3.9 Transfer Roller
3-11
4. Alignment & Troubleshooting
4.1 Alignment and Adjustments
4-1
4.1.1 Sample Pattern
4-1
4.1.2 Control Panel
4-4
4.1.3 Consumables and Replacement Parts
4-7
4.1.4 LED Status Error Message
4-7
4.1.5 Abnormal Image Printing and Defective Roller
4-8
4.1.6 How to use DCU
4-9
4.1.7 Paper Jam
4-15
4.1.8 Download & Reset F/W
4-20
4.2 Troubleshooting
4-21
4.2.1 Procedure of Checking the Symptoms
4-21
4.2.2 The cause and solution of Bad image
4-22
4.2.3 The cause and solution of the bad discharge
4-38
4.2.4 The cause and solution of the malfunction
4-46
4.2.5 Toner Cartridge Service
4-56
4.2.6 The cause and solutions of bad environment of the software 4-58
5. Exploded Views & Parts List
5.1 Main
5-2
5.2 Top Cover
5-4
5.3 Cover Ass'y
5-6
5.4 Front Cover
5-8
5.5 Rear Cover
5-10
5.6 Frame
5-12
5.7 Main Drive
5-17
5.8 Rear Guide
5-19
Continued
