260

Understanding Printer Messages

010-377

Turn off the printer. Confirm that the fusing unit is correctly installed, and turn on the printer. Contact 

customer support if this failure is repeated. For more information about installing the fusing unit, see 

"Replacing the Fusing Unit."

016-338

Turn off the printer, and turn it on again. If the error message remains on the LCD panel, confirm that the 

wireless adapter is securely inserted. Contact customer support if this failure is repeated.

016-404

Contact your system administrator. For more information about digital certificate problems, see "Digital 

Certificate Problems."

016-405

Security setting mismatch. Initialize the security setting, and then restart the printer. Contact your system 

administrator for the security resetting.

016-520

IPsec certificate error. (Certificate error of the printer.) The certificate of the printer is invalid. Contact your 

system administrator. Reset the certificate from other connectable clients with 

Dell™ Printer 

Configuration Web Tool

. If no device can be connected, disconnect Ethernet cable, turn off the IPsec, and 

then reset the certificate with 

Dell Printer Configuration Web Tool

.

016-521

IPsec certificate error. (Remote device certification verification error.) The certificate of the destination 

client is invalid. Contact your system administrator. Confirm the certificate of the destination client and 

reset.

016-530

Authentication server access error. Turn off the printer, and turn it on again. Check the access settings for 

the authentication server and try again. Contact customer support if this failure is repeated.

016-541

A wireless certificate (server or client) cannot be correctly referenced while using Wireless LAN 

WPA-Enterprise or WPA2-Enterprise. Ask your system administrator to connect the printer with a wired 

network, initialize the wireless settings, import the wireless certificate, and set WPA-Enterprise or 

WPA2-Enterprise again.

016-542

A server certificate error has occurred when acquiring the certificate with the operation of WPA-Enterprise 

or WPA2-Enterprise. This is a problem in the server certificate, such as the validity period has expired for 

the server certificate being used with the Radius server. Ask your system administrator to confirm the server 

certificate being used with the Radius server.

016-543

A wireless certificate (server or client) corruption error has occurred while using the Wireless LAN 

WPA-Enterprise or WPA2-Enterprise. Ask your system administrator to connect the printer with a wired 

network, initialize the wireless settings, import the wireless certificate, and set WPA-Enterprise or 

WPA2-Enterprise again.

016-720

Error relating to PDL emulation problems has occurred. Change the 

Print Mode

 setting in the 

Graphics

 tab 

of the printer driver. Contact customer support if this failure is repeated.

016-756

Printing in the prohibited time. Contact your system administrator.

016-757

The account is not registered. Contact your system administrator.

016-758

The function cannot be used. Contact your system administrator.

016-759

Printable page limit is exceeded. Contact your system administrator.

016-799

Press the 

(Set)

 button to clear the message and cancel the current print job. Confirm the 

configuration of the printer on the printer driver.

024-920

Remove the paper from the output tray.

024-927

Remove the empty toner cartridge, and install a new cartridge. For more information about replacing the 

toner cartridge, see "Replacing the Toner Cartridges."

024-965

Confirm that the size and type specified in the tray settings matches the size and type of paper loaded in the 

tray.

024-966
024-969
027-446

Change the IPv6 address to avoid duplication. Turn off the printer, and turn it on again.

027-452

Change the IPv4 address to avoid duplication. Turn off the printer, and turn it on again.

042-700

Wait for a while until the printer cools down. Contact customer support if this failure is repeated.

Error-Code

What you can do