asked Nov 28, 2004 at 9:54pm
Epson Epson Stylus Color 640


My Epson 640 usually works fine. The other day it had one of it's occasional freakouts (printing gibberish and code, making funny sounds, and refusing to be shut off or have the print order cancelled). After I plugged it back in, it acted normal except that it prints only the black portion of a page. The printer preferences are set for color, not b/w, and it has a relatively new (Epson) color cartridge. Even when I set the preference to b/w, it prints only the black portion of the message, and all other color images are blank.
It sounds like the print head is partially clogged. You can try running the print head utility a few more times. Clean the print heads by performing a head cleaning followed by printing a nozzle check pattern. A head cleaning and nozzle check pattern must be performed as a cycle. After printing a nozzle check pattern, examine the printed dot pattern. Each staggered horizontal and straight vertical line should be complete, with no gaps in the dot pattern. If there are gaps in the dot pattern, continue with another cycle. Perform up to 3 cycles if necessary.

If that does not help then you can buy the print head cleaning kit from this site http://www.fixyourownprinter.com/kea0.html and if you want to see what is involved in cleaning the print head using the kit this link will help http://inkjetprinterhelp.us/printhead.html If you would like to find out one reason why the print head clogged after changing the ink cartridge read this link http://inkjetprinterhelp.us/why.html if you want to really test the print output try printing the page from this link http://inkjetprinterhelp.us/color.html

As far as the other problem you might want to remove the printer cable from both the printer and computer and reconnect them. You might also want to clean and oil the carriage guide shaft just to ensure your printer will keep working. For info on cleaning the guide shaft try this link http://inkjetprinterhelp.us/glide.html

I hope this helps you out.

by unknown on Nov 28, 2004 at 10:04pm Add comment
It might be an idea to delete the drivers and reinstall them too, seeing as you had a gibberish moment.
by Trev Pearson on Nov 28, 2004 at 10:21pm Add comment
Don: Just in case you still get "Jibberish", after installing new Printer Drivers, like TREV suggested, then you might want to try a new Printer Cable. When a printer prints "jibberish" [random symbols and characters], or has communication problems, its usually caused by #1: bad or corrupted printer drivers. Printer drivers are usually available online from EPSON at no charge. Remove/delete your old printer and its drivers and then go online and download the newest drivers available for your printer. If you use your CD that came with your printer, then you are not getting the latest changes and updates, that may be available from Epson Company. #2: A bad or failing parallel printer cable. Jibberish can be caused by an old worn cable, a poor quality cable [not bi-directional printer cable, or not an IEEE-1284 rated cable], or simply from a loose connection on either end of your present cable, like WES mentioned. TECH NOTE: If you are using a USB CABLE, you will usually you have less communication problems caused by a bad or corrupted USB cable, but its possible...Good Luck! Denny Conway
by Denny Conway on Nov 30, 2004 at 11:35am Add comment
This is the second time you've rescued me (actually my printer) with prompt, easy-to-follow advice! The Print Head Utility cleaning and the cable reconnection did the trick.
Don Peck
by unknown on Nov 30, 2004 at 3:37pm Add comment