Oki C910 Service Manual

Also see for C910: Hardware Material safety data sheet User guide Setup guide Troubleshooting guide

Contents

Oki Data CONFIDENTIAL44043511TH Rev.2 189 /7.5.1 LCD Message ListWhen the printer detects errors that can be restored, it displays a service call error on the LCD,as shown below.Service Callnnn: ErrorNote! nnn is an Error code.When a service call is displayed, the error code and accompanying error information is displayedon the bottom row of the LCD. The meaning of the error code and the overview of the remediesare indicated in Table 7-1-1.Table 7-1-1 Operator Alarm (1/9)Display Cause Error Description and Analysis Judgement RemedyService Call001: ErrorA heavy trouble of theCU substrate (defectivesubstrate or power supplycapacity shortage) wasdetected.Is the error display reproducible?Is the error display reproducible?YesYesPower OFF/ONReplace CU PCB.(Must replace EEPROM)Service CallPower off/onnnn: Fatal ErrorPC: nnnnnnnnLR: nnnnnnnnFR: nnnnnnnn002: Errorto007: ErrorThis stems from a varietyof causes.For analyzingcauses, record threenumbers (called programcounting value) indicatedbelow LCD column and aprinter firmware version.[Cause]Unmatched printdata and printer FWDamaged EEPROMdataDefect ROM DIMMor RAM DIMMDefect components etc.of CPU and ASICOthers Keep on analyzing causes if an errorstill remains.Above mentionedto are likelihoodof causes.Record three digital numbers belowLCD column.Restart with OFF/ON?Does an error occur in a particularprint data?Is the error display reproducible?Is the error display reproducible?Is the error display reproducible?YesNoYesNoYesYesNoYesNotify three digital numbers belowLCD column and F/W version.Check if it occurs depending on aprint data.Request for print datainvestigation.Change RAM DIMM or ROMDIMM.Replace CU PCB. (Must replaceEEPROM)Initialize EEPROM.Re-execute Network setup, suchas user setup etc. for use.Change the printer.Service Call025: ErrorCU Font ROMHash Error1Detected a Font Data hash checkerror.(Japan Model only)Replace CU PCB.(Must replace EEPROM)Service Call030: ErrorCU ResidentRAM Check ErrorIs the error display reproducible? Yes Replace CU PCB.(Must replace EEPROM)Service Call031: ErrorCU Slot1 DIMMRAM Check ErrorIs the applicable RAM DIMM mountedproperly?Is operation restored by replacing theapplicable RAM DIMM?NoYesNoRe-mount applicable RAM DIMM.Replace RAM DIMM.Replace CU PCB.(Must replace EEPROM)Service Call037: ErrorSlot2 RAM Spec errorSpecification of DIMM in CURAM slot2 is unsupported.Is this a standard RAM DIMM? Is theapplicable RAM DIMM differencemounted normal?Is operation restored by replacing theapplicable RAM DIMM?NoNoYesNoUse a standard RAM DIMM.Re-mount applicable RAM DIMM.Replace RAM DIMM.Replace CU PCB.(Must replace EEPROM)Service Call040: ErrorCU EEPROMERRORIs the problem corrected by replacingthe CU PCB EEPROM?YesNoREPLACE EEPROM.(User must correct environmentalconditions)Replace CU PCB.(Must replace EEPROM)Service Call041: ErrorCU FLASHERRORCU PCB flashROM errorIs the error display reproducible? Yes Replace CU PCB.(Must replace EEPROM)