Troubleshooting Process; Determine The Problem Source; Troubleshooting Flowchart; Table 2-7 Troubleshooting Flowchart - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

Troubleshooting process

Determine the problem source

Use the troubleshooting flowchart to pinpoint the root cause of hardware malfunctions. The flowchart
guides you to the section of this chapter that contains steps for correcting the malfunction.
Before beginning any troubleshooting procedure, check the following issues:
Are supply items within their rated life?
●
Does the configuration page reveal any configuration errors?
●
NOTE:
The customer is responsible for checking supplies and for using supplies that are in good
condition.

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 more testing is needed. Go to the appropriate section
in this chapter, and follow the instructions there. After completing the instructions, go to the next major
step in this troubleshooting flowchart.
Table 2-7 Troubleshooting flowchart
1
Is the product on and does a readable
message display?
Power on
Yes
2 Does the message Ready display on the
control panel?
Control panel
messages
Yes
3
Open the
event log to see the history of errors with this
Event log
product.
Does the event log print?
Yes
4 Open the
configuration pages to verify that all the
Information
accessories are installed.
pages
Are all the accessories installed?
Yes
122 Chapter 2 Solve problems
No
No
Troubleshooting menu and print an
No
Reports menu and print the
No
Follow the power-on troubleshooting checks. See
on page 123.
After the control panel display is functional, see step 2.
After the errors have been corrected, go to step 3.
If the event log does not print, check for error messages.
If paper jams inside the product, see the jams section of the
product service manual.
If error messages display on the control panel when you try to print
an event log, see the control panel message section of the service
manual.
After successfully printing and evaluating the event log, see step 4.
If accessories that are installed are not listed on the configuration
page, remove the accessory and reinstall it.
After evaluating the configuration pages, see step 5.
Power subsystem
ENWW