The Belt Unit Near Life, Check Belt Unit, Belt Unit Life and Waste Toner Full messages refer to the transfer belt unit. This unit transfers the formed color image from the image drums to the paper and also contains an…
OKI MC332, MC362 and MC562: duplex printing does not work in Windows 11 and Windows 10
If an OKI printer prints only on one side of the sheet, this does not always mean that the duplex unit is faulty. The two-sided printing option may disappear because of a universal Windows driver, incorrect detection of the printer’s…
OKI MC332, MC362 and MC562 do not print from iPhone, iPad or Android — AirPrint and Mobile Print setup
To print from a phone, an OKI printer does not necessarily need built-in Wi-Fi. A model with a wired network interface can be connected to the router with an Ethernet cable, while the iPhone, iPad or Android device connects to…
OKI MC342dw, MC362w and MC562w: MFP does not connect to Wi-Fi after replacing the router or changing the password
After replacing the router, an OKI MFP may stop printing and scanning over the network even though the new Wi-Fi works normally on phones and computers. The cause is usually not the driver: the MFP still has the old network…
OKI MC332, MC362 and MC562: error 461 — MFP asks to load A4 or paper in MP Tray
Error 461 on an OKI MFP often seems illogical: A4 paper is already loaded in Tray 1, but the device again asks you to load A4 or directs the job to the MP Tray. Usually, the paper presence sensor is…
OKI MC342, MC362 and MC562: fax cannot send or receive — Line Busy and Communication Error
If an OKI MC342, MC362 or MC562 cannot send or receive faxes, reinstalling the printer driver usually does not help. A standard fax is transmitted over a telephone line, so first check the cable and the LINE connector, then the…
OKI MC332, MC362 and MC562 do not recognize a USB flash drive: scans are not saved, PDF files are not displayed
OKI MC332, MC362 and MC562 MFPs allow you to save scanned documents to a USB storage device and print compatible files from it without a computer. If the device does not recognize the flash drive, does not save a scan…
OKI B432 and MB472 print POST /ipp/print HTTP/1.1: how to stop random printing over USB
If an OKI B432 or MB472 spontaneously prints several sheets containing POST /ipp/print HTTP/1.1, lines such as Windows Internet Print Provider and Host: localhost, the cause is usually not the document, toner cartridge or printer mechanism. This text may be…
OKI B432, MB472 and MB492 not detected via USB in Windows 11: how to install the PCL6 driver
When an OKI B432, MB472 or MB492 is connected via USB, Windows 11 may fail to create a printer icon, display the status “Driver is unavailable”, or add a queue named OKI LTD xxx using the Microsoft IPP Class Driver.…
OKI B432, MB472 and MB492 constantly “Offline”: how to replace WSD with a Standard TCP/IP Port
An OKI B432, MB472 or MB492 may appear in Windows as “Offline” even though the device is turned on, connected to the router and accessible from other computers. Sometimes printing starts working again after restarting the printer or reinstalling the…