Sharp FO 4400 - B/W Laser - All-in-One manuals

Owner’s manuals and user’s guides for Print & Scan Sharp FO 4400 - B/W Laser - All-in-One.
We providing 2 pdf manuals Sharp FO 4400 - B/W Laser - All-in-One for download free by document types: User Manual, Service Manual


Table of contents

SERVICE MANUAL

1

FACSIMILE

1

CONTENTS

2

[1] Specifications

4

[2] Life of consumable

4

[3] Operation panel

5

[4] Transmittable documents

6

[5] Installation

7

Attach a letter or

9

SPEED DIAL

14

CHAPTER 2. ADJUSTMENTS

15

MEMORY CLEAR ?

16

S W 0 1 = 0 0 0 0 0 0 0 0

17

Soft switch mode screen

17

PANEL CHECK MODE

18

ALL KEY OK !!

18

: Speed dial number

19

HHHHHHHHHHHHHHHHHHHH

20

• Blank paper aging mode

21

4. Soft switch description

24

• Soft switch

24

[3] Troubleshooting

49

[4] Error code table

50

2. Service call error massage

51

Super G3 mode

51

[1] Mechanical description

53

[2] Printer description

54

8. LASER EXPOSURE

57

9. DEVELOPMENT

57

9-1. Overview

57

Temperature (°C)

58

12. PRINT SEQUENCE

59

13. Timing chart

60

13-1. Print Starting

60

13-2. Print Ending

60

2 Rear cabinet

62

PWB plate, Right cabinet

63

4 PWB unit

64

Inner left cabinet unit

67

9 Power supply PWB

68

Scanner frame unit (1/2)

69

Scanner frame unit (2/2)

70

Document guide upper unit

71

Operation panel unit

71

13 Upper cover

72

Wire treatment

73

High voltage PWB unit (HV1)

74

Main motor (M1)

75

Fusing unit (1/2)

77

Heater Lamp

78

Voltage Mark

78

Paper cassette (FO-CS1)

79

Cassette case unit

80

Drive system unit (FO-CS1)

81

Cassette cabinet (FO-CS1)

82

Cassette case (1/2) (FO-CS1)

83

Cassette case (2/2) (FO-CS1)

84

(FO-45VS)

85

CHAPTER 4. DIAGRAMS

87

[1] Circuit description

91

FO-4400U

100

(3) Modem block

101

(2) Backup memory block

101

0 I1 Output Current

104

E) = IOUT

104

E) = IOUT x 2/3

104

E) = IOUT x 1/3

104

2. Waveforms

105

CPU block

110

MAIN CPU

111

HD6417706F133

111

Main ASIC block

112

IC5 SDRAM

113

MT48LC4M16A2TG-75/

113

W986416DH-7

113

Sub ASIC block

114

R284 10K

115

Memory block 4/12

116

Modem block 5/12

117

LCD controller block 7/12

119

Connector block 1 9/12

121

Connector block 2 10/12

122

Connector block 3 11/12

123

Connector block 4 12/12

124

[2] LIU PWB circuit 1/1

127

M38079EFFS_12MHZ

130

Printer PWB circuit 2/2

131

HEATER ON

134

HEATER-RELAY OFF

134

INTERLOCK

134

Power Supply PWB parts layout

135

Joint PWB

138

No. DESCRIPTION PARTS CODE

139

C LED PWB unit DCEKP425CXHI1

139

[1] G3 Protocol

144

[2] Super G3 Protocol

145

[3] Power On Sequence

146

CHAPTER 8. OTHERS

147

Fig. 5 Connected cable

149

FO-4400 PC

150

PARTS GUIDE

151

[5] Document guide upper unit

156

[4] Operation panel unit

156

[10] Drive/Transfer unit

162

PARTS CODE

163

DESCRIPTION

163

I n d e x

183

© 2002 BY SHARP CORPORATION

190





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