Epson EPL-5700 Service Manual page 9

3.4 TROUBLESHOOTING................................................................................................................................................3-10
3.4.1 Handling Paper Jam ........................................................................................................................................................................3-10
3.4.1.1 Paper Jam at power on ..........................................................................................................................................................3-10
3.4.1.2 Paper Jam at Paper Feed and Transporting ..........................................................................................................................3-10
3.4.2 Troubleshooting for Abnormal Operations ...................................................................................................................................3-11
3.4.2.1 Abnormal Laser ......................................................................................................................................................................3-11
3.4.2.2 Abnormal Polygon Motor........................................................................................................................................................3-11
3.4.2.3 Abnormal Fusing ....................................................................................................................................................................3-11
3.4.2.4 Power can not be turned on ...................................................................................................................................................3-11
3.4.3 Troubleshooting Print Quality Problems .......................................................................................................................................3-12
3.4.4 Horizontal Lines...............................................................................................................................................................................3-14
DISASSEMBLY AND ASSEMBLY
4.1 OVERVIEW...................................................................................................................................................................4-1
4.1.1 Precaution for Disassembly and Assembly.....................................................................................................................................4-1
4.1.2 Recommended Tools ........................................................................................................................................................................4-2
4.1.3 Specification for Screws ...................................................................................................................................................................4-2
4.1.4 Work Completion Check ...................................................................................................................................................................4-2
4.2 DISASSEMBLY PROCEDURE...................................................................................................... ...............................4-3
4.2.1 Preparation Before Disassembly......................................................................................................................................................4-4
4.2.2 Right Cover Removal.........................................................................................................................................................................4-5
4.2.3 Paper Feed Roller Removal ..............................................................................................................................................................4-6
4.2.4 Paper Empty Sensor Removal(PE1).................................................................................................................................................4-6
4.2.5 ROM(C215PROG-B) Exchange .........................................................................................................................................................4-7
4.2.6 Control Panel Removal......................................................................................................................................................................4-8
4.2.7 Front Cover Removal.........................................................................................................................................................................4-9