3.2.1 Replacement interval for parts with a limited life ………… 3-2
3.2.2 Printer Cleaning ……………………………………………… 3-3
3.3 Information Related to Disassembly and Assembly ………… 3-4
3.3.1 Special service parts ……………………………………… 3-4
3.3.2 Screws used in the printer ………………………………… 3-5
3.4 Disassembly Procedure ………………………………………… 3-7
3.4.1 Cover ………………………………………………………… 3-7
3.4.2 ITB …………………………………………………………… 3-9
3.4.3 Fuser unit …………………………………………………… 3-9
3.4.4 HVPS board ………………………………………………… 3-10
3.4.5 Main PBA …………………………………………………… 3-11
3.4.6 SMPS board ………………………………………………… 3-11
3.4.7 LSU …………………………………………………………… 3-12
3.4.8 Holder Pad …………………………………………………… 3-12
3.4.9 Transfer roller ………………………………………………… 3-13
3.4.10 OPE PBA …………………………………………………… 3-14
3.4.11 Pick up roller ……………………………………………… 3-15
4.1 Alignment and Adjustments ……………………………………… 4-1
4.1.1 Control Panel ………………………………………………… 4-1
4.1.2 Jam Removal ………………………………………………… 4-9
4.1.3 Firmware upgrade …………………………………………… 4-13
4.1.4 Periodic Defective Image …………………………………… 4-14
4.1.5 Using the smart pane program …………………………… 4-15
4.1.6 How to use EDC (Engine Diagnostic Control) Mode …… 4-17
4.2 Troubleshooting…………………………………………………… 4-22
4.2.1 Procedure of Checking the Symptoms …………………… 4-22
4.2.2 Troubleshooting Checklist ………………………………… 4-23
4.2.3 Solving General Printing Problems ……………………… 4-24
4.2.4 Solving Print Quality Problems …………………………… 4-32
4.2.5 Common Windows Problems ……………………………… 4-50
4.2.6 Common Macintosh Problems …………………………… 4-51
chapter 4 Alignment and Troubleshooting
Contents