4. Troubleshooting► Error CodeA1–2411A1–2412A1–2413► Error messageMotor Failure: #A1-2411. Turn off then on. Call for service if the problem persistsMotor Failure: #A1-2412. Turn off then on. Call for service if the problem persistsMotor Failure: #A1-2413. Turn off then on. Call for service if the problem persists► SymptomCyan OPC motor operation is abnormal.► Troubleshooting method• A1–2411 : Cyan OPC motor is stopped but machine recognizes it as operational.• A1–2412 : Cyan OPC motor is not operated for print-job.• A1–2413 : Cyan OPC motor is operating but machine recognizes status as "Stopped".1) Turn the machine off then on. If the error persists, turn the machine off again.2) Open the side cover. Check if there are any foreign substances or paper around cyan drum drive unit.3) Remove the rear cover after removing 10 screws.4) Check if the cyan OPC motor connector is connected correctly.5) If the connection is OK, turn the machine on. Enter SVC mode. Select the cyan OPC motor test.(Diagnostics > Engine Diagnostics > Engine Test Routines > 100–0043)4-73 Copyright© 1995-2016 SAMSUNG. All rights reserved.