Toshiba e-STUDIO556 Service Manual page 707

Check item
Setting
[F350] SLG board abnormality (e-STUDIO556/656/756/856) / SYS board abnormality (e-
STUDIO557/657/757/857)
Classification
Other service call
e-STUDIO556/656/756/856
Check item
SLG board
Setting
Replace parts
SLG board
e-STUDIO557/657/757/857
Check item
SYS board
Combination of the firmware
version
Replace parts
SYS board
[F400] SYS board cooling fan abnormality
Classification
Other service call
Check item
Setting
Replace parts
SYS board
SYS board cooling fan
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Perform firmware installation (some firmware: OS, HDD, SYS, Laser
Firmware, PFC Firmware, Engine Main Firmware, and Scanner Firmware)
with the USB media.
 P.11-9 "11.2 Firmware Updating with USB Media"
* When the function of the Data Overwrite Enabler (GP-1070) is deleted
from the equipment, the service call "F200" occurs.
• Connector check
• Board check
Check the combination of the firmware version of the system ROM, engine
ROM and scanner ROM. Reinstall the scanner ROM firmware.
• Connector check
• Board check
• Check the combination of the firmware version of the system firmware,
engine firmware, and scanner firmware.
• Reinstall the scanner firmware.
1. Check if the fan is rotating properly.
2. If not, check if any foreign object is adhered.
3. Are the connector CN112 and the relay connector of the SYS board
connected securely?
4. Replace the SYS board cooling fan.
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Measures
Error item
Measures
Remarks
Measures
Remarks
Error item
Measures
Remarks
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
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