Oki MC770 Maintenance Manual

45584901TH Rev.1
8-9 /
Oki Data CONFIDENTIAL
Notes:
• “UpdateFailed.”isdisplayedatthebottomoftheLCDscreenwhentheupdating
isnotcompletedproperly.“Failed”appearsnexttothefaileditemonthestatus
display.Eventhoughanupdatefails,donotturnthepowerOFFuntilother
updatesarenished.If“UpdateFailed”appearsatthebottomofthescreen,turn
OFF the power and then check the following items. After confirming and clearing
theproblems,restartupdatingfromthebeginning.
- Does the USB device meet the conditions to be used for updating?
- Is the data file written properly on the USB device?
- Is the USB device installed properly?
- DotheUSBdeviceandequipmentoperateproperly?
• Theintegritychecksystemisautomaticallyoperatedbeforermwareupdating.
Duringthisoperation,“VerifyingSignature...”and“Progress:**%”aredisplayed
onthecontrolpanel.Whenthecheckiscompletedproperly,nomessagefor
notifyingthesuccesswillappearandthermwareupdatingwillstart.Ifitfails,
“InvalidSignature”and“CopyDatawith>validsignatureinUSB”willbeshown.
Inthatcase,rmwareupdatingcannotbeperformed,soturnthepowerOFFand
disconnect the USB device. Check that there is no abnormality in the firmware
data,andreperformtheupdate.
• Whenansystemrmware(OSData)updateerrororsystemsoftware(HDData)
updateerroroccurs,“UpdateFailed”or“Failed”appearsonthescreenandthe
error number appears next to the message.
 Fordetailsofeacherror,refertothefollowingtables.
System firmware update Error
Error number Error content
O01 FROM writing failed
O02 FROM verification error
O03 File operation error
O04 SRAMagseterror
O05 Electronic key data backup error
O06 Device error
System software update Error
Error number Error content
H01 File creation error
H02 File decompression error (Out of free disk space on the HDD at
file extraction)
H03 Partition mount error
H00 Other errors

Oki MC770 Specifications

General

Brand	Oki
Model	MC770
Category	All in One Printer
Language	English