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Troubleshooting Guide
Problems With Installed Optional Accessory
If an option does not operate correctly following installation or stops working:
Turn off the printer, wait for 10 seconds, and then turn on the printer. If this does not fix the problem, unplug the
printer, and check the connection between the option and the printer.
Print the system settings report to see if the option is listed in the Printer Options list. If the option is not listed, re-
install it. See "Report / List."
Ensure the option is selected in the printer driver you are using.
The following table lists printer's option and corrective action for related problem. If the suggested corrective action
does not correct the problem, call customer service.
Wi-Fi Direct Problems
A certificate cannot be set with
"Certificate Details".
The validity period is invalid. The validity period of the certificate is invalid.
Confirm whether the time setting of the machine is
correct, and whether the validity period of the
certificate has expired.
The certificate path is invalid. The certificate chain (path validation) of the
imported certificate may not be correctly validated.
Confirm whether all of the high-level certificates
(Trusted/Intermediate) have been imported and are
not deleted, and whether the validity period has
expired.
Although a certificate was imported,
it is not displayed when selecting
with "Local Device".
The type of the certificate is
incorrect.
To import a certificate for use with the device (own
device), import the secret key and a certificate of
the PKCS#12 (p12/pfx) format as a pair.
Server validation is not operating
correctly.
The certificate chain is incorrect
when importing.
Although importing a root certificate (Trusted) to
use for server authentication, an Intermediate
certificate may be required when validating the
path.
When executing a certificate file with the
certification authority, create the certificate with a
format including all paths and then import that
certificate.
Problem Action
550-sheet feeder
Ensure the 550-sheet feeder is correctly installed on the printer. Re-install the
feeder. See "Removing the Optional 550-Sheet Feeder" and "Installing the
Optional 550-Sheet Feeder."
Ensure the print media is loaded correctly. See "Loading Print Media in Tray1 and
the Optional 550-Sheet Feeder" for more information.
Problem Action
The device cannot discover the printer. The printer may be connected to another device via Wi-Fi Direct. Disconnect the
printer and the device. See "Disconnecting Wi-Fi Direct Network."
Symptom Cause Action
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