Samsung MultiXpress K7 Series Service Manual page 325

► Error Code
A1–2111
A1–2113
► Error message
Motor Failure: #A1-2111. Turn off then on. Call for service if the problem persists.
Motor Failure: #A1-2113. Turn off then on. Call for service if the problem persists.
► Symptom
OPC motor does not operate. / OPC motor is operational but machine recognizes status as stopped.
► Troubleshooting method
NOTE
To see the troubleshooting video for this error, click through to the link below.
• A1–2111 : http://tsp.samsung.com/tsp_file/spds/samsungprinter/K7/Webview/EN_K7_A1-2111.html
• A1–2113 : http://tsp.samsung.com/tsp_file/spds/samsungprinter/K7/Webview/EN_K7_A1-2113.html
1) Turn the machine off then on. If the error persists, check the following.
2) Remove the drum unit. Check if there are any foreign substances in drum unit.
3) Remove the rear cover.
4) Check the connection between the OPC motor and main board.
5) If the connection is OK, enter SVC mode. Execute the motor test.
(Diagnostics > Engine Diagnostics > Engine Test Routines)
a) If the motor is not operational,
i) Check the motor signal(3.3V). If the signal is abnormal, replace the main board.
ii) Check the power(24V). If the power is abnormal, check the SMPS board. If the SMPS board is defective,
replace it.
iii) If the motor signal and power is normal, replace the OPC motor.
b) If the motor is operational, replace the main board.
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4. Troubleshooting
4-74