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FS-C8500DN
Service Manual
Page 3 (Revision history)
Kyocera FS-C8500DN - Revision history
459 pages
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Revision history
Revision
Date
Replaced pages
Remarks
1
February 2, 2010
1-3-1
-
2
July 20, 2010
1-1-1, 1-1-2, 1-3-4, 1-
3-27, 1-3-36, 1
-3-37, 1-3-55, 1-3-86,
1-4-38, 1-
4-39, 2-4-1
, 2-4-2, 2-4-7
-
2
4
Table of Contents
Main Page
Cover
1
Revision history
3
Safety precautions
5
Contents
11
Specifications
15
1-1-1 Specifications
15
1-1-2 Parts names
17
(1) Body
17
(2) Operation panel
20
1-1-3 Machine cross section
21
Installation
23
1-2-1 Installation environment
23
1-2-2 Unpacking and installation
24
(1) Installation procedure
24
(2) Setting initial copy modes
33
1-2-3 Installing the cassette heater (option) (inch specifications only)
34
Maintenance Mode
37
1-3-1 Maintenance mode
37
(1) Executing a maintenance item
37
(2) Maintenance mode item list
38
(3) Contents of maintenance mode items
43
1-3-2 Mode selection menu
141
(1) Using the menu mode
141
(2) Report Print
142
(3) USB Memory
142
(4) Custom Box
143
(5) Job Box
143
(6) Counter
144
(7) Paper Settings
144
(8) Print Settings
145
(9) Network
146
(10) Device Common
146
(11) Security
148
(12) Job Accounting settings
148
(13) Administrator
149
(14) Adjust/Maintenance
149
1-3-3 Service mode
151
(1) Executing a maintenance item
151
(2) Description of service mode
152
Troubleshooting
155
1-4-1 Paper misfeed detection
155
(1) Paper misfeed indication
155
(2) Paper misfeed detection conditions
156
(3) Paper misfeeds
164
1-4-2 Self-diagnosis
174
(1) Self-diagnostic function
174
(2) Self diagnostic codes
177
1-4-3 Image formation problems
208
(1) No image appears (entirely white).
209
(2) No image appears (entirely black).
209
(3) Dirty on the back side.
210
(4) Image is too light.
210
(5) The background is colored.
211
(6) A white line appears longitudinally.
211
(7) A line appears longitudinally.
211
(8) A line appears laterally.
212
(9) Dots appear on the image.
212
(10) The leading edge of the image is consistently misaligned.
212
(11) The leading edge of the image is sporadically misaligned.
212
(12) Paper creases.
213
(13) Offset occurs.
213
(14) Image is partly missing.
213
(15) Fusing is poor.
214
(16) Image is out of focus.
214
(17) Colors are printed offset to each other.
214
(18) Image center does not align with the original center.
214
1-4-4 Electric problems
215
1-4-5 Mechanical problems
221
Assembly and Disassembly
223
1-5-1 Precautions for assembly and disassembly
223
(1) Precautions
223
(2) Drum
223
(3) Toner
223
(4) How to tell a genuine Kyocera Mita toner container
224
1-5-2 Paper feed section
225
(1) Detaching and refitting the forwarding, paper feed and separation pulleys
225
(2) Detaching and refitting the MP unit
228
(3) Detaching and refitting the MP forwarding, MP paper feed and MP separation pulleys
230
1-5-3 Optical section
233
(1) Detaching and refitting the laser scanner unit
233
(2) Manual color registration adjustment
241
1-5-4 Image formation section
243
(1) Detaching and refitting the image formation holder
243
(2) Detaching and refitting the developing unit
247
(3) Detaching and refitting the drum unit
248
(4) Detaching and refitting the charger roller unit
249
1-5-5 Transfer section
250
(1) Detaching and refitting the transfer belt unit
250
(2) Detaching and refitting the transfer roller
251
1-5-6 Fuser section
253
(1) Detaching and refitting the fuser unit
253
1-5-7 Other
254
(1) Detaching and refitting the left filter, rear upper filter, right filter 1/2, rear lower filter, front filter and duct filter
254
(2) Detaching and refitting the hard disk unit
256
(3) Detaching and refitting the left cover 1 (paper conveying unit)
259
(4) Direction of installing the principal fan motors
264
Requirements on PWB Replacement
265
1-6-1 Upgrading the firmware
265
1-6-2 Remarks on main PWB replacement
266
1-6-3 Remarks on engine PWB replacement
268
Mechanical Construction
269
2-1-1 Paper feed section
269
(1) Cassette paper feed section
269
(2) MP tray paper feed section
271
2-1-2 Drum section
274
(1) Drum section
274
2-1-3 Developing section
276
(1) Developing section
276
2-1-4 Optical section
278
(1) Laser scanner section
278
2-1-5 Transfer/separation section
280
(1) Primary transfer section
280
(2) Secondary transfer/separation section
282
2-1-6 Fuser section
283
(1) Fuser section
283
2-1-7 Eject/feedshift section
285
(1) Eject/feedshift section
285
2-1-8 Duplex section
287
(1) Duplex section
287
Electrical Parts Layout
289
2-2-1 Electrical parts layout
289
(1) PWBs
289
(2) Switches and sensors
292
(3) Motors
294
(4) Others
296
Operation of the PWBs
299
2-3-1 Power source PWB
299
2-3-2 Engine PWB
302
2-3-3 Main PWB
318
2-3-4 Main front PWB
325
2-3-5 Sub front PWB
329
2-3-6 Feed PWB
333
2-3-7 Operation panel PWB
338
Appendixes
341
Maintenance parts list
341
Maintenance kits
342
Periodic maintenance procedures
343
Chart of image adjustment procedures
347
Wiring diagram No.1
348
Wiring diagram No.2
349
Wiring diagram No.3
350
Wiring diagram No.4
351
Wiring diagram No.5
352
Wiring diagram No.6
353
Wiring diagram No.7
354
Wiring diagram No.8
355
INSTALLATION GUIDE
356
PAPER FEEDER
356
3000 SHEETS PAPER FEEDER
366
DOCUMENT FINISHER
378
3000 SHEETS DOCUMENT FINISHER
390
CENTER-FOLDING UNIT
421
MAILBOX
435
HOLE PUNCH UNIT
443
DUCT UNIT
455
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