Ricoh 7650 Service Manual

COPIER ELECTRICAL COMPONENT LAYOUT

.

38

35

34

11

155

33

32

31

66 67

1

55

– 39

48

90

107

108

/

/ 109

123

97

9

100

101 102

103 104 105 106

152

I

83 ‘

//1147

L11

LIO

\

L7

/

L6

/L12

114

111

112

113

124

1

126

Rev. 9/15/96

Svmbol DescrirMion Index No. P-to-P

Motors

Ml

—

M2 Exhaust Fan 43 M3 lMain M4 lDeveioDment Drive M5 By-pass Feed 46 H9 M6 3rd M7

Scanner Drive

42

44

I I 45 I G9

Scanner Drive 47 Pll S29

lToner Bottle Drive

48

I

M’ Charge Wire Cleaner Drive 49

M9

M1O

Mll Lens Vertical Drive

Jogger Lens Horizontal Drive

50 51 Mll 52 Mll

P9 L9

19

I

H9

I

01 Q6

53 Nll

M13 Fusing/Duplex Drive 54 H9 S36 2nd Lift 76

90

I

M15

M16

M17 Toner Collection M18 13rd Lift (4 Trav version onlv) M19 lSide Fence Drive (Tandem version onlv) M20 Rear Fence Drive (Tandem version only) M21 LCT Motor (1 ,500 Tray version only)

M22

M23

M24 Duplex Cooling Fan M25 M26 14th Lift (4 Trav version onlv)

M27 \S.cannerDrive Cooling Fan (70 CPMversion onty) I 155 N2

* (A: 60/70 CPM, B: 50/51 CPM)

]1st Lift

2nd

Lift

91 A5 92 A5 93 94

t

I 95 I E3

96 E2

127

AC Drive Cooling Fan (60/70 CPM version onlv)

Optic Cooling Fan-2 (60/70 CPM version only)

/Drum Caolina Fan (70 CPM version onlv) I 144

I

141

142

●143A, B

151

I

M2

I I A5

E8

E7 A5

A2

L9

N2

K2

IAaanetic Clutches

MC1

.-

MC2 MC3 MC4 lDuciex TransDort MC5 Duplex Feed

MC6 1st Feed MC7 12nd Feed MC8 MC9

Toner Supply Registration

BV-DaSS Feed

60 L9

I 64 I (26

65 99

I 101 I A8

3rd Feed 104 4th Feed (4 Tray version

Ot?lY)

152

57 G9 58 M9

Q5 A9

A9 A8

jwitches

Swl IBv-Dass Table SW2 SW3 1st Trav Set (Non-Tandem version onlv) SW4 12nd PaDer Size SW5 lToner Overflow SW6 Toner Collection Bottle Set

SW7 Lower Front Door Safetv

SW8 3rd Tray Set (4 Tray version only)

SW9 Main Swlo Swl 1

)olenoids

Front Door Safety

lTrav Down (1500 Trav version onlv) I 126

Trav Set (4 Trav version onlv)

14th

SOL1 Junction Gate

SOL2 Duplex Positioning

SOL3 By-pass Pick-up SOL4

SOL5 Transfer Belt Positioning SOL6 Pressure Arm SOL7 SOL8 ]1st Pick-up

SOL9

SOL1O 2nd pick-uD

Guide Plate 59 M9

lTandem Lack

1st

Separation Roller

SOLI 1 12nd Sec)aration Roller

SOL12 SOL13 SOL14 4th Pick-up (4 Tray version only)

SOL15

3rd Pick-up 3rd Separation Roller

4th Separation Roller (4 Tray version only)

1

I 25 I M9

29 66 A5

I 67 I

F1O

A6

I 75 I A3

77 A3 83 84 A6

122

149

I

55

56 Q6

61

62 63 Q6

E8

Hll

A2

I

A6

I

K2

L9

Q2

I 97 I /46

98 All

I

100 102 AlO

AlO

I 103 I A9

105 A7 106 A9 153 A7

154 A8

I

Svmbol

S23

S24 IRegistration S25 S26 S27 Drum Potential 39 S28

I

lToner Densitv

Toner Near End 30 M9 Auto-Response 34 J9

IImaae Densitv

]1st Paper End

S30 1st Paper Near End 69 631 1st S32 S33 1st Lift S34 2nd Paper End S35 ]Toner Collection Motor

S37 S38 \3rd PaDer Near End (4 Trav version onlv) I S39 3rd Paper End S40 S41 2nd Paper Feed S42

