Epson EPL N2550DTT User Manual

							Troubleshooting241
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1. Press the unlock button to unlock the hooks. Then open the 
cover of the Duplex Unit.
2. Gently remove the jammed paper inside the cover. Be careful 
not to tear the paper.
Note:
❏If paper is torn, be sure to remove all torn pieces.
❏When you cannot remove jammed paper by this procedure, open 
Cover A or Cover B and remove the jammed paper as described 
in Jam A B (Cover A or B) on page 235.
3. Close the Duplex Unit’s cover.
 
						

							242TroubleshootingNote:
When the error is not cleared after doing the procedure above, 
remove the Duplex Unit from the printer and check if the paper jam 
occurs at the opening on the lower part of the printer’s rear.
When the paper jam is cleared completely and Cover DM is 
closed, the jammed page’s print data is automatically reprinted.
Jam MP A, Jam C1 A, Jam C2 A, Jam C3 A (All 
paper cassettes and Cover A)
When a paper jam occurs in the location shown in the illustration 
below, the Jam MP A, Jam C1 A, Jam C2 A, or Jam C3 A message 
appears on the printer’s LCD panel.
1. MP Tray
2. lower paper cassette 1 (C1)
3. lower paper cassette 2 (C2)
4. lower paper cassette 3 (C3)
Follow these steps to clear paper jams in paper cassettes.
 
						

							Troubleshooting243
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1. Pull out the paper cassette from the printer.
2. Remove the paper cassette’s cover and discard any crumpled 
paper. Then, reattach the cover.
3. Gently remove the jammed paper with both hands. Be careful 
not to tear the jammed paper.
 
						

							244TroubleshootingNote:
Confirm that the jammed paper is not still deep inside the printer.
4. Reinsert the paper cassette.
5. Open Cover A and then close Cover A again.
Note:
After opening and closing Cover A, the error message is cleared.
 
						

							Troubleshooting245
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Printing a Status Sheet
To confirm the current status of the printer, and that the options 
are installed correctly, print a status sheet using the printer’s 
control panel or the printer driver.
To print a status sheet from the printer’s control panel, see 
Printing a Status Sheet on page 192.
To print a status sheet from the printer driver, see Printing a 
status sheet on page 85.
Operational Problems
The Ready light does not turn on
The printer does not print (Ready light off)
Cause What to do
The power cord may not be 
properly plugged into the 
electrical outlet.Turn off the printer, check the power cord 
connections between the printer and the 
electrical outlet, then turn the printer back 
on.
The electrical outlet may be 
controlled by an outside switch or 
an automatic timer.Make sure that the switch is turned on or 
plug another electrical device into the 
outlet to check whether the outlet is 
operating properly.
Cause What to do
The printer is offline. Press the N Start/Stop button once to switch 
the printer to ready status.
 
						

							246Troubleshooting
The Ready light is on but nothing prints
The optional product is not available
Some error may have occurred.  Check the LCD panel to see if an error 
message appears.
Cause What to do
Your computer may not be properly 
connected to the printer.Perform the procedure illustrated in the 
Setup Guide.
The interface cable may not be 
plugged in securely.Check both ends of the interface cable 
between the printer and the computer. If 
you are using the parallel interface, be 
sure to secure the connector using the 
wire retaining clips.
You may not be using the correct 
interface cable.If you are using the parallel interface, 
make sure that the cable is a 
double-shielded, twisted-pair interface 
cable no more than six feet in length.
If you are using the USB interface, use a 
Revision 2.0 cable.
The printer port is not set correctly in 
the printer driver.Make sure that the printer port is set 
correctly in the printer driver.
Your application software is not 
properly set up for your printer.Make sure that the printer is selected in 
your application software.
Your computer system’s memory is 
too small to handle the volume of 
data in your document.Try reducing the image resolution of your 
document in the application software, or 
install more memory in your computer if 
you can.
Cause What to do
 
						

