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Problems and Solutions
Most problems you may encounter while operating your printer have simple solutions.
Power supply
Power is not being supplied
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The lights on the control panel do not go on.
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Cause
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What to do
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The power cord may be unplugged.
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Check that the power cord is properly plugged into the electrical outlet.
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The outlet may not be operating.
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If the electrical outlet is controlled by an outside switch or automatic timer, use a different outlet. Plug another electrical device, such as a lamp, into the outlet to determine whether the outlet is operating properly.
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The lights come on briefly, and then go off. The lights stay off even when the power is turned on again.
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Cause
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What to do
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The voltage ratings of the printer and electrical outlet may not match.
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Check that the printer’s voltage rating matches the voltage of your electrical outlet. If the voltages do not match, unplug the printer and contact your dealer immediately. Do not reconnect the power cord to the electrical outlet.
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Printing
Printing or printout quality problems
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The Pause light is off, but nothing is printed.
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Cause
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What to do
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The software may not be installed properly.
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Check that the software is installed properly for your printer, as described in the Start Here. Check the software’s printer settings.
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The interface cable may not match the specifications of the printer or computer.
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Check both ends of the interface cable. Make sure the cable meets both the printer and computer specifications.
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The printer port may not be set correctly.
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For Windows 7:
Click Start, and then click Devices and Printers. For Windows Vista or XP:
Click Start, click Control Panel, and then click Printers and Faxes. For Windows 2000:
Click Start, point to Settings, and then click Printers. When the icon of the printer you are using appears, right-click it and select Printer properties (Windows 7) or Properties (Windows Vista, XP, or 2000). Then, click the Ports or Details tab and select the appropriate port.
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The Paper light is on and the printer beeps ten times.
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Cause
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What to do
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The printer may be out of paper.
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Load paper in the printer.
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The printer makes a strange noise, the beeper sounds ten times, and the printer stops abruptly.
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Cause
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What to do
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Paper may be jammed.
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Turn off the printer and check for a paper jam. If there is a paper jam, remove the jammed paper, and then turn on the printer. If the problem persists, turn off the printer, wait several minutes, and then turn it on again.
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The beeper sounds five sets of five short beeps (twenty-five times) and all the lights except the ink lights flash.
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Cause
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What to do
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A fatal error has occurred.
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Turn off the printer and turn it on again. If the problem persists, check for a paper jam. If there is no jam, contact your dealer or a qualified service person.
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Print quality declines.
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Cause
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What to do
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The print head nozzles are clogged.
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Run the Head Cleaning utility to clear any clogged ink nozzles. For more information, see Cleaning the Print Head.
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Ink cartridges not manufactured by Epson are used.
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Use genuine Epson ink cartridges.
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Medicine bags may become dirty when printing in an environment with high humidity if the surface of the medicine bags is a polyvinyl resin.
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Print in an environment with humidity of 65% or less.
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Misaligned vertical lines appear.
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Cause
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What to do
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The gaps in the print head are misaligned.
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Run the Print Head Alignment utility. For more information, see Aligning the Print Head.
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The printing speed is slow when connecting using the parallel port.
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Cause
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What to do
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The parallel interface is not set to ECP mode.
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Use BI Parallel Port Driver, which is installed with the printer driver, to communicate in ECP mode. For more information, see BI Parallel Port Driver.
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Printed characters are not what you expected
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The typestyles or characters you sent with your software did not print.
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Cause
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What to do
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The software may not be properly configured.
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Check that the software is correctly configured for your printer.
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Printing position problems
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Printing starts too high or too low on the page, or the bottom part of one page is printed at the top of the next page.
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Cause
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What to do
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The top margin or top-of-form position settings are incorrect.
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Check and adjust the margin or top-of-form position settings in your application. For more information, see Printable area.
You can also adjust the top-of-form position using the Micro Adjust function. However, settings made in Windows applications override settings made in Micro Adjust mode. For more information, see Adjusting the top-of-form position.
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Printing starts too far to the right or left on the page.
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Cause
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What to do
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The left or right margin settings are incorrect.
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Check and adjust the margin settings in your application. For more information, see Printable area.
If the settings cannot be changed in your application, adjust the print position horizontally in the printer driver. For more information, see Adjusting the Print Position.
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Page length does not match the length of the paper.
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Cause
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What to do
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The page length setting in your application may be incorrect.
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Check the page length setting in your application and adjust it if necessary.
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Paper handling
Paper loading or feeding problems
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The tractor does not feed the paper.
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Cause
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What to do
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The paper may have come off the tractor.
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Reattach the paper to the tractor.
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The paper supply is obstructed.
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Make sure the paper supply is not obstructed by a cable or some other object.
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The tear-off position is not aligned correctly.
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Cause
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What to do
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The tear-off position setting is incorrect.
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Adjust the tear-off position using the Micro Adjust function. For more information, see Adjusting the tear-off position.
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Paper feeding is crooked or the paper jams.
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Cause
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What to do
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The paper supply is too far away from the printer.
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Make sure that your paper supply is within 1 meter (3 feet) of the printer.
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The holes on the sides of the paper are misaligned.
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Check that the holes on the sides of the paper are aligned with each other. Also, make sure the sprocket units are locked and their covers are closed.
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Your paper may be the wrong size or thickness for the printer.
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Make sure that the paper size and thickness are within the specified ranges. For information on the continuous paper specifications, see Paper.
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The paper may jam depending on your operating environment.
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To prevent a paper jam, select Silent Feed mode with the printer driver. See Printer settings.
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The paper does not eject properly.
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Cause
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What to do
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The page may be too long or too short.
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Tear off the supply of paper and eject the page from the printer. Use only paper that is within the specified length range described under Paper.
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Network problems
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A communication error has occurred.
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Cause
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What to do
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Multiple users are logged on to a single computer at the same time.
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On a Windows 7/Vista (32 bit/64 bit)/XP (64 bit) system with multiple users, a communication error may occur when switching to a new user and starting a new print job while the print job for the previous user is still printing.
Make sure that the print job for the first user is complete and the user is logged off before switching to a new user and starting a new print job.
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Other problems
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The color inks are consumed even when printing black and white documents (GP-C800 only).
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Cause
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What to do
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Not only the black ink, but also the color inks are consumed during the following operations: print head cleaning and self-cleaning.
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