HP 3150 EN - Manual (Page 151)

EN Basic troubleshooting 149
Is the product ready?
The control panel should function
without error messages.
Control panel display an error
message, such as “
Encoding
Error .”
Control panel is not functional.
Control panel does not function
correctly.
Consult the list of common
messages later in this chapter to
correct the error.
Verify that the control panel cable
is seated into both the control
panel at J9 and the formatter
board at J3. If the cable is
connected correctly, replace the
control panel.
1. Verify that the control panel
cable is seated into both the
control panel at J9 and the
formatter board at J3.
2. Use the extended service
menu, if available, to run control
panel tests.
3. If, after running control panel
tests, the control panel still does
not function correctly, replace the
control panel.
4. If after replacing the control
panel, the control panel still does
not function correctly, perform an
engine test, which is discussed
later in this chapter.
5. If the engine test is not
successful, replace the ECU.
-Or-
If the engine test is successful,
replace the formatter.
Do engine tests and internal
reports print?
Print an engine test, which is
discussed later in this chapter.
The engine test should print
without paper feed problems or
print quality problems. Also print
internal reports (follow the
instructions under “To print all
reports at once” later in this
chapter). The product will print a
phone book report, a menu report,
a fax activity report, a
configuration report, and a test
report. The test report contains an
error log, which documents recent
error messages. The error log can
be helpful in verifying operation of
the product. All internal reports
should print without paper feed
problems or print quality problems.
Engine test is not successful.
Internal reports do not print.
Poor print quality.
Paper does not move smoothly
through the printer paper path.
Control panel displays an error
message.
Replace the ECU.
If the engine test is successful, but
internal reports do not print,
replace the formatter.
See “Solving image defects” later
in this chapter.
Isolate printer paper path
problems by performing a paper
path check, which is discussed
later in this chapter.
Consult the list of common
messages in Chapter 2 to correct
the error.
Verification steps Possible problems Solutions