4.1.2 Understanding The Status LED …………………………… 4-3
4.1.3 Paper path …………………………………………………… 4-4
4.1.4 Menu Map …………………………………………………… 4-9
4.1.5 F/W Upgrade ………………………………………………… 4-13
4.1.6 Tech Mode …………………………………………………… 4-14
4.1.7 EDC Mode …………………………………………………… 4-19
4.1.8 Periodic Defective Image …………………………………… 4-23
4.1.9 Error Message ……………………………………………… 4-24
4.2 Troubleshooting ……………………………………………… 4-29
4.2.1 Procedure of Checking the Symptoms …………………… 4-29
4.2.2 Troubleshooting Checklist ………………………………… 4-30
4.2.3 Solving General Printing Problems ……………………… 4-31
4.2.4 Solving Print Quality Problems …………………………… 4-39
4.2.5 Common Windows Problems ……………………………… 4-57
4.2.6 Common Macintosh Problems …………………………… 4-58
4.2.7 Common Linux Problems ………………………………… 4-59
4.2.8 Major Problems Trouble shooting ………………………… 4-53
4.2.9 Fax & Phone Problems (only 4 in 1) ……………………… 4-67
4.2.10 Copy Problems …………………………………………… 4-76
4.2.11 Scanner, OPE problems ………………………………… 4-80
5.1 Block Diagram …………………………………………………… 5-1
5.2 Connection diagram (4 in 1) …………………………………… 5-2
Connection diagram (3 in 1) …………………………………… 5-3
6.1 Tools for Troubleshooting ……………………………………… 6-1
6.2 Acronyms and Abbreviations …………………………………… 6-2
6.3 Select a location for the printer ………………………………… 6-4
6.4 A4 ISO 19752 Standard Pattern ………………………………… 6-5
Contents
chapter 6 Reference information
chapter 5 System diagram