead Alignment is
required
Printer recommends
Aligning Printheads
(
Standard
or
Special
)
Wrong paper
advance
Printer recommends
Advance Calibration
Printheads are OK
(first printing
of
Print A
)
Printheads need cleaning
Printer prints
Diagnostic Print A
with
no
black lines
If possible,
printer tries to
Clean
Printheads
If printheads have
been cleaned 3
times,
Troubleshooting
finishes
(subsequent
printing of
Print A
)
End