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e-STUDIO2006/2306/2506/2007/2307/2507/2303A/2303AM/2803AM/2309A/2809A
ERROR CODE AND TROUBLESHOOTING
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[E120] Bypass misfeeding
Classification Error content
Paper misfeeding Jam not reaching the registration sensor
Proce
dure
Check item Result Measure
Next
Step
1
Open the right cover. Is
there any paper on the
transport path?
Yes Remove the paper.
No
2
2
Is the bypass feed clutch
working? (Perform the
output check in the test
mode: 03-204)
Is the bypass paper
sensor working? (Perform
the input check in the test
mode: 03-[4]/[F])
Yes
3
No • Check if the connector of the bypass feed
clutch and bypass paper sensor are
disconnected.
• Check if any of the connectors on the MAIN
board is disconnected.
20L/23L/25L/20H/23H/25H: CN22
23LA/23LM/28LM/23HA/28HA: CN14
• Check if the connector pins are
disconnected and the harnesses are open
circuited.
• Check if the conductor pattern on the MAIN
board is short circuited or open circuited.
• Replace the bypass feed clutch and bypass
paper sensor.
• Replace the MAIN board.
3
Bypass feed roller Bypass
separation pad
• Check the bypass feed roller and bypass
separation pad. Replace them if they are
worn out.
Parts to be replaced Remark
MAIN board
Bypass feed clutch
Bypass paper sensor
Bypass feed roller
Separation pad
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