Samsung M3015 Series Service Manual page 4

Contents
3.3.18. Main Motor ................................................................................................................ 3 − 19
4. Troubleshooting ................................................................................................................................ 4 − 1
4.1. Control panel .......................................................................................................................... 4 − 1
4.2. Understanding the LEDs ........................................................................................................... 4 − 3
4.3. Updating Firmware .................................................................................................................. 4 − 5
4.3.1. Update the firmware by using the USB port ...................................................................... 4 − 6
4.3.2. Updating from the Network .......................................................................................... 4 − 7
4.4. Clearing paper jams.................................................................................................................. 4 − 11
4.5. Useful management tools .......................................................................................................... 4 − 17
4.5.1. SyncThru™ Web Service .............................................................................................. 4 − 17
4.5.2. Samsung Easy Printer Manager ...................................................................................... 4 − 19
4.6. EDC program.......................................................................................................................... 4 − 21
4.7. Troubleshooting ...................................................................................................................... 4 − 23
4.7.1. Procedure of checking the symptoms............................................................................... 4 − 23
4.7.2. Error Code and Troubleshooting..................................................................................... 4 − 24
4.7.3. Image quality problem.................................................................................................. 4 − 40
5. System Diagrams .............................................................................................................................. 5 − 1
5.1. Block Diagram ........................................................................................................................ 5 − 1
5.2. Connection Diagram................................................................................................................. 5 − 2
6. Reference Information........................................................................................................................ 6 − 1
6.1. Tool for Troubleshooting ........................................................................................................... 6 − 1
6.2. Glossary................................................................................................................................. 6 − 2
6.3. The Sample Pattern for the Test .................................................................................................. 6 − 8
6.4. Model Name and Code ............................................................................................................. 6 − 9
6.5. Document Revision List............................................................................................................ 6 − 10
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