Epson EPL-5700 Service Manual page 8

2.1.9 Fusing Process ................................................................................................................................................................................2-11
2.1.9.1 Overview ................................................................................................................................................................................2-11
2.1.9.2 Fusing Temperature Control Circuit .......................................................................................................................................2-11
2.1.9.3 Prevention of paper bent from the fusing ...............................................................................................................................2-12
2.1.10 Paper Eject .....................................................................................................................................................................................2-13
2.1.10.1 Face up/Face down disengage mechanism .........................................................................................................................2-13
2.2 ELECTRIC CIRCUIT........................................................................................................... ........................................2-14
2.3 CONTROLLER OPERATING PRINCIPLES ...............................................................................................................2-16
TROUBLESHOOTING
3.1 OVERVIEW...................................................................................................................................................................3-1
3.2 ELECTRIC CHECK POINT...........................................................................................................................................3-1
3.2.1 Rating of Power Fuse F1...................................................................................................................................................................3-1
3.2.2 Coil Resistance of Main Motor..........................................................................................................................................................3-1
3.2.3 Checking Sensors .............................................................................................................................................................................3-2
3.3 PRINTER CONDITION .......................................................................................................... .......................................3-3
3.3.1 Indication............................................................................................................................................................................................3-3
3.3.1.1 "Status" Conditions...................................................................................................................................................................3-3
3.3.1.2 "Error" Conditions .....................................................................................................................................................................3-4
3.3.1.3 "Warning" Conditions ...............................................................................................................................................................3-6
3.3.1.4 Service Req. Error....................................................................................................................................................................3-7
3.3.2 Paper Jam Sensor .............................................................................................................................................................................3-9
3.3.2.1 Overview ..................................................................................................................................................................................3-9
3.3.2.2 Paper Jam Sensor Conditions..................................................................................................................................................3-9
3.3.2.3 Resetting the Paper Jam..........................................................................................................................................................3-9