- Page 5 Questions & Answers
Oki B431D error 127
The fan on the left side of the chassis has either failed or is running slow. They do however get quite a lot of dust and c--p on them and that can slow them down. Remove the left side cover and clean the fan. If that does not cure it then a new one is required. The part number and description are: 43289101 OR-Motor-FAN(80). Any OKI dealer should be able to get it for you.
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Put A4 in upper tray error
Change the printer properties to use paper from the automatic feeder tray. And, unless you are in Europe, you probably don't want to specify A4 paper. Try "letter" or some other size.
The manual is at this URL. See page 49 http://www.manualslib.com/manual/113847/Oki-B4545-Mfp.html
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How to reset Oki 720 to factory default
Okidata B710 and B720 Maintenance Reqd. Reset Procedure
To enter the Diagnostics area:
Turn the printer power OFF.
Press and Hold the MENU^ and Enter buttons.
Turn the printer power ON (you can release these buttons as soon as "loading ... '' is displayed.
The Operator Panel reads "Diagnostics"
There is a list of Test Options and settings.
Press the Down Arrow highlight "Maintenance Info." Press the Enter button
The Operator Panel Display reads "Maintenance Info" with setting listed.
Reset Maintenance reqd. is highlighted. Press Enter
Reset Maint. Reqd. is displayed and Execute is highlighted.
The Display reads - Resetting Maintenance Required.
This completes the process.
1,804 views | 1 helpful votes
The low voltage power supply is located in the bottom right side of the machine. Remove the right side cover and you will see it at the bottom of the machine. It is the full length of the unit. All you can do is check the fuse but its unlikely to be at fault unless there was a power surge at some time. If the PSU has blown then the cost of a new one and fitting will be more than half the value of the whole machine.
478 views | 1 helpful votes
What is 811 error?
You cannot repair this error easily. Most times its the main board that has the problem but its more than likely to be the scanner pcb than the main board. I am actually in the middle of the very same error and have tried the main board and it is the scanner pcb that is causing this particular problem. As you do not state what model you have , I cannot give you a part number.
378 views | 0 helpful votes
How to clear a fake paper jam in oki B6250 printer
The usual cause of "fake" paper jams is a prior "real" paper jam. One of two things occurs.
- A small bit of paper tears off the jammed stock and hides from view, but keeps the printer jammed. These can be hard to find and remove, depending upon where they are.
- In the process of yanking the jammed paper out of the unit, the sensor(s) become damaged or misaligned and give false jam indications. This usually needs repair or replacement.
516 views | 1 helpful votes
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