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ERROR CODE AND TROUBLESHOOTING
5 - 43
5
5.3.5 Circuit related service call
[F090] SRAM abnormality on the SYS board
[F350] SU board abnormality
[F400] SYS board abnormality
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 confirmation 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> (05-7165).
(using [10][FAX] test pattern)
9. Turn the power OFF and then back ON.
SYS board Board check
Replacement part Measure
SRAM on the SYS board
SYS board
Classification Contents
Circuit related service call SU board abnormality
Check item Measure
Combination of the firmware
version
• Check the combination of the firmware version of the system
firmware, PU firmware, and SU firmware.
• Reinstall the SU firmware.
SU board Board check
Replacement part Measure
SU board
Classification Contents
Circuit related service call SYS board abnormality