45584901TH Rev.1
5-43 /
Oki Data CONFIDENTIAL
5.3.5 Circuit related service call
[F090] SRAM abnormality on the CU board
Classification Contents
Circuit related service call SRAM abnormality on the CU board
Check item Measure
SRAM Check the connection of SRAM
1. TurnthepowerOFF,andstartuptheSettingMode(08).
2. When“SRAMREQUIRESINITIALIZATION”isdisplayedonthe
LCD,checkthedestinationandthenpressthe[START]button.Ifthe
destinationisnotcorrect,keyinthecorrectoneandthenpressthe
[START] button. (SRAM is initialized.)
3. Aftertheconrmationmessageisdisplayed,pressthe[INTERRUPT]
button.
4. Perform the panel calibration (08-9050).
5. Enter the serial number (08-9601). Match it with the serial number on
thelabelattachedtotherearcoveroftheequipment.
6. Initialize the NIC information (08-9083).
7. Turn the power OFF and then start up with the Adjustment mode (05).
8.
P
erf
or
m
“Automaticgammaadjustment”
<PPC>(05-7869).
(using[4]
[FAX]testpattern)
9.
P
erf
or
m
“Automaticgammaadjustment”
<PRT>(05-8008,8009).
(using[70][FAX]testpattern)
10. Turn the power OFF and then back ON.
CU board Board check
Replacement part Messure
SRAM on the CU board
CU board
[F350] SU board abnormality
Classification Contents
Circuit related service call SU board abnormality
Check item Measure
Combination of the firmware
version
• Checkthecombinationofthermwareversionofthesystemrmware,
PUrmware,andSUrmware.
• ReinstalltheSUrmware.
SU board Board check
Replacement part Measure
SU board
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