							Troubleshooting247
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The Properties dialog box does not appear or it 
takes too much time to open it (For Windows 
Only)
The amount of a toner remaining is not updated 
(For Windows users only)
 EPSON Status Monitor is not 
installed.You have to install EPSON Status Monitor, 
or make settings manually in the printer 
driver. See Installing EPSON Status 
Monitor on page 86 or Making Optional 
Settings on page 85.
Cause What to do
Bidirectional communication is 
disabled.Make sure that the printer is on and 
connected with the appropriate cable. 
Select the Enable bidirectional support 
check box on the Ports menu of the 
Properties dialog box (for Windows XP, 
2000, or Server 2003) or in the printer driver 
(for Windows Me or 98). Then select the Do 
not display consumables information 
check box in the Consumables Info 
Settings dialog box.
Cause What to do
The interval between updating 
information for the consumables is 
too long.Press the Get Information Now button on 
the Consumable Info Settings dialog box. 
You can also change the interval for 
updating information about the 
consumables on the Consumable Info 
Settings dialog box.
 
						

							248Troubleshooting
Printout Problems
The font cannot be printed
Printout is garbled
Note:
If a status sheet does not print correctly, your printer may be damaged. 
Contact your dealer or a qualified service representative.
Cause What to do
You may use the printer fonts 
substituted for specified TrueType 
fonts.In the printer driver, choose the Print 
TrueType fonts as bitmap button in the 
Extended Settings dialog box.
The selected font is not supported 
by your printer.Make sure that you have installed the 
correct font. See Available fonts on 
page 309 for more information.
Cause What to do
The interface cable may not be 
plugged in securely.M a k e  s u r e  t h a t  b o t h  e n d s  o f  t h e  i n t e r f a c e  
cable are plugged in securely.
You may not be using the correct 
interface cable.If you are using the parallel interface, 
make sure that the cable is a 
double-shielded, twisted-pair interface 
cable no more than six feet in length.
If you are using the USB interface, use a 
Revision 2.0 cable.
The emulation setting for the port 
may not be correct.Specify the emulation mode by using the 
printer’s control panel menus. See 
Emulation Menu on page 155.
 
						

							Troubleshooting249
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The printout position is not correct
Graphics do not print correctly
Print Quality Problems
The background is dark or dirty
Cause What to do
The page length and margins may 
be set incorrectly in your 
application.Make sure that you are using the correct 
page length and margin settings in your 
application.
The Paper Size setting may be 
incorrect.Make sure the correct paper size is set in 
the Tray Menu on the control panel.
MP Tray Size setting may be 
incorrect.When loading paper for which the size is 
not specified with Auto setting, specify 
the correct paper size on the MP Tray Size 
setting in the Tray Menu on the control 
panel.
Cause What to do
The printer emulation setting in your 
application may be incorrect.Make sure that your application is set for 
the printer emulation you are using. For 
example, if you are using the LJ4 
emulation mode, make sure that your 
application is set to use a LaserJet 4 
printer.
You may need more memory. Graphics require large amounts of 
memory. Install an appropriate memory 
module. See Memory Module on page 
202.
Cause What to do
 
						

							250Troubleshooting
White dots appear in the printout
Print quality or tone is uneven
You may not be using the correct 
type of paper for your printer.If the surface of your paper is too rough, 
printed characters may appear distorted 
or broken. EPSON special paper, or 
smooth, high-quality copier paper is 
recommended for best results. See 
Available paper types on page 276 for 
information on choosing paper.
The paper path inside the printer 
may be dusty.Turn off the printer. Clean internal printer 
components by printing three pages with 
only one character per page.
Cause What to do
The paper path inside the printer 
may be dusty.Turn off the printer. Clean internal printer 
components by printing three pages with 
only one character per page.
Cause What to do
Your paper may be moist or damp. Do not store paper in a humid or damp 
environment.
There may be no toner left in the 
imaging cartridge.If the message on the LCD panel or in 
EPSON Status Monitor indicates that the 
amount of toner left is low, see Replacing 
an imaging cartridge on page 214.
You can also check the remaining toner 
with the following symbols on the Basic 
Settings tab in the printer driver.
Toner low: !
Toner end: ×
The Density setting may  be too low. Increase the Density setting in the Printing 
Menu on the control panel.