Kyocera FS C5030N Service Manual - Page 174

2F3/2F4-3.0

2-2-2

6.

Sensor PWB

................................................

Consists the top cover/paper feed unit switch, side cover switch, top

cover switch 1, paper gauge switch 1/2, registration sensor, and, wiring

relay circuit.

7.

Operation panel PWB

..................................

Indicates the LCD message display and LED indicators. Controls key

inputs.

8.

Bias high voltage PWB

................................

Generates the developing magnet roller bias, developing sleeve bias,

and secondary transfer bias.

9.

Main high voltage PWB

................................

Generates the main charger high voltage and primary transfer rollers

bias.

10.

System DIMM PWB

.....................................

System program (firmware).

11.

Waste toner full sensor PWB

.......................

Detects the waste toner box being full.

12.

Waste toner full sensor

................................

Section of LED light emitting for waste toner detection.

13.

MP tray paper sensor

...................................

Detects paper misfeed in the MP tray.

14.

Humidity sensor

...........................................

Detects the ambient humidity.

15.

Temperature sensor

.....................................

Detects the ambient temperature.

16.

Registration sensor

......................................

Detects the timing of primary feeding.

17.

Paper gauge sensor 1

..................................

Detects the paper remaining amount level.

18.

Paper gauge sensor 2

..................................

Detects the paper remaining amount level.

19.

Paper full sensor

..........................................

Detects whether the face-down tray is full.

20.

Toner ID sensor

............................................

Measures image density for color calibration.

21.

Envelope feeder install sensor

.....................

Installing detection of optional envelope feeder.

22.

Top cover/feed unit switch

............................

Shuts off 24 V power line when the top cover is opened.

23.

Top cover switch 1

.......................................

Detects the top cover open.

24.

Top cover switch 2

.......................................

Detects the top cover and left side cover open.

25.

Side cover switch

.........................................

Shuts off 24 V power line when the left side cover is opened.

26.

Power switch

................................................

Turns ON/OFF the AC power source.

27.

Cassette size switch

....................................

Detects the paper size dial setting of the paper setting dial.

28.

Feed motor

...................................................

Drives the paper feed section.

29.

Fuser motor

..................................................

Drives the primary transfer cleaning unit, fuser unit and exit section.

Drives the primary transfer unit.

30.

Primary transfer motor

.................................

31.

Drum motor 1

...............................................

Drives the magenta drum unit.

32.

Drum motor 2

...............................................

Drives the cyan drum unit.

33.

Drum motor 3

...............................................

Drives the yellow drum unit.

34.

Drum motor 4

...............................................

Drives the black drum unit.

35.

Toner motor 1

...............................................

Replenishes the magenta developer with toner.

36.

Toner motor 2

...............................................

Replenishes the cyan developer with toner.

37.

Toner motor 3

...............................................

Replenishes the yellow developer with toner.

38.

Toner motor 4

...............................................

Replenishes the black developer with toner.

39.

Ozone fan motor 1

.......................................

The exhaust gas of ozone.

40.

Ozone fan motor 2

.......................................

The exhaust gas of ozone.

41.

Main fan motor

.............................................

Dissipates heat from the fuser unit.

42.

Drum motor cooling fan motor

.....................

Dissipates heat from the drum motors.

43.

Controller box fan motor

..............................

Dissipates heat from the controller box.

44.

Developer drive stop motor

..........................

Detaches and makes stop the drive transmission of developers other

than black developer at the time of monochrome printing.

45.

CPU cooling fan motor*

2

...................

...........

Cools the main controller PWB (CPU).

46.

MP tray feed solenoid

..................................

Controls the primary paper feed from the MP tray.

47.

Registration clutch

.......................................

Controls the second paper feed.

48.

Feed clutch

..................................................

Controls the paper cassette paper feed.

49.

AC inlet

........................................................

Connects the AC power source.

50.

Expanding memory (optional)

......................

For expanding main RAM.

51.

Expanding memory card (optional)

..............

Expands the print job function.

52.

Expanding board (optional)

..........................

Expands the interface, network interface card or serial interface board.

*1

: 16 ppm printer only.

*2

: 24 ppm printer only.