S43

S44

S45

S46

S47 S48 Tray Down (1 ,500 Tray version only) S49 S50

S51 S52 S53 14th S54 14th PaDer Feed (4 Trav version onlv) /

PaDer Feed 70 AlO

12nd PaDer Near End

3rd Lift 78 A8M14 lPaDer Feed

3rd PaDer Feed

Base Plate Down (Tandem version only) Side Fence Positioning

(Tandem

Rear Fence Return (Tandem version only)

Rear Fence HP (Tandem version only) 88 Left Tandem Paper End

(Tandem version LCT Near End (1 ,500 Tray version only)

Tray Paper Set (1,500 Tray version only) 125 AZ -

lSide Fence Close (Tandem version onlv) I

4th Lift (4 Tray version only) 145 A7 4th Paper Near End (4 Tray version only) 146 A4

PaDer End [4 Trav version onlv)

~CBs

PCB1 IAC Drive 108 110 PCB2 PCB3 PCB4 PCB5 PCB6 DC Power Supply Unit 113 PCB7 Guidance 120 K9 PCB8

L1 L2 IFusina L3 L4 L5 lPre-transfer

IMain

10c4icControl

IDevelopment Bias Control

Paper Feed Control 112

moderation Panel

lExDosure

Quenching Erase

‘ower Packs

PP1

PP2

Transfer 117

lCharae

)thers

TS 1

—

TF1

TH 1 TH2

TH3

H1 H2 10dics Anti-Condensation

NF1 CB1

—T---

I

Cbtics Thermoswitch

I

IFusinq Thermofuse

IFusma Thermistor 10rMics Thermwtor

Drum Thermistor (Located on the ID Sensor Ass’y)

lTransfer Anti-Condensation

INoise Filter

lCircuit Breaker

LAl ILightening Arrestor 118

Description

version only)

onlv)

I Index No. \ P-to-P

27

I

28

I

I I

‘8-—u–

71

I

+H-+”

74

I

——

79

–t--::- -+---::

-----+-”-::--”t---_:;

-——

“+~

86 E2

87 El

89

I

123 124 A3

150

147 I

I

148

109

I

110

I

111

I

121

I

18

I

32

I

40

I

—

119

I

19

I

33

I

24

I I 36 I L12

41

I

31

I

I 35 I Gll

115

I

116

I

Q5

I

L9

I

M2

N2

A5

+--

A4

I

A3M12 Optic Cooling Fan

I

AlO

+

A4

I

—

7

——

I

A7 A8

I

L1O

I

P4

I

C5

E1O

K9

I

J12

I

K12

I

I 02

Q3 P4

I

Jll

I

Jll

I

K12

I

N12

I

I Gll

I C12 I C12

Ell

E2 ‘-

El

A2

E3

17

‘1-------- -

.-

A

—

;ensors

S1 S2 Platen Cover Position-1 S3

S4 S5

S6 3rd Scanner HP

S7 By-Pass Paper End 7 K9 S8 Guide Plate Position

S9 lJoaaer HP

Slo Iverlical TransDort 10

Sll

S12 Duplex Transport S13 Duplex Paper End S14 S15 I Exit S16 Fusing Exit 16 S17 Paper Guide 17 S18 Auto Imaqe Density S19 S20

1

S21 10riainal Width S22

\Scanner HP

Platen Cover Position-2

ILens Vertical HP

I

-----t

I

Lens Horizontal HP 5

I

Duplex Exit

Duplex Entrance

I

10riainal Lenqth- 2 10riainal Lenath- 1

I I

I 23 I Nll

IBy-Pass Paper Size

1 L11 2 L11 3 Qll 4

L11

I

Pll

6

8 9

11 12 A7 13 14 15

20 N11 21 22

26

QI 1

M9 Q7

I

K9

I

Q7

Q7 K2 K2

I

I 011

Q5

I

L2 L2

Svmbol I Name

Sensors

LS1 IPaDer End LS2 LS3 Paper Posdlon L4 LS4 Tray Down LS5 Feed LS6

Paper Near End

Lift

Switches

LSW1 LSW2 LCT Cover L7 K2 LSW3

Feed Unit Cover

Tray Down

Motors

LM1 ILCT LM2

Feed

others

LSOL1

LMC1

IPick-utI

]Feed L12 J2

I Index No. I P-to-P

1 L2

— ————

+

.rm2 —-.

I-3 HZ

‘G2 L6 L9

“0 +--

L1 12 -

L8

I L5 r J2-

L13

L;- J2

12 12

H2

J2