OKI Office Equipment & Supplies - Recent Questions, Troubleshooting & Support

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OKI MB480 scanner home (position) sensor error. on/off doesn't work. Printing works fine.

The exposure lamp is dirty and needs to clean on all surfaces. if not fixed then you need to replace the lamp.
1/22/2023 11:28:04 AM • OKI Office... • Answered on Jan 22, 2023
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Oki c810 90 mp tray error

12/23/2022 11:09:22 AM • OKI C5500n... • Answered on Dec 23, 2022
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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.
12/22/2022 1:47:55 AM • OKI Office... • Answered on Dec 22, 2022
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How to solve oki error code 994

Hi, I believe that this is a high-temperature error. so, you might need to move the printer to a cooler room or lower the temperature of the room that the printer is in. Thank you.
10/27/2022 7:22:25 PM • OKI Office... • Answered on Oct 27, 2022
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Error 163 on oki c5500 printer

163 Toner Sensor Error, Color: Black An error has been detected in your printer's Toner Sensor.1 Machine Check Exception A problem has been detected in the printer hardware2 DSI Exception The printers main logic has attempted to look up an invalid address.3 ISI Exception The printers main logic has attempted to read the next instruction, which has failed to execute for some reason. 4 Alignment Exception The printers main logic cannot access the memory for some reason. 5 Program Exception The printers main logic has issued an exception code. 6 Floating-point Unavailable Exception A floating-point instruction is executed when the MSR floating point enable bit is set to Disable.7 Instruction Address Breakpoint Exception The printers main logic has attempted to look up an invalid address.20 CU ROM Hash Check Error 1 CU ROM hash check error has been found. Check reproducibility if possible.21 CU ROM Hash Check Error 2 The printers CPU has a checksum error in it's memory.23 CU ROM Hash Check Error (resident) Seek service if restarting the printer does not correct the problem. 25 CU ROM Hash Check Error (DIMM2) Seek service if restarting the printer does not correct the problem.30 CU Slot1 DIMM RAM Check Error An error has been detected in operation checks on the RAM in slot 131 CU Slot2 DIMM RAM Check Error An error has been detected in operation checks on the RAM in slot 235 Slot1 RAM Spec Error Check the specification and install in slot 1 RAMs supported by the product40 CU EEPROM Error The EEPROM mounted on the CU board needs to be replaced 41 CU Flash Error The CU Flash needs to be replaced 43 Flash File System Version Mismatch Seek Service if restarting the printer and initialising the flash memory does not correct the problem42 Flash File System Error Seek Service if restarting the printer and initialising the flash memory does not correct the problem 43 PS Flash File System Error An Flash Memory error has occured and the printer needs to be serviced if restarting the printer does not correct the problem51 CU Fan Error The CU cooling fan needs to be replaced if restarting the printer does not correct the problem 70 Postscript Failure An error has been detected in your printer's Postscript Core. 72 Engine Communication Error A communications error has occurred between CU and PU boards.73 H/W Overrun Detect An error has been detected in your printer's hardware input area.74 F/W Overrun Detect Occurs when the firmware is unable to set video data in response to video DMA's data request.75 VIC Limiter An error has been detected in your printer's 80 Parameter I/O Error An error has been detected in your printer's Input/Output area.81 Parameter Consistency Check Error The EEPROM and flash memory reformatted and initialized.102 Engine RAM Error An error has been detected in your printer's engine RAM. 103 Engine SRAM Error An error has been detected in your printer's engine SRAM. 104 Engine EEPROM Error An error has been detected in your printer's engine reading/writing the EEPROM at power-up.105 Engine EEPROM Missing Error An error has been detected in your printer's Engine 106 Engine Control Error An error has been detected in your printer's Engine Controller. 122 Power Supply Fan Motor Error An error has been detected in your printer's Power Supply Fan Motor. 123 Humidity Sensor An error. has been detected in your printer's Humidity Sensor 124 Temperature Sensor An error has been detected in your printer's Temperature Sensor. 127 Fuser Unit Fan Error An error has been detected in your printer's Fuser Unit Fan Error. 131 LED Head Missing, Color: Yellow When yellow LED head connection cannot be detected132 LED Head Missing, Color: Magenta When magenta LED head connection cannot be detected133 LED Head Missing, Color: Cyan When cyan LED head connection cannot be detected.134 LED Head Missing, Color: Black When black LED head connection cannot be detected.140 Drum Up/Down, Color: Yellow An error has been detected in your printer's Yellow Drum141 Drum Up/Down, Color: Magenta An error has been detected in your printer's Magenta Drum.142 Drum Up/Down, Color: Cyan An error has been detected in your printer's Cyan Drum. 150 Drum Fuse cut NG, Color: Yellow An error has been detected in your printer's Drum Fuse. 152 Drum Fuse cut NG, Color: Cyan An error has been detected in your printer's Drum Fuse. 153 Drum Fuse cut NG, Color: Black An error has been detected in your printer's Drum Fuse. 155 Fuser Unit Fuse cut NG An error has been detected in your printer's Fuser Unit.154 Belt Unit Fuse cut NG An error has been detected in your printer's Belt Unit.160 Toner Sensor Error, Color: Yellow An error has been detected in your printer's Toner Sensor. 161 Toner Sensor Error, Color: Magenta An error has been detected in your printer's Toner Sensor. 162 Toner Sensor Error, Color: Cyan An error has been detected in your printer's Toner Sensor. 163 Toner Sensor Error, Color: Black An error has been detected in your printer's Toner Sensor. 170 Upper Thermistor, State: Short An error has been detected in your printer's Upper Thermistor. 171 Upper Thermistor, State: Open Restart the printer. If the problem continues the printer will need to be serviced172 Upper Heat Temp, State: High An error has been detected in your printer's Upper Heat Temp. 173 Upper Heat Temp, State: Low Turn the printer off to let it cool down, then restart the printer.181 I/F Error, Loc. Duplex An error has been detected in your printer's Duplexer.182 I/F Error, Loc. Tray2 An error has been detected in your printer's Tray2.187 I/F Error, Loc. Control Pnale An error has been detected in your printer's Control Panel.190 System Memory Overflow An error has been detected in your printer's System Memory Overflow.191 Page Memory Overflow An error has been detected in your printer's Page Memory Overflow. 200 PU F/W download Check Sum Error Error during PU flash download 201 PU F/W Flash Write Error An error has been detected in your printer's PU F/W Flash Write Error.202 PU F/W Flash Data Missing An error has been detected in your printer's PU F/W download Check Sum Error. 203 Engine Page Sequences IMAGACK Error An error has been detected in your printer's Engine Page Sequences IMAGACK Error. 204 EnginePageSequences IMGSET Error An error has been detected in your printer's Engine Page Sequences IMGSET Error. 2005 Oki Data Americas, Inc.
10/25/2022 8:30:50 AM • OKI C5500n... • Answered on Oct 25, 2022
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OKI c5100 Printing GREY instead of BLACK.

