Sharp FO-DC550 manuals

Sharp FO-DC550 User Manual (4 pages)

Brand: Sharp | Category: Print & Scan | Size: 2.60 MB |

English

Table of contents

FO-DC550

1

NERGY STAR

4

Sharp FO-DC550 Service Manual (216 pages)

Brand: Sharp | Category: Print & Scan | Size: 10.64 MB |

English

Table of contents

SERVICE MANUAL

1

FO-DC550

1

CAUTION

2

CONTENTS

4

[1] GENERAL

6

[2] SPECIFICATIONS

7

3. Copy performance

8

4. SPLC printer

9

5. Scan function

9

[3] CONSUMABLE PARTS

15

Production control

16

1. Appearance

17

2. Internal

17

4. Motors and solenoids

19

5. Sensors and switches

20

6. PWB unit

21

7. Cross sectional view

22

1. Copier installation

23

2. Cautions on handling

23

4. Unpacking

24

Pressure plate lock

25

Sharpdesk

26

Button Manager

26

[Custom installation]

27

(1) Windows XP (USB/Parallel)

27

(2) Windows 98/Me/2000 (USB)

28

C. Setting up button manager

31

(1) Windows XP

31

(2) Windows 98/Me/2000

31

(1) Connecting a USB cable

32

11. Interface

33

12. Moving

33

[6] COPY PROCESS

34

2. Outline of print process

35

3. Actual print process

35

About DC 5.2kV

36

Process controlling

37

[7] OPERATIONAL DESCRIPTIONS

38

34 6 285

39

3. Laser unit

40

4. Fuser section

40

(1) Heat roller

41

(2) Separator pawl

41

(3) Thermal control

41

(4) Fusing resistor

41

6. RSPF section

44

A. Initial state

45

B. Front copy

45

C. Back copy

45

8. Shifter

46

[8] DISASSEMBLY AND ASSEMBLY

47

2. Operation panel section

48

3. Optical section

49

C. Assembly procedure

50

CCD core

50

4. Fusing section

51

Heat roller disassembly

52

B. Disassembly procedure

59

Multi unit

59

7. Rear frame section

61

8. Power section

62

(1) Remove the rear cabinet

63

(2) Remove the RSPF

63

F. Sensor PWB

64

G. Pickup solenoid

64

H. Clutch

64

(1) Remove the clutch unit

64

(2) Remove the clutch

65

(1) Remove the pickup unit

65

J. Transport unit removal

65

K. Belt 1

66

L. Belt 2

66

M. SPF motor

66

N. Solenoid

66

O. Clutch

66

(1) Remove the parts

67

(2) Remove the parts

68

S. Paper exit roller

68

T. Solenoid

69

(1) Remove the reverse gate

69

(2) Remove the solenoid

69

[9] ADJUSTMENTS

70

B. Image position adjustment

71

(1) Lead edge adjustment

71

B4 or 8 1/2″ × 14″ paper

72

A4 size rear edge

72

Scale image

72

Paper rear edge

72

White paper

73

Test chart

73

3. High voltage adjustment

74

4. Duplex adjustment

74

is shown above

75

Void position to be check

75

6cm or more is required

76

2. Key rule

78

3. List of test commands

78

Image loss, R = 4mm

102

Chart back surface

106

6. Soft switch list

116

7. Soft switch descriptions

135

8. Trouble codes

144

9. Communication error codes

147

<Error codes 1>

148

<Error codes 2>

148

[11] MAINTENANCE

149

[12] USER PROGRAM

150

B. Print mode

151

C. FAX mode

151

[13] ELECTRICAL SECTION

154

2. Circuit descriptions

155

(4) Reset circuit

160

ASIC/CPU

161

Tonner Motor Driver

162

TD62064AF

163

(10) OPE PWB

164

(11) Carriage Unit

164

(1) Noise filter circuit

164

Voltage waveform

165

[14] CIRCUIT DIAGRAM

166

Serial EE-PROM

167

MCU PWB (ASIC section)

168

MCU PWB (Memory section)

170

MCU PWB (Driver section 1)

172

MCU PWB (Driver section 2)

174

MCU PWB (Driver section 3)

176

MCU PWB (IMC2 section 1/2)

180

MCU PWB (Connector section 1)

184

To Operational PWB

185

To Mirror motor

185

MCU PWB (Connector section 3)

186

To 2nd. cassette

187

MCU PWB (Modem I/F Connector)

189

MCU PWB (Scanner I/F section)

190

2. OPERATION PWB

191

To MCU PWB

193

To Drum Initial Detector

193

To FAX Key PWB

193

POWER SUPPLY (120V/127V)

194

4. FAX MAIN PWB

196

FAX MAIN PWB (SPEAKER) 2/6

197

FAX MAIN PWB (MN195006Q) 4/6

199

FAX MAIN PWB (MCU I/F) 6/6

201

5. FAX OPERATION

202

(1) MCU SECTION (1/3)

203

(2) RSPF/SPF SECTION (2/3)

204

[15] FIRMWARE DOWNLOAD

206

PROCEDURES

206

5. Installing procedures

210

LEAD-FREE SOLDER

214

CAUTION FOR BATTERY DISPOSAL

215

Trademark acknowledgements

216

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