Samsung CLX-8540ND Service Manual page 5

3.2.3 Boards and Connectors .......................................... 3-79
chapter 4 Troubleshooting
4.1 Paper jam .................................................................. 4-1
4.1.1 Paper jam and clearing intruction .............................. 4-2
4.2 Firmware upgrade......................................................... 4-18
4.2.1 Using the common method ....................................... 4-18
4.2.2 F/W upgrade using SWAS (syncthru web admin service)
4.3 Diagnostic mode (Tech mode) ....................................... 4-22
4.3.1 Diagnostic mode menu .......................................... 4-22
4.3.2 Diagnostics menu map ............................................. 4-24
4.3.3 Information tab ...................................................... 4-25
4.3.4 Fault history tab ...................................................... 4-29
4.3.5 Test routines tab ................................................... 4-31
4.4 Troubleshooting............................................................ 4-65
4.4.1 Procedure of checking the symptoms ........................ 4-65
4.4.2 Error code and message .......................................... 4-66
4.4.3 Troubleshooting for error code ................................. 4-72
4.4.4 Image quality problems and solutions ........................ 4-167
4.4.5 Abnormal image printing and defective roller ............... 4-209
4.4.6 Other errors ......................................................... 4-212
chapter 5 System diagram
5.1 Block diagram ............................................................ 5-1
5.1.1 Video controller ...................................................... 5-1
5.1.2 Engin controller
5.1.3 OPE unit ............................................................... 5-3
5.1.4 DADF .................................................................. 5-4
3.2.2.21 Mail box ...................................................... 3-70
3.2.2.22 2-Bin Finisher ................................................ 3-74
Contents
................................................... 5-2
4-19