Troubleshooting flowchart
This flowchart highlights the general processes that you can follow to quickly isolate and solve product
hardware problems.
Each row depicts a major troubleshooting step. A “yes” answer to a question allows you to proceed to
the next major step. A “no” answer indicates that additional testing is needed. Proceed to the appropriate
section in this chapter, and follow the instructions there. After completing the instructions, proceed to
the next major step in this troubleshooting flowchart.
Table 7-2 Troubleshooting flowchart
1
Power on
Is the product on and does a readable
message display?
Follow the power-on troubleshooting checks. See Power
subsystem on page 376.
After the control-panel display is functional, go to step 2.
Yes
No
2
Control panel
messages
Does the message Ready display on the
control panel?
If an error message appears, see Control-panel messages
on page 441.
After the errors have been corrected, go to step 3.
Yes
No
3
Event log
Open the Troubleshooting menu and print
an event log to see the history of errors with
this product.
Does the event log print?
If the event log does not print, see Print an event log
on page 468.
If paper jams inside the product, see
Clear paper jams
on page 472.
If error messages appear on the control-panel display when you try
to print an event log, see
Control-panel messages on page 441.
After successfully printing and evaluating the event log, go to step 4.
Yes
No
4
Information pages
Open the Information menu and print the
configuration pages to verify that all of the
accessories are installed.
Are all the accessories installed?
If accessories that are installed are not listed on the configuration
page, remove the accessory and reinstall it.
After evaluating the configuration pages, go to step 5.
Yes
No
5
Image quality
Does the print quality meet the customer's
requirements?
Compare the images with the sample defects in the image defect
tables. See
Image defects table on page 494.
After the print quality is acceptable, go to step 6.
Yes
No
6
Interface
Can the customer print successfully from the
host computer?
Verify that all I/O cables are connected correctly and that a valid IP
address is listed on the Jetdirect configuration page.
If error messages display on the control panel, see
Control-panel
messages on page 441.
When the customer can print from the host computer, this is the end
of the troubleshooting process.
Yes. This is the end of
the troubleshooting
process.
No
ENWW Troubleshooting process 375
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