I have just installed a new toner in my Oki B8300. Since installation, I am getting 'Change toner Error'. I have used the printers IP address to check the printer status and it states the toner is empty. Is this a toner sensor error. Is it fixable?
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Re: B8300 toner error
From Oki's site:
The toner counter did not clear after installing a new toner cartridge.
The printer was not powered off when the new toner cartridge was installed, Therefore the counter did not cleared.
1. Enter the PCU Diagnostic Mode, By turning off the printer and holding down the MENU and OK buttons on power up. (Release the buttons once you're in the PCU DIAG MODE)
2. Press the MENU button 14 times until the operator panel reads " Counter Display "
3. Press the MENU button and the BACK/C button at the same time, This will put the printer into the Feed Counter Clear Mode (Release the buttons once you're in the Feed Counter Clear Mode)
4. Press the up arrow 5 times until the operator reads " Toner Counter Clear "
5. Press the OK button, The operator panel will now display " Toner no "
6. Press the up arrow once and the operator panel will display " Toner yes". Now press the OK button and the green data light will flash to indicate that the
clear process is complete
7. To exit the PCU Diagnostic Mode, By turn the printer off and then back on this will allow you to exit the PCU Diagnostic Mode
Hope that helps. If it does not please let me know
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This error comes up when the printer detects that the toner of particular color is missing. This indicated that the indicated color toner is missing from the printer(eg-- C = Cyan, Y = Yellow, M = Magenta, K = Black).
C5150 may face a toner sensor error after installing used sets of toner cartridges and sometimes even after installing new toner cartridges as well. This error can be bypassed. This can be disabled by following these steps---
1. Turn machine on while pushing and holding the (+/-), menu buttons at same time. 2. Menu window will show OKI USER. 3. Scroll to Engine Dialog Mode is indicated Push Enter button. 4. Diagnostic Mode xx xx xx S Mode is indicated. 5. ( = 2 ) . Press (- or +) button until “ENGINE - PARAMETER SET =2” is displayed. 6. Push Enter button. 7. TONER SENSOR - ENABLE is displayed. 8. Push Enter button. 9. Press (- / +) TONER SENSOR = DISABLE is displayed. 10. Press ON LINE CANCEL buttons at same time. 11. (*) is displayed. 12. Restart the Printer.
You machine has a fuser unit that it uses to bond the toner to the paper, it does this with a heater lamp heating a set of rollers that the paper passes threw after it has printed.
Your machine monitors this unit to regelate its temp, your machine is sensing via a thermister and thermal fuse the temp of the fuser unit is not hot enough to enable use, this would mean the heater lamp is blown, thermister is faulty or thermal fuse blown 95% chance it's the lamp,
What one normally does is replace fuser assembly with new this is not a user thing it requires a tec, but if your into it, it is the hi voltage hot bit near paper exit.
problem might be with toner recycle coil which runs around the back of the belt unit. as the cyan unit is the furthest down the line if any blockages occur it can back up and lift the drum unit up. check the square opening of the recycle unit on the cyan end. Make sure you change waste toner unit when prompted or you might break a gear (big job)
Karl Oki engineer