Section	Page
Cover	1
Revision history	2
CONTENTS	3
Safety precautions	7
Specifications	13
1-1-1 Specifications	13
1-1-2 Parts names	17
(1) Overall	17
(2) Operation panel	18
1-1-3 Cross section view	19
Handling Precautions	21
1-2-1 Drum unit	21
1-2-2 Installation environment	21
Installation	23
1-3-1 Unpacking and installation	23
(1) Installation procedure	23
1-3-2 Installing expansion memory (optional)	30
1-3-3 Installing a memory card (optional)	32
1-3-4 Installing the network interface card (optional)	33
1-3-5 Installing the hard disk unit (optional)	34
Maintenance Mode	35
1-4-1 Service mode	35
(1) Executing service mode	35
1-4-2 Maintenance	52
(1) Method of removing the toner soiling which comes in contact with heat roller and press roller (press belt)	52
Troubleshooting	53
1-5-1 Paper misfeed detection	53
(1) Paper misfeed indication	53
(2) Paper misfeed message display	54
1-5-2 Self-diagnosis	55
(1) Self-diagnostic function	55
(2) Self-diagnostic code	56
1-5-3 Electrical problems	73
1-5-4 Image formation problems	76
Assembly and Disassembly	87
1-6-1 Precautions for assembly and disassembly	87
(1) Precautions	87
1-6-2 Outer covers	88
(1) Detaching and refitting the top cover	88
(2) Detaching and refitting the rear cover	89
(3) Detaching and refitting the right cover	90
(4) Detaching and refitting the left cover	91
1-6-3 Paper feed unit	92
(1) Detaching and refitting the paper feed unit	92
(2) Detaching and refitting the paper feed roller	93
(3) Detaching and refitting the retard roller	94
(4) Detaching and refitting the secondary transfer roller	95
1-6-4 MP tray feed unit	96
(1) Detaching and refitting the MP tray feed unit	96
(2) Detaching and refitting the MP tray feed roller	97
1-6-5 Developing section	98
(1) Detaching and refitting the developer unit	98
1-6-6 Drum section	99
(1) Detaching and refitting the drum unit	99
(2) Replacing the LED print head and drum unit	101
1-6-7 Primary transfer section	108
(1) Detaching and refitting the primary transfer unit	108
(2) Detaching and refitting the primary transfer belt	109
(3) Detaching and refitting the primary transfer cleaning unit	110
1-6-8 Fuser unit (16 ppm printer)	111
(1) Detaching and refitting the fuser unit	111
(2) Detaching and refitting the fuser thermistor 1 and 2, fuser thermostat 1 and 2, fuser heater lamp 1 and 2, heat roller, and press roller	112
1-6-9 Fuser unit (24 ppm printer)	118
(1) Detaching and refitting the fuser unit	118
(2) Detaching and refitting the fuser thermistor 1, fuser thermostat 1, fuser heater lamp, heat roller, and press belt	119
1-6-10 PWBs	126
(1) Detaching and refitting the main controller PWB	126
(2) Detaching and refitting the engine controller PWB and power supply PWB	127
(3) Detaching and refitting the LED print heads relay PWB	130
(4) Detaching and refitting the main high voltage PWB	131
(5) Detaching and refitting the bias high voltage PWB	132
1-6-11 Others	133
(1) Detaching and refitting the main drive unit	133
(2) Detaching and refitting the paper feed drive unit	134
(3) Detaching and refitting the fuser drive unit	135
(4) Detaching and refitting the toner motor 1, 2, 3 and 4	136
(5) Detaching and refitting the ozone filters	137
(6) Detaching and refitting the waste toner duct	138
Firmware	139
1-7-1 Downloading firmware	139
(1) Downloading the firmware from the parallel interface	140
(2) Downloading the firmware from the memory card	141
Mechanical Construction	143
2-1-1 Paper feed section	143
(1) Paper feeding from paper cassette	143
(2) Paper feeding from MP tray	147
2-1-2 Developing section	149
(1) Developer unit	149
(2) Touch down developing method	151
(3) \\Developer drive stop mechanism	152
2-1-3 Drum section	153
(1) Drum unit	153
(2) Waste toner ejecting mechanism	156
(3) LED print head	157
(4) Main charger unit	159
2-1-4 Primary transfer section	161
(1) Primary transfer unit	161
(2) Primary transfer cleaning unit	163
2-1-5 Secondary transfer and separation section	166
2-1-6 Fuser section	168
(1) Fuser unit (16 ppm printer)	168
(2) Fuser unit (24 ppm printer)	170
Electrical Parts Layout	173
2-2-1 Electrical parts layout	173
(1) Main frame and controller box	173
(2) Drum unit, developer unit and fuser unit	175
Operation of the PWBs	177
2-3-1 Power supply PWB	177
2-3-2 Engine controller PWB	179
(1) Fuser heater lamps control circuit	180
(2) Interlock and 24 V DC power supply circuit	181
2-3-3 Main controller circuit	188
Appendixes	189
2-4-1 Appendixes	189
(1) Timing chart No. 1 Paper cassette, A4 size (16 ppm printer)	189
(2) Timing chart No. 2 Paper cassette, Legal size (16 ppm printer)	190
(3) Timing chart No. 3 Paper cassette, Letter size (16 ppm printer)	191
(4) Timing chart No. 4 MP tray, A4 size (16 ppm printer)	192
(5) Timing chart No. 5 MP tray, Legal size (16 ppm printer)	193
(6) Timing chart No. 6 MP tray, Letter size (16 ppm printer)	194
(7) Timing chart No. 7 Optional paper feeder, A4 size (16 ppm printer)	195
(8) Timing chart No. 8 Paper cassette, A4 size, Slow mode 1 [75 %] (16 ppm printer)	196
(9) Timing chart No. 9 Paper cassette, A4 size, Slow mode 2 [55 %] (16 ppm printer)	197
(10) Timing chart No. 10 MP tray, Transparency (16 ppm printer)	198
(11) Timing chart No. 1 Paper cassette, A4 size (24 ppm printer)	199
(12) Timing chart No. 2 Paper cassette, Legal size (24 ppm printer)	200
(13) Timing chart No. 3 Paper cassette, Letter size (24 ppm printer)	201
(14) Timing chart No. 4 MP tray, A4 size (24 ppm printer)	202
(15) Timing chart No. 5 MP tray, Legal size (24 ppm printer)	203
(16) Timing chart No. 6 MP tray, Letter size (24 ppm printer)	204
(17) Timing chart No. 7 Optional paper feeder, A4 size (24 ppm printer)	205
(18) Timing chart No. 8 Paper cassette, A4 size, Slow mode 1 [75 %] (24 ppm printer)	206
(19) Timing chart No. 9 Paper cassette, A4 size, Slow mode 2 [50 %] (24 ppm printer)	207
(20) Timing chart No. 10 MP tray, Transparency (24 ppm printer)	208
(21) Wiring diagram (16 ppm printer)	209
(22) Wiring diagram (24 ppm printer)	211
(23) Repetitive defects gauge	213

Kyocera FS C5030N Service Manual - Page 174

Turns ON/OFF the AC power source., Toner ID sensor

Page 174 highlights