Sharp FO-47IF manuals

Sharp FO-47IF Service Manual (198 pages)

Brand: Sharp | Category: Fax machines | Size: 6.95 MB |

English

Table of contents

OPTION:PAPER CASSETTE

1

SERVICE MANUAL

1

FACSIMILE

1

CONTENTS

2

[1] Specifications

3

27 28 29 30 31 32

4

39383736353433

4

[3] Transmittable documents

6

[4] Installation

7

3. Assembly and connections

9

4.Loading Printing Paper

10

5. Clearing a jammed document

11

cassette

13

Transmitting documents

14

CHAPTER 2. ADJUSTMENTS

15

MEMORY CLEAR

16

EXECUTE ? 1 = YES , 2 = NO

16

1) Soft switch mode

17

2) Print area

17

3) ROM & RAM check

17

Switch number selection

17

After setup of the document

18

Only the sensor which is

18

SPEED key SXXX XXX

19

: Speed key number

19

2-2. Print diagnosis

20

• Blank paper aging mode

21

4. Soft switch description

24

• Soft switch

24

[3] Troubleshooting

49

[4] Error code table

50

CHAPTER 3

51

MECHANICAL DESCRIPTION

51

[2] Printer description

52

8. LASER EXPOSURE

55

9. DEVELOPMENT

55

9-1. Overview

55

Printer PWB (PWB-A)

56

12. PRINT SEQUENCE

57

13. Timing chart

58

13-1. Print Starting

58

13-2. Print Ending

58

Rear cabinet

60

Shield plate, Right cabinet

61

Printer PWB unit

62

Power supply PWB unit

67

Scanner frame unit (1/2)

68

Scanner frame unit (2/2)

69

Document guide upper unit

70

Operation panel unit

70

Upper cover

71

Wire treatment

72

Fusing unit

73

Print head unit

75

Cord holder

75

Printer motor

77

2nd. drive unit

79

2nd. top plate

80

2nd. bottom plate

82

Cassette unit (1/2)

84

Cassette unit (2/2)

85

Cassette case

86

CHAPTER 4. DIAGRAMS

87

POWER SUPPLY

88

CONTROL PWB

88

PRINTER PWB

88

[1] Circuit description

91

(2) Image memory block

94

(3) Modem block

94

1) Mechanical control block

95

(8) Gate array (B) block

99

FO-4700U

100

(9) CODEC block

101

(10) Page memory block

104

(11) Driver block

105

(Option : FO-47IF)

111

Modem block 1 3/16

114

Modem block 2 4/16

115

Reading block 5/16

116

Gate array (B) block 8/16

119

Codec block 9/16

120

Page memory block 10/16

121

Selector block 12/16

123

Other block 13/16

124

Connector block 1 14/16

125

Connector block 2 15/16

126

Jbig block 16/16

127

[2] LIU PWB circuit 1/1

130

LIU PWB parts layout

131

Power supply PWB parts layout

137

High voltage PWB parts layout

141

Toner empty PWB parts layout

142

[1] Protocol

145

[2] Power on sequence

146

CHAPTER 8. OTHERS

147

2. Description

148

For inspection

151

(TOP VIEW)

153

8 7 5 8 B

154

PRINTER PWB UNIT

155

16 15 14 13 12 11 10 9

158

1 2 3 4 5 6 7 8

158

1C 2C 3C 4C 5C 6C 7C COM

158

1B 2B 3B 4B 5B 6B 7B E

158

PARTS GUIDE

159

I n d e x

191

© 1999 BY SHARP CORPORATION

198

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