Samsung SF-76x series Service Manual page 4

Contents
4.1.1. Control Panel.............................................................................................................. 4 − 1
4.1.2. Understanding the status LED........................................................................................ 4 − 3
4.1.3. JAM removal.............................................................................................................. 4 − 4
4.1.4. Useful menu item for service ......................................................................................... 4 − 7
4.1.5. Periodic Defective Image .............................................................................................. 4 − 8
4.1.6. Useful management tools .............................................................................................. 4 − 9
4.1.6.1.
4.1.6.2.
4.1.6.3.
4.1.7. Updating Firmware ...................................................................................................... 4 − 13
4.1.8. Tech mode ................................................................................................................. 4 − 14
4.2. Troubleshooting ...................................................................................................................... 4 − 18
4.2.1. Procedure of checking the symptoms............................................................................... 4 − 18
4.2.1.1.
4.2.2. Error Code and Troubleshooting..................................................................................... 4 − 20
4.2.3. Image quality problem.................................................................................................. 4 − 27
4.2.4. Other errors ................................................................................................................ 4 − 32
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. The Sample Pattern for the Test .................................................................................................. 6 − 8
6.4. Selecting a location .................................................................................................................. 6 − 9
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Using Samsung Easy Printer Manager (Windows and Macintosh only) .................... 4 − 9
Using Samsung Printer Status (Windows only) ................................................... 4 − 11
Using Smart Panel (Linux only) ....................................................................... 4 − 12
Basic Check List ........................................................................................... 4 − 19
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