Dell 1235cn User Guide

Troubleshooting |61
6.Open the scan unit.
7. Carefully take the jammed paper out of the printer.
8. Lower down the scan unit gently and slowly until it is completely closed. 
Ensure that it is securely latched.
Be careful not to pinch your fingers! 9.
Pull down the fuser lever.
10. Close the rear cover. Prin ting automatically resumes.
 

62 |Troubleshooting
UNDERSTANDING DI SPLAY MESSAGES
Messages appear on the control panel display to indicate the printer’s status 
or errors. Refer to the tables below to understand the messages’ meaning 
and correct the problem if necessary. Messages and their meanings are 
listed in alphabetical order. 
• If the message is not  in the table, cycle the power and try the job 
again. If the problem persists, call for service.
• When you call for service, it is  very convenient to provide the 
service...

Troubleshooting |63
Memory Full The memory is full. Delete unnecessary fax 
jobs and retransmit after 
more memory becomes 
available. Alternatively, 
split the transmission 
into more than one 
operation.
Network ErrorThere is a problem 
with the network. Contact your network 
administrator.
[No Answer] 
The receiving fax 
machine has not 
answered after 
several redial 
attempts. Try again. Ensure that 
the receiving printer is 
operational.
NonDELL Toner
T The toner cartridge 
which the arrow...

64 |Troubleshooting
Send Error
(SMTP) There is a problem in 
SMTP.
Change to the available 
server.
Send Error
(Wrong Config)There is a problem on 
the network interface 
card. Configure your network 
interface card correctly.
[Stop Pressed] Stop/Clear
 has been 
pressed during an 
operation. Try again.
Toner Empty
T The toner cartridge 
has run out. The 
printer stops printing.
Press 
OK to toggle 
the message to  Stop 
or  Continue  or  Black 
Only .
W  Stop  X  
If the black 
toner cartridge 
is...

Troubleshooting |65
SOLVING OTHER PROBLEMS
The following chart lists some conditions that may occur and the 
recommended solutions. Follow the suggested solutions until the problem is 
resolved. If the problem persists, call for service
Paper feeding  Printing problems
CONDITIONSUGGESTED SOLUTIONS
Paper is jammed 
during printing
Clear the paper jam. See Tips for avoiding paper 
jams on page 58.
Paper sticks 
together• Ensure there is not too 
much paper in the tray. 
The tray can hold up to 150 sheets...

66 |Troubleshooting
Printing quality problems
If the inside of the printer is dirty or paper has been loaded improperly, you 
may notice a reduction in print qualit y. See the table below to clear the 
problem.
The printer 
selects print 
materials from 
the wrong paper 
source The paper source 
selection in the 
printer properties 
may be incorrect.
For many software 
applications, the paper 
source selection is found 
under the 
Thin Paper  tab 
within the printer properties. 
Select the correct paper...

Troubleshooting |67
DropoutsIf faded areas, generally rounded, occur 
randomly on the page:
• A single sheet of paper may be defective. Try reprinting the job.
• The moisture content of the paper is  uneven or the paper has moist spots on its 
surface. Try a different brand of paper. 
See Selecting print media on page 24.
• The paper lot is bad. The manufacturing 
processes can cause some areas to reject 
toner. Try a different kind or brand of 
paper.
• Change the printer option and try again. Go  to...

68 |Troubleshooting
Copying problems
Curl or wave• Ensure that the paper is loaded properly.
• Check the paper type and quality. Both high 
temperature and humidity can cause paper 
curl. See Selecting print media on 
page 24.
• Turn over the stack of paper in the tray. Also  try rotating the paper 180° in the tray.
Wrinkles or creases• Ensure that the paper is loaded properly.
• Check the paper type and quality. See Selecting print media on page 24.
• Turn over the stack of paper in the tray. Also  try...

Troubleshooting |69
Scanning problems
Dell Scan Manager problems
Blank copies print 
outEnsure that the original is face down on the 
scanner glass or face up in the ADF.
Image rubs off the 
copy easily• Replace the paper in the tray with paper 
from a new package.
• In high humidity areas, do not leave paper 
in the printer for extended periods of time.
Frequent copy paper 
jams occur • Fan the stack of paper, then turn it over in 
the tray. Replace the pa per in the tray with 
a fresh supply....

70 |Troubleshooting
Fax problems
Common Windows problems
Common Macintosh problems
CONDITIONSUGGESTED SOLUTIONS
The printer is not 
working, there is no 
display and the 
buttons are not 
working• Unplug the power cord and plug it in again. 
• Ensure that there is power to the electrical 
outlet.
No dial tone sounds • Check that the phone line is connected 
properly.
• Check that the phone socket in the wall is  working by plugging in another phone.
The numbers stored 
in memory do not 
dial correctly...