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Kyocera FS 1100 Service Manual - Page 91

Mechanical Construction, 2-1-1 Paper feed/conveying Cassette paper feed

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2H5/2HS 2-1 Mechanical Construction 2-1-1 Paper feed/conveying section Paper feed/conveying section consists of the paper feed unit that feeds paper from the cassette and the MP tray paper feed unit that feeds paper from the MP tray, and the paper conveying section that conveys the fed paper to the transfer/ separation section. (1) Cassette paper feed section 10 2 3 6 8 7 1 4 11 5 9 Figure 2-1-1 Cassette paper feed section (1) Pickup roller (2) Paper feed roller (3) Feed holder (4) Retard roller (5) Retard holder (6) Retard guide (7) Bottom plate (8) Bottom pad (9) Cassette base (10) Paper sensor (11) Actuator (paper sensor) Main motor Control PWB MMOTRDYN MOTCLK REMOTEN YC305-3 YC305-4 YC305-5 Paper feed Clutch FEDDRN YC308-4 Paper sensor PAPER YC306-3 Figure 2-1-2Cassette paper feed section block diagram 2-1-1

Section	Page
Cover	1
Revision history	3
Safety precautions	5
CONTENTS	11
Specifications	13
1-1-1 Specifications	13
1-1-2 Parts names	15
(1) Overall	15
(2) Operation panel	16
1-1-3 Machine cross section	17
Installation	19
1-2-1 Installation environment	19
1-2-2 Unpacking	20
(1) Removing the tapes	21
1-2-3 Installing the expanded memory (option)	22
1-2-4 Installing the memory card (optional)	23
1-2-5 Installing the network interface card (optional)	24
Maintenance Mode	25
1-3-1 Maintenance mode	25
(1) Executing a service mode	25
Troubleshooting	37
1-4-1 Paper misfeed detection	37
(1) Paper misfeed indication	37
(2) Paper misfeed detection condition	38
1-4-2 Self-diagnostic function	39
(1) Self-diagnostic function	39
(2) Self diagnostic codes indication	40
(3) Self diagnostic codes	41
1-4-3 Image formation problems	45
(1) Completely blank printout.	46
(2) All-black printout.	46
(3) Dropouts.	47
(4) Black dots.	47
(5) Black horizontal streaks.	47
(6) Black vertical streaks.	48
(7) Unsharpness.	48
(8) Gray background.	48
(9) Dirt on the top edge or back of the paper.	49
(10) Undulated printing at the right edge (scanning start position).	49
1-4-4 Electric problems	50
1-4-5 Mechanical problems	52
Assembly and Disassembly	53
1-5-1 Precautions for assembly and disassembly	53
(1) Precautions	53
(2) Drum	53
(3) Toner container	53
(4) How to tell a genuine Kyocera Mita toner container	54
1-5-2 Outer covers	55
(1) Detaching and refitting the top cover	55
(2) Detaching and refitting the right and left covers	56
1-5-3 Paper feed section	58
(1) Detaching and refitting the paper feed assembly (paper feed roller and pickup roller)	58
(2) Detaching and refitting the retard roller assembly	60
(3) Detaching and refitting the MP paper feed roller (Duplex model only)	62
1-5-4 Developing section	63
(1) Detaching and refitting the developing unit	63
1-5-5 Drum section	64
(1) Detaching and refitting the drum unit	64
(2) Detaching and refitting the main charger unit	65
1-5-6 Transfer/separation section	66
(1) Detaching and refitting the transfer roller	66
1-5-7 Fuser section	68
(1) Detaching and refitting the fuser unit	68
(2) Switching the fuser pressure	70
1-5-8 PWBs	71
(1) Detaching and refitting the control PWB	71
(2) Detaching and refitting the power source PWB	74
(3) Detaching and refitting the operation panel PWB	76
(4) Detaching and refitting the high voltage PWB	77
1-5-9 Others	81
(1) Detaching and refitting the main motor	81
(2) Detaching and refitting the laser scanner unit	82
(3) Detaching and refitting the eraser lamp	84
(4) Direction of installing the left and right cooling fan motors	85
Firmware	87
1-6-1 Downloading firmware	87
(1) Downloading the firmware from the memory card	88
Mechanical Construction	91
2-1-1 Paper feed/conveying section	91
(1) Cassette paper feed section	91
(2) MP tray paper feed section	92
(3) Paper conveying section	94
2-1-2 Drum section	95
(1) Drum section	95
(2) Main charger unit	96
2-1-3 Expose section	97
(1) Laser scanner unit	97
2-1-4 Developing section	99
2-1-5 Transfer/separation section	100
2-1-6 Cleaning section	101
2-1-7 Fuser section	102
2-1-8 Paper exit section	104
2-1-9 Duplex/conveying section (duplex model only)	106
Electrical Parts Layout	107
2-2-1 Electrical parts layout	107
(1) PWBs	107
(2) Switches and sensors	109
(3) Other electrical components	110
Operation of the PWBs	111
2-3-1 Power source PWB	111
2-3-2 Control PWB	113
Appendixes	117
2-4-1 Appendixes	117
(1) Wiring diagram	117
(2) Repetitive defects gauge	119
(3) Self diagnostic codes indication (Animation)	120