Toshiba e-STUDIO2010AC User Manual page 15

No. Inspection item
17
SLG
Communication
*1．Here shows
the installed
status of the DF
(No
ADF, RADF,
DSDF）
*2．Although it
may be
displayed as
"WARMUP", it is
reference
information.
(Continued on next page)
Inspection result
NG <DF*1>
[C280] *2
NG <DF*1>
[C290] *2
NG <DF*1>
[C550] *2
NG <DF*1>
[C551] *2
NG <DF*1>
[C552] *2
NG <DF*1>
[C553] *2
NG <DF*1>
[C554] *2
NG <DF*1>
[F110]/[F111] *2
NG <DF*1>
[F350] *2
15
Correspondence
Refer to C280 Troubleshoot of service
manual and check each item.
Step 1. Check if 24V supplied to the SYS
board.
⇒ If supplied, replace the SYS board.
Step 2. Check 24V (CN125) and SG on.
Confirm if the SYS board is short circuited
⇒ If shorted, go to Step 3
⇒ If not shorted, go to Step 4.
Step 3. Check if the power supply is short
circuited as in Step 2 by pulling
disconnecting the supply harness (CN125)
on the SYS board.
⇒ If shorted, replace the SYS board.
⇒ If not shorted, go to Step 4.
Step 4. Check if the fuse (F203) on the
LVPS is open circuited.
⇒ If open, replace the LPVS.
⇒ If not open, go to Step 5.
Step 5. Check and replace power supply
Harness
Step 6. Replace LVPS and SYS board in
order.
Refer to C550 Troubleshoot of service
manual and check each item.
Refer to C551 Troubleshooting in the
service manual and check each item.
Refer to C552 Troubleshooting in the
service manual and check each item.
Refer to C553 Troubleshooting in the service
manual and check each item.
Refer to C554 Troubleshooting in the service
manual and check each item.
Step 1. Update scanner firmware.
Step 2. Replace the SYS board.
Replace the SYS board.