41316401TH Rev.9
118 /
Oki Data CONFIDENTIAL
7
Defective Image of Regular Interval (See Figure 5-2 E )
Interval
Problem
Troubleshooting
94.2 mm
Image Drum
Replace the image drum unit.
63.6 mm
Developing Roller
Replace the image drum unit.
57.8 mm
Toner Supply Roller
Replace the image drum unit.
44.0 mm
Charging Roller
Replace the image drum unit.
113.1 mm
Fuser Upper Roller
Replace the fuser unit.
Fuser Lower Roller
Replace the fuser unit.
57.8 mm
Transfer Roller
Replace the bet cassette Assy.
Note! The life counters of the I/D units, fuser unit and belt cassette unit are automatically reset
upon replacement of the units, respectively.
Summary of Contents for C7400
Page 14: ...41316401TH Rev 9 14 Oki Data CONFIDENTIAL 2 2 Parts layout Figure 2 1 A B A B B A A B...
Page 15: ...41316401TH Rev 9 15 Oki Data CONFIDENTIAL Top Cover Assy Figure 2 2...
Page 16: ...41316401TH Rev 9 16 Oki Data CONFIDENTIAL Printer Unit 1 2 Figure 2 3 A A...
Page 17: ...41316401TH Rev 9 17 Oki Data CONFIDENTIAL Printer Unit 2 2 Figure 2 4 45...
Page 18: ...41316401TH Rev 9 18 Oki Data CONFIDENTIAL Cassette Guide Assy L R Figure 2 5 A B B A C C C C...
Page 19: ...41316401TH Rev 9 19 Oki Data CONFIDENTIAL Duplex Unit A B D C A B C D E E F G G F Figure 2 6...
