Aiwa NSX-AJ20 manuals

Aiwa NSX-AJ20 Service Manual (298 pages)

Brand: Aiwa | Category: Multifunctionals | Size: 12.25 MB |

English

Table of contents

Published in Oct.’00

1

842AV110

1

Double-pole/neutral fusing

2

Safety precautions

3

1. Installation Precautions

5

3. Miscellaneous

7

CONTENTS

8

1-6 Assembly and Disassembly

10

2-1 Mechanical construction

11

2-2 Electrical Parts Layout

11

2-3 Operation of the PCBs

11

2-4 Appendixes

11

1-1-1 Specifications

12

‡ﬁ ) ^& @ ! 0 9 8 6 5 1

18

1-1-3 Machine cross section

19

1-1-4 Drive system

20

As viewed from machine rear

21

1-2-1 Drum

22

1-2-2 Developer and toner

22

(1) Installation procedure

24

Light source unit 1 pins

25

Light source unit 2 pin

25

Original detection switch

28

Front cursor

29

Rear cursor

29

Drawer claw spacers

29

Drawer spacers

29

Fulcrum of the drawer lift

29

Developing unit

31

12-pin connector

32

Blue screws

32

Waste toner tank

32

Toner cartridge release lever

34

Toner cartridge

34

1-3-3 Copier management

37

ISU cover

47

BVM4 × 6 screws

48

BVM4 × 4 screw

48

High temperature

48

2-pin receptacle

49

1-4-1 Maintenance mode

50

U034 U066 U071

63

U034 U067 U072

64

Description

66

DF input light luminosity

66

Setting range

66

Initial setting

66

0 to 8 1

66

011 024 015

68

001 000 000

68

004 004 000

68

(1) (2) (3)

71

(4) (5) (6)

71

(7) (8) (9)

71

Toner sensor control voltage

75

0 to 255 155

75

≥ 1ST TEMP

78

Maintenance cycle

86

0 to 600 100 1000 (copies)

86

0 to 200 (copies) 70

89

U053 U065 U070

112

Original Copy

113

Reference

114

1 2 3

123

4 5 6

123

7 8 9

123

U402 U403 U404

144

1-5-1 Paper misfeed detection

153

DFSW (ST) 1

155

1. Jam at power-on

156

2. Paper feed section

156

Paper size + 2000 ms

157

3. Paper conveying section

158

4. Fixing section

158

5. Eject section

159

1-5-2 Self-diagnosis

164

See page 1-5-22

169

(13)Paper creases. Causes

174

1-5-4 Electrical problems

177

1-5-5 Mechanical problems

182

Shaft handle retainer

185

Paper feed cluth

185

Cutout Stop ring

185

Stop ring

186

Upper paper feed pulleys

186

Drawer drive motor

187

Paper conveying unit

188

Connector

188

Lower left cover

188

Bypass paper feed pulley

189

Left registration roller

190

Upper bypass cover

191

(P. 1-6-36)

192

(P. 1-4-14)

192

• 15 cpm

193

Figure 1-6-19b

193

(P. 1-6-37)

195

(P. 1-4-15)

195

Center line of printing

196

Correct image Output

196

–1.5–1.5

197

Figure 1-6-22b

200

Right cover

201

Contact glass

201

Metal plate

201

Scanner wire

202

Scanner tension spring

202

Scanner motor unit

203

Frame securing tools

204

Mirror 2 Frame

204

Eject tray

206

LSU front spacer

207

LSU right spacer

207

Positioning pins

211

Correct image

212

Mirror 2 frame

213

(P. 1-6-10)

218

Scanner center line

219

(P. 1-6-15)

220

(P. 1-4-46)

220

Image formation unit

222

1-6-5 Drum section

225

Bias wire

226

Doctor blade cover

226

Doctor blade

226

Adjustment screws

226

Transfer roller assembly

227

Cleaning blade

228

M3 retainers

229

Cleaning lower seal assembly

229

1-6-9 Fixing section

230

Fixing unit thermister

231

Heat roller separation claws

231

Fixing heater

232

Press springs

234

Fixing guide plate

235

1-7-1 Replacing the main PCB

236

Upper shield

238

• Inverter PCB: VR1, VR2

241

2-1-1 Paper feed section

242

Tungsten wire

245

Main charger assembly

245

Shield grid

245

2-1-3 Optical section

247

2-1-4 Developing section

251

Cleaning spiral

258

Lower cleaning seal

258

Cleaning lamp (CL)

259

Light-blocking lumirro

259

2-1-8 Fixing section

260

2-2-1 Electrical parts layout

262

2-3-1 Power source PCB

267

2-3-2 Main PCB

270

REV:2

271

• 20 cpm copier

272

2-3-3 CCD PCB

280

2-3-4 Laser diode PCB

281

/2" × 8

284

(20 cpm copier)

291

Maintenance parts list

292

• Copier

293

• Optional drawer

295

Printed in Holland

298

Aiwa devices