Oki MPS5502 - Circuit Related Service Call

45641001TH Rev.1
5-43 /
Oki Data CONFIDENTIAL
5.3.6 Circuit related service call
[F090] SRAM abnormality on the SYS board
Classification Contents
Circuit related service call SRAM abnormality on the SYS board
Check item Measure
SRAM Check the connection of SRAM
1. TurnthepowerOFF,andstartuptheSettingMode(08).
2. When“SRAMREQUIRESINITIALIZATION”isdisplayedonthe
LCD,checkthedestinationandthenpressthe[START]button.Ifthe
destinationisnotcorrect,keyinthecorrectoneandthenpressthe
[START] button. (SRAM is initialized.)
3. Aftertheconrmationmessageisdisplayed,pressthe[INTERRUPT]
button.
4. Performthepanelcalibration(08-9050).
5. Entertheserialnumber(08-9601).Matchitwiththeserialnumberon
thelabelattachedtotherearcoveroftheequipment.
6. InitializetheNICinformation(08-9083).
7. TurnthepowerOFFandthenstartupwiththeAdjustmentmode(05).
8. Perform“Automaticgammaadjustment”<PPC>(05-7869).(using[4]
[FAX]testpattern)
9. Perform“Automaticgammaadjustment”<PRT>(05-8008,8009).
(using[70][FAX]testpattern)
10. Turn the power OFF and then back ON.
SYS board Board check
Replacement part Messure
SRAM on the SYS board
SYS board
[F400] SYS board abnormality
Classification Contents
Circuit related service call SYS board abnormality
Check item Measures
SYS board Board check
Replacement part Measure
SYS board