Question about OKI MICROLINE 520 Matrix Printer
SOURCE: oki 520/521 logic boards
Check if the Pico fuse is blown ? next to the heat sink on the transisitor array with the number 2025.if the fuse is gone than the fuse plus the 2025 transistor must be replaced.
Posted on Dec 31, 2007
SOURCE: OKI MICROLINE 320 Turbo
1) First Disconnect the printer cable from the printer and computer, inspect the cable for damage
replace cable, if you have a different cable even better
2) Reboot PC and Re-install printer driver
3) if these steps do not work, it is possible there is a problem with the main board in the printer, sometimes, removing the board and re-installing it can help (dirty contacts inside)
but usually with problems like this is the drivers or cable
hope this helps
thanks for rating
Posted on Jan 18, 2008
This sounds like a problem in the computer program that is sending the prints to the printers....especially since it is happening in several of them.
Posted on Jan 23, 2008
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