Samsung CLP-680 Series Service Manual page 4

Contents
3.4.15. MP Pick-Up Unit......................................................................................................... 3 − 19
4. Alignment and Troubleshooting ........................................................................................................... 4 − 1
4.1. Alignment and Adjustments....................................................................................................... 4 − 1
4.1.1. Control panel.............................................................................................................. 4 − 1
4.1.2. Understanding the status LED........................................................................................ 4 − 3
4.1.3. Clearing paper jams ..................................................................................................... 4 − 4
4.1.4. Useful menu item for service ......................................................................................... 4 − 9
4.1.5. Periodic Defective Image .............................................................................................. 4 − 11
4.1.6. Useful management tools .............................................................................................. 4 − 12
4.1.6.1.
4.1.6.2.
4.1.6.3.
4.1.7. Updating Firmware ...................................................................................................... 4 − 17
4.1.7.1.
4.1.7.2.
4.1.8. Tech Mode (Diagnostic Mode) ....................................................................................... 4 − 20
4.2. Troubleshooting ...................................................................................................................... 4 − 24
4.2.1. Procedure of checking the symptoms............................................................................... 4 − 24
4.2.1.1.
4.2.2. Error Code and Troubleshooting..................................................................................... 4 − 26
4.2.3. Image quality problems ................................................................................................ 4 − 49
4.2.4. Other errors ................................................................................................................ 4 − 53
5. System Diagram................................................................................................................................ 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. Document Revision List............................................................................................................ 6 − 8
iii
Using Samsung Easy Printer Manager (Windows and Macintosh only) .................... 4 − 12
Using Samsung Printer Status (Windows only) ................................................... 4 − 14
Using SyncThru Web Service (SWS) ................................................................ 4 − 15
Update the firmware by using the USB port........................................................ 4 − 17
Update the firmware by using the network.......................................................... 4 − 18
Basic Check List ........................................................................................... 4 − 25
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