Toshiba e-STUDIO 2555C Service Manual page 705

[C9E0] Connection error between the CCD board and the SYS board
Classification
Circuit related service call
Check item
SYS board
Replacement part
CCD board
SYS board
[F090] SRAM abnormality on the SYS board
Classification
Circuit related service call
Check item
SRAM
SYS board
Replacement part
SRAM on the SYS board
SYS board
[F350] SYS board abnormality
Classification
Circuit related service call
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Connection error between scanner CPU and system CPU
Board check
SRAM abnormality on the SYS board
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 "Data transfer of characteristic value of scanner"
(05-3203).
9. Perform "Automatic gamma adjustment" <PPC> (05-7869).
(using [4][FAX] test pattern)
10.Perform "Automatic gamma adjustment" <PRT> (05-8008).
(using [70][FAX] test pattern)
11. Turn the power OFF and then back ON.
Board check
SYS board abnormality
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e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
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