Troubleshooting
Xerox WorkCentre 3550
User Guide
172
Pickup roller is worn
[yyy] pickup roller is worn.
Replace with new one
The pickup roller has reached the 
end of its lifespan.
• This message appears when 
the pickup roller is worn. 
Replace the pickup roller with a 
new one. Call for service.
Fuser Door is open.
Close it
The fuser door is not securely 
latched.
• Close the fuser door until it 
locks into place.
Retry Redial? The machine is
waiting for a specified
time interval to redial
a previously busy
station.
• You can press OK to
• immediately redial, or Stop to 
cancel the redial operation.
Scanner locked The scanner module is locked. • Unlock the Scanner lock. (See 
Machine Components on 
page 9) Or switch the machine 
off then on. If the problem 
persists, call for service.
Self Diagnostics...
Please wait
The engine in your printer is 
checking some problems detected.
• Please wait a few minutes.
Send Error
There is a problem in DNS
There is a problem in DNS. • Configure the DNS setting.
Send Error
There is a problem in POP3
There is a problem in POP3. • Configure the POP3 setting.
Send Error
There is a problem in SMTP
There is a problem in SMTP. • Change to the available server.
Send Error
There is a problem in SMTP 
authentication
There is a problem in SMTP 
authentication.
• Configure the authentication 
setting.
Send Error
There is a problem on the NIC 
Card
There is a problem on the network 
interface card.
• Turn the power switch off and 
on. If the problem persists, call 
for service.
Toner is empty
Toner is empty. Replace with new 
one
The print cartridge has reached 
the end of its lifespan. The printer 
stops printing.
• Replace the print cartridge. 
(See Replacing the Print 
Cartridge on page 157.)
Ton e r is  Low
Ton e r is  Low .
Order new one
Small amount of toner is left in 
the cartridge. The estimated 
cartridge life of toner is close.
• Prepare a new cartridge for 
replacement. You may 
temporarily increase the 
printing quality by 
redistributing the toner. (See 
Redistributing Toner on 
page 162.)
Message Meaning Suggested Solutions