6
. TrouBlesHooTing ProCeDures ............................................................1
1
5
6
.1
Precautions prior to repair ...............................................................................................1
15
6.
2
Items to be checked prior to taking action on abnormal images .....................................1
1
5
6
.3
Precautions when taking action on abnormal images ....................................................1
1
5
6
.4
Preparations for troubleshooting .....................................................................................1
1
5
6
.5
Troubleshooting method ..................................................................................................1
1
5
6.
5.1 LCD Message List ..............................................................................................1
1
6
6
.5.2 Preparing for troubleshooting .............................................................................. 1
6
1
6
.5.2.(1) LCD Display Malfunction ....................................................................... 1
6
3
6
.5.2.(2) Irregular Operation of the device after turning on the power ................ 1
6
4
6
.5.2.(3) Paper Feed Jam (1st tray) .....................................................................1
7
4
6
.5.2.(4) Paper Feed Jam (Multipurpose tray) ....................................................1
7
6
6
.5.2.(5) Paper transport jam ..............................................................................1
7
8
6
.5.2.(6) Paper Exit Jam .....................................................................................1
8
3
6
.5.2.(7) Paper Size Error ....................................................................................1
8
6
6
.5.2.(8) ID Unit Up-Down Error (Service Call 140-143) .....................................1
8
7
6
.5.2.(9) Fuser Error (Service call 170-177) ........................................................1
8
8
6
.5.2.(10) Motor Fan Error(Service call 127) ........................................................1
8
9
6
.5.2.(11) Print Speed is Slow (Low Performance) ...............................................
19
0
6
.5.2.(12) LED head is not recognized(Error 131,132,133,134) ............................
19
0
6
.5.2.(13) Toner cartridge is not recognized (Error 540, 541, 542, 543) ..............
19
1
6
.5.2.(14) Fuse Cut Error (Service call 150-155) ..................................................
19
2
6
.5.2.(15) Dew Condensation Errors (Service call 123) .......................................
19
2
6
.5.2.(16) RFID Related Error ...............................................................................
19
3
6
.5.3 Image Problem Troubleshooting ..........................................................................
19
4
6
.5.3.(1) Color is totally pale (Figure 7.2
a
) ........................................................
19
5
6
.5.3.(2) Background is dirty (Figure 7.2
B
) .......................................................
19
6
6
.5.3.(3) Blank Print (Figure 7.2
C
) .....................................................................
19
7
6
.5.3.(4) Vertical lines are printed .......................................................................
19
8
6
.5.3.(5) Cyclic Print Trouble (Refer to Figure 7.2
e
) .........................................
19
9
6
.5.3.(6) Color drift is wide. ................................................................................. 2
0
0
6
.5.3.(7) Solid Black Print .................................................................................... 2
0
1
6
.5.4
Response after Flash compulsive initialization ...................................................2
0
2
6
.5.5
Network Troubleshooting ....................................................................................2
0
3
6
.6
Fuse Checking .................................................................................................................. 2
0
4
6
Service Manual
Y108500-4
