Question about Epson LQ 580 Matrix Printer

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Printing wrong characters

I tryed to print a thing for off the internet about the bone structure, it would let me print it with no problems. After it was finished I looked at the parper and all the letters were ascii 2 characters and the picture was just bullets all over the page. I tried this many times and i get the same thing every time and have no clue about what is the problem. If any one know what the problem is your help will be helpful.

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  • Epson Master
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Hey Kaz, do a "print preview".. this will tell you whether its the computer interpretation/rendering or its the printer...

Posted on Jul 18, 2017


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Posted on Jan 02, 2017

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SOURCE: Printing weird characters

Sounds like a driver issue. The computer expects the printer to interpret #! as part of the "next page" string. The printer doesn't interpret it that way, and prints it instead. You'll either need to change your printer's emulation mode (if it has that feature, some older dot matrix printers do), or get a new printer driver. I'm guessing the latter. You're probably using a driver that's for a slightly different model.

Posted on Aug 28, 2007

  • 163 Answers

SOURCE: Printing garbage

my dear sir plese reinstall the printer software after deleting first installation and also increse the memory of your printer ,printer memory is not matching with your CPU memory

Posted on Sep 21, 2007

  • 5 Answers

SOURCE: Epson Stylus Photo 830 Only printing first 2 inches of page

try uninstall your printer and then install it again.....

Posted on Oct 25, 2007

  • 152 Answers

SOURCE: Shadow/duplicate printing

in computer goto printer setting mode and uncheck option
toner saving mode and check out for dark or light effect

Posted on Feb 25, 2008

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SOURCE: Intermittantly Prints pages of ascii characters

check host system and data code it may not match the printer setup.

Posted on Feb 28, 2009

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A character set is presented with which unscaled 2D molecular structural diagrams can be constructed. A minimal subset has been implemented in ROM on CBM microcomputers, whilst the complete set has been defined as a character font on an ICL PERQ computer. Structural diagrams have also been output on dot-matrix and daisy-wheel printers using appropriate software to print the special characters. The character set provides a simple means of displaying molecular structures on inexpensive microcomputers, on printers and on hardware offering user-definable character fonts.

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Hi koos169:
Try these steps
Printing a configuration report, demonstration page, or menu
Press Menu.
2. Use the < or > button to select Reports, and then press .
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. The product exits the menu settings and prints the report.
Performing a soft reset
To perform a soft reset
Press Menu.
2. Simultaneously press and then release the * button and the # button to open the developer's menu.
3. Press the < or > button until the message REINIT FFS appears on the second line of the controlpanel
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Does this happen when you print from a word document, PDF etc..
What operating system are you using?
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If you try to print something and strange characters print.
either you have a corrupted print job in the memory..
Clear the Print que from the PC, unplg the printer for a few minutes.
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TO isolate the problem you can do a print preview and see if if looks good before printing.

If it does look correct before printing try

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