41955801TH Rev.8
107 /
Oki Data CONFIDENTIAL
5.
TROUBLESHOOTING PROCEDURES
5.1
Precautions before troubleshooting
(1)
Confirm the basic inspection items described in the user manual.
(2)
Obtain as much information regarding the problem from the user as possible.
(3)
Check the printer in a condition close to that upon generating the problem.
5.2
Precautions before handling an abnormal image
(1)
Confirm that the environment for using this printer is appropriate.
(2)
Confirm that consumables (toner, drum cartridge) are replaced appropriately.
(3)
Confirm that paper is accurate. Refer to paper specifications.
(4)
Confirm that the drum cartridge is set appropriately.
5.3
Precautions upon handling an abnormal image
(1)
Do not touch or allow foreign objects to contact the OPC drum surface.
(2)
Do not expose the OPC drum to direct sunlight.
(3)
Do not touch the fuser unit as it is heated significantly.
(4)
Do not expose the image drum to light for longer than five minutes in room temperature.
Summary of Contents for C7500n
Page 14: ...41955801TH Rev 8 14 Oki Data CONFIDENTIAL 2 2 Parts layout Figure 2 1 A A B B A A B...
Page 15: ...41955801TH Rev 8 15 Oki Data CONFIDENTIAL Top Cover Assy Figure 2 2 For 1200dpi For 600dpi...
Page 16: ...41955801TH Rev 8 16 Oki Data CONFIDENTIAL Printer Unit 1 2 Figure 2 3 A A...
Page 17: ...41955801TH Rev 8 17 Oki Data CONFIDENTIAL Printer Unit 2 2 Figure 2 4...
Page 18: ...41955801TH Rev 8 18 Oki Data CONFIDENTIAL Cassette Guide Assy L R Figure 2 5 A B B A C C C C...
Page 19: ...41955801TH Rev 8 19 Oki Data CONFIDENTIAL Duplex Unit A B D C A B C D E E F G G F Figure 2 6...
Page 84: ...41955801TH Rev 8 84 Oki Data CONFIDENTIAL Pattern 5 Pattern 6 Pattern 7...
Page 177: ...41955801TL Rev 8 4 Oki Data CONFIDENTIAL 49 35 50 44 51 50 43 46 47 48 36 Main Assembly 3 3...
Page 191: ...41955801TL Rev 8 10 10 Oki Data CONFIDENTIAL 2nd 3rd Tray 1 2 3 4 8 5 6 7...
