Epson EPL N2550DTT User Manual

							Troubleshooting271
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An undefined error occurs (Macintosh only)
Insufficient memory to print data (Macintosh 
only)
Cause What to do
The version of the Mac OS that 
you are using is unsupported.This printer’s driver can only be used on 
Macintosh computers running Mac OS 9 
version 9.1 or later, and Mac OS X version 
10.2.4 or later.
Cause What to do
The Macintosh printer driver uses 
available memory in the system to 
process print data.Try one of the following to free up memory 
for printing:
❏Reduce the RAM cache 
setting in the Memory 
control panel (Mac OS 9).
❏Close applications that 
are not in use.
❏Increase the memory 
allocation for the 
application that you are 
printing from (Mac OS 9).
❏Turn off background 
printing.
 
						

							272Troubleshooting
Printing in the PCL6 Mode Problems
The problems listed in this section are those that you may 
encounter when printing in the PCL6 mode. All procedural 
instructions, refer to the PCL6 printer driver.
The printer does not print
The font on the printout is different from that on 
the screen
The edges of texts and/or images are not smooth
Cause What to do
The Print to file check box is 
selected in the Print dialog box.Clear the Print to file check box in the Print 
dialog box.
Cause What to do
The EPSON Font Manager fonts 
are not installed.The EPSON Font Manager fonts must be 
installed on the computer that you are 
using. Otherwise, the font that you select is 
substituted by some other font for display on 
the screen.
Cause What to do
The resolution is set to 300 dpi. Access the printer driver, click the Graphics 
tab, then select 600 dpi as the resolution.
The printer does not have 
sufficient memory.Increase the printer memory.
The RITech is set to Off. Access the printer driver, click the Graphics 
tab, then select On for RITech from the 
drop-down list.
 
						

							Where To Get Help273
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Appendix A 
Where To Get Help
Technical Support Web Site
Go to http://www.epson.com and select the Support section of 
your local EPSON web site for the latest drivers, FAQs, manuals 
and other downloadables.
Epsons Technical Support Web Site provides help with problems 
that cannot be solved using the troubleshooting information in 
your product documentation. If you have a Web browser and can 
connect to the Internet, access the site at:
http://support.epson.net/
Contacting Customer Support
Before Contacting Epson
If your Epson product is not operating properly and you cannot 
solve the problem using the troubleshooting information in your 
product documentation, contact customer support services for 
assistance. Check your Pan-European Warranty Document for 
information on how to contact EPSON Customer support. 
They will be able to help you much more quickly if you give them 
the following information:
❏Product serial number
(The serial number label is usually on the back of the product.)
 
						

							274Where To Get Help ❏Product model
❏Product software version
(Click About, Version Info, or similar button in the product 
software.)
❏Brand and model of your computer
❏Your computer operating system name and version
❏Names and versions of the software applications you 
normally use with your product
 
						

							Technical Specifications275
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Appendix B 
Technical Specifications
Paper
Since the quality of any particular brand or type of paper may be 
changed by the manufacturer at any time, Epson cannot 
guarantee the quality of any type of paper. Always test samples 
of paper stock before purchasing large quantities or printing large 
jobs.
 
						

							276Technical Specifications
Available paper types
*1Use recycled paper only under normal temperature and humidity conditions. 
Poor quality paper may reduce print quality, or cause paper jams and other 
problems.
*2When using extra thick paper, set the Paper Type setting in the printer driver 
to Extra Thick.
Paper that should not be used
You cannot use the following paper in this printer. It may cause 
printer damage, paper jams, and poor print quality:
❏Media meant for other color laser printers, black-and-white 
laser printers, color copiers, black-and-white copiers, or ink 
jet printers
Paper type Description
Plain paper Weight: 60 to 90 g/m²
(Recycled paper is acceptable.
*1)
Envelopes No paste and no tape
No plastic window
Labels The backing sheet should be covered 
completely, with no gaps between labels.
Thick paper Weight: 91 to 157 g/m²
Extra thick paper Weight: 157 to 216 g/m²
*2
Transparencies Transparencies for black-and-white laser 
printers or copiers
Colored paper  Non-coated
Paper with letterhead Paper and ink of letterheads must be 
compatible with laser printers.
 
						

							Technical Specifications277
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❏Previously printed paper by any color laser printers, 
black-and-white laser printers, color copiers, black-and-white 
copiers, ink jet printers, or thermal transfer printers
❏Carbon paper, carbonless paper, thermal-sensitive paper, 
pressure-sensitive paper, acid paper, or paper that uses 
high-temperature-sensitive ink (around 210°C)
❏Labels that peel easily or labels that do not cover the backing 
sheet completely
❏Coated paper or special surface-colored paper
❏Paper that has binder holes or is perforated
❏Paper that has glue, staples, paper clips, or tape on it
❏Paper that attracts static electricity
❏Moist or damp paper
❏Paper of uneven thickness
❏Overly thick or thin paper
❏Paper that is too smooth or too rough
❏Paper that is different on the front and back
❏Paper that is folded, curled, wavy, or torn
❏Paper of irregular shape, or paper that does not have right 
angle corners
Printable area
4-mm minimum margin on all sides
 
						

							278Technical Specifications Note:
❏The printable area varies, depending on the emulation mode in use.
❏When using ESC/Page language, there is 5-mm minimum margin 
on all sides.
 
						

							Technical Specifications279
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Printer
General
Printing method: Laser beam scanning and dry 
electrophotographic process
Print Quality: 1200 RIT
*1
Resolution: 600 dpi
Continuous printing 
speed
*2 (with A4/Letter):30 pages per minute or less
Paper feed: Automatic or manual feed
Paper feed alignment: Center alignment for all sizes
Input paper supply:
MP tray: Up to 150 sheets of plain paper (75 g/m²)
Up to 10 envelopes
Up to 100 sheets of transparencies
Up to 75 sheets of labels
Standard lower paper 
cassette:Up to 250 sheets of plain paper (75 g/m²)
Paper output: For all paper types and size
Paper output capacity: Up to 250 sheets of plain paper (75 g/m²)
Internal emulation: PCL6/5e emulation (LJ4 mode)
ECP/Page printer language
ESC/P 2 24-pin printer emulation
(ESC/P 2 mode)
ESC/P 9-pin printer emulation (FX mode)
IBM Proprinter emulation (I239X mode)
Resident fonts: 99 scalable fonts and 5 bitmap fonts
RAM: 64 MB, expandable up to 320 MB
 
						

							280Technical Specifications
*1Resolution Improvement Technology
*2Printing speed varies by paper source or other conditions.
Environmental
Mechanical
Temperature: In use: 5 to 35°C (41 to 95°F)
Not in use:  -20 to 40°C (-4 to 104°F)
Humidity: In use:  15 to 85% RH
Not in use:  5 to 85% RH
Altitude: 3,500 meters (11,500 feet) maximum
Weight: Approx. 19.5 kg (about 43 lb), excluding the 
imaging cartridge and options