Not able to print a status page. Tried holding down menu 5 sec and no output. I searched the menu and am not able to find how to print status page. I did print out a demo page and the black is great but when i print out text (like the entire menu map) the black is grey. Let me know if there is anything else I can do.
10/19/2022 8:03:48 PM • OKI C5100n Laser... • Answered on Oct 19, 2022
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Oki 9800 fatal error 230

No reset need to fix fault then clears...

Replace Toner Cartridges with Gen OKI new ones... are you using non oki product? Cause Toner carts, thats where I would start looking cause the error is the machine not receiving correct information from a little chip built into the toner cartridges to allow operation to begin.





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7/6/2022 12:13:54 PM • OKI 9800hdn... • Answered on Jul 06, 2022
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I have changed the black image drum on an Oki C9655. Does anyone know how to reset the drum by accessing the maintenance menu?

The OKI replacement drum explains how to reset the timer in the paperwork that comes with the drum.
7/2/2022 9:01:25 PM • OKI Office... • Answered on Jul 02, 2022
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Admin password oki b4600

ID- admin PW - 'last 6 characters of MAC address'
6/13/2022 7:10:42 PM • OKI B4600 Laser... • Answered on Jun 13, 2022
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Error 182 call service OKI B432 DN

https://www.google.com/search?q=Error+182+call+service+OKI+B432+DN https://printcopy.info/index.php?l=en&mod=erc&brand=OKI&model=B432dn&code=182 This what OKI U.K. says Service Call 181: Error 182: Error 183: Error 184: Error 185: Error Option unit I/F error (181 = Duplex Unit. 182, 183, 184, 185 = Optional Tray) Does this error recur? Yes Restore the power. Check to make sure the contact points of the connector and replace the optional unit
5/18/2022 7:17:58 PM • OKI Office... • Answered on May 18, 2022
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Fatal Error 121

My OKI C5800LDN printer displayed the Service 121 error last night. After reading the previous solutions, and trying them with no success, I followed the instructions in the service manual, and removed the High Voltage Power Supply Board. There are four cables that plug into the board, the rest of the electrical connections are made between spring loaded fingers that make contact directly with the board when snapped into place. I used a rubber eraser to carefully polish each one of the fingers and their connections points on the circuit board. I re-installed the board, and the error is gone.
3/29/2022 8:19:14 PM • OKI C5800Ldn Led... • Answered on Mar 29, 2022
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OKI MC352 Paper Jam 380 constantly

Unplug the machine. Pull the machine out. Remove all the paper trays. Open all the doors. Remove the Toner. Get a flashlight and look for a small piece of torn paper from a previous jam that was torn when pulled out. Clean the rubber feed rollers with a damp soapy cloth, rinse and leave to dry. Reassemble the machine. Put in new paper from an unopened pack as paper can get damp this time of year. Reconnect power. Try again. https://www.google.com/search?q=OKI+MC352+paper+jam ..
2/17/2022 8:25:17 PM • OKI Office... • Answered on Feb 17, 2022
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Oki C321dn Printer, network menu is missing.

All the support is here. You need software and drivers first. https://www.oki.com/eu/printing/support/user-manual/colour/44951534/?os=ab2 ..
12/9/2021 3:51:58 PM • OKI Office... • Answered on Dec 09, 2021
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