4. Troubleshooting► Error CodeC3–4110► Error messagePrepare new cyan imaging unit► SymptomCyan drum unit has almost reached the end of its life.► Troubleshooting method1) Order new cyan drum unit because drum unit with level of “Low” will be exhausted soon.► Error CodeC3–4130C3–4140► Error messageEnd of life, Replace with new magenta imaging unit► SymptomCyan drum unit is at the end of its life.► Troubleshooting method1) Open the front cover.2) Remove the waste toner container.3) Remove the cyan drum unit.(Refer to 3.2.2.1. Drum Unit)4) Install the new cyan drum unit(CLT-R809).5) Clean the LSU window.(Refer to 3.2.1.2. Cleaning the LSU window)6) Install the waste toner container.7) Close the front cover.4-105 Copyright© 1995-2016 SAMSUNG. All rights reserved.