3.13 Rear Cover
3-13
3.14 Cover Left
3-14
3.15 Top Cover
3-15
3.16 Open Cover
3-16
3.17 Inner Cover
3-17
3.18 Fuser Ass'y
3-18
3.19 Duplex Solenoid Ass'y
3-20
3.20 Exit Roller
3-21
3.21 LSU
3-22
3.22 DC Fan
3-23
3.23 Toner Sensor PBA
3-24
3.24 REGI Ass'y
3-25
3.25 MP Pick Up Ass'y
3-26
3.26 Pick Up & Feed2 Assy
3-28
3.27 Engine Shield
3-31
4. Alignment & Troubleshooting
4.1 Alignment and Adjustments
4-1
4.1.1 How to use EDC (Engine Diagnostic Control) Mode
4-1
4.1.2 Paper Path
4-10
4.1.3 Sample Pattern
4-17
4.1.4 Periodic Defective Image
4-18
4.1.5 Error Messages
4-19
4.2 Troubleshooting
4-22
4.2.1 Procedure of Checking the Symptoms
4-22
4.2.2 The cause and solution of Bad image
4-23
4.2.3 The cause and solution of the bad discharge
4-39
4.2.4 The cause and solution of the malfunction
4-49
4.2.5 Maintaining the toner cartridge
4-59
4.2.6 The cause and solutions of bad environment of the software
4-65
Continued
fineline6
