Toshiba e-STUDIO5540C Service Manual page 136

Check item
Setting
Replace parts
SRAM (SYS board)
[F350] SLG board abnormality
Classification
Circuit related service call
Check item
SLG board
Replace parts
SLG board
[F400] SYS board cooling fan abnormality
Classification
Circuit related service call
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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.
3. After the confirmation message is displayed on the LCD,
press the [INTERRUPT] button (to initialize the SRAM).
4. Perform the panel calibration (08-9050).
5. Enter the serial number (08-9601). Be sure that the serial
number is the same as that on the identification label
attached on 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" <PRC> (05-
7869) (using [4] [FAX] test pattern).
10.Perform "Automatic gamma adjustment" <PRT (600dpi)>
(05-8008) (using [70] [FAX] test pattern).
11. Perform "Automatic gamma adjustment" <PRT (1200dpi)>
(05-8009) (using [230] [FAX] test pattern).
12.Turn the power OFF and then back ON. If the error is not
recovered, replace the SRAM on the SYS board.
SLG board abnormality
1. Check if the conductor pattern on the SLG board is short
circuited or open circuited.
2. If there is no problem found in the check (1) above, check
the combination of the firmware version of the system
ROM, engine ROM and scanner ROM. Reinstall the
scanner ROM firmware.
3. If an error occurs after step (2) above has been
performed, replace the SLG board.
If an error occurs after step (2) above has been performed,
replace the SLG board.
SYS board cooling fan abnormality
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
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Measures
Remarks
Error item
Measures
Remarks
Error item
ERROR CODE and TROUBLESHOOTING
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