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[C270] Carriage home position sensor not going OFF within a specified time / Downloading
firmware with an incorrect model
Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and
check the following items.
Are the carriages slightly moved to the feeding direction?/Are the carriages staying at a
position other than home position?
YES
Check if the circuits of the SLG board are abnormal.
NO
1. Check if the connector pin is disconnected or the harness is short circuited or open
circuited.
2. Check if the conductor pattern on the SLG board is short circuited or open circuited.
3. Replace the SLG board.
4. If the model of the firmware downloaded is incorrect, a C270 error (exposure lamp blinks
twice) occurs.
If the exposure lamp blinks twice, download the correct ROM.
[C280] Carriage home position sensor not going ON within a specified time
Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and
check the following items.
Do the carriages make a big noise after they arrive at the home position?
YES
The carriage home position sensor is not turned ON.
|
|
1. Check if the connector of the sensor is disconnected.
|
2. Check if the circuits of the SLG board are abnormal.
NO
The carriages are stopped at the home position and do not move.
1. Check if the connector pins are disconnected or the harnesses are short circuited or open
circuited.
2. Check if the conductor pattern on the SLG board is short circuited or open circuited.
3. Replace the SLG board.
e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
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