Panasonic KX-FB423CN Manual Download Page 393

Page: 393 / 415

Ref.

No.

Part No.

Part Name & Description

Remarks

PFDG1245Z

GEAR

POM-HB

PFDE1173Z

ARM, SWING

POM-HB

PFDG1244Z

GEAR

POM-HB

PFDG1243Z

GEAR

POM-HB

XUC2FY

RETAINING RING

100

PFUS1342Y

SPRING

101

PFDR1029Z

ROLLER, FEED PINCH

102

PFUS1349Z

COIL SPRING

103

PFHR1290Z

CHASSIS, HINGE

POM-HB

12.1.4. UPPER PRINTER COVER / PAPER

TRAY SECTION

Ref.

No.

Part No.

Part Name & Description

Remarks

121

PFYCFB421M

COVER, SCANNER GLASS ASS´Y

PS-HB

122

Not used

123

PFHR1343Y

ARM, CORNER FLAP (LEFT)

POM-HB

124

PFHR1344Y

ARM, CORNER FLAP (RIGHT)

POM-HB

125

PFKE1025W1

TRAY, PAPER CASSETTE

PS-HB

126

PFUS1391Z

COIL SPRING

127

PFHG1088Z

RUBBER PARTS, PICK UP

128

PFKV1070X1

COVER, CASETTE

PS-HB

129

PFKS1071Y1

TRAY, PAPER CASSETTE LEVER

PS-HB

130

PFQT2128Z

INDICATION LABEL, PAPER SET

131

N2GZBE000003

IMAGE SENSOR (CIS)

132

PFHR1293Z

SPACER, CIS

POM-HB

133

PFDC1002Z

GUIDE, CARRIAGE BASE

POM-HB

134

PFUS1415Z

COIL SPRING

135

PFJS10Q31Z

CONNECTOR, 10 PIN

136

PFJS04Q42Z

CONNECTOR, 4 PIN

137

PFLB1K002

INSULATOR

138

PFHX1566Z

COVER, FFC SHEET

139

PFJE1026Z

LEAD WIRE

140

PFDF1072Z

SHAFT, CARRIAGE

141

PFJE1025Z

LEAD WIRE

142

PFDV1001Z

FLAT BELT

143

PFNPD031054C

WASHER

144

PFDE1170Z

PULLEY, FLANGE

POM-HB

145

PFDE1168Z

PULLEY, TIMING

POM-HB

146

WLL20YB53M3M

LEAD WIRE

147

PFUV1045Z

COVER, DRIVER

PS-V0

148

PFDG1281Z

GEAR

POM-HB

149

PFMH1121Z

CHASSIS, CARRIAGE MOTOR

150

35S1S15DGNE

DC MOTOR

151

PFHX1399Z

COVER, MOTOR SHEET

152

PFJS06Q30Y

CONNECTOR, 6 PIN

153

PFUV1046Z

COVER, DRIVER

PS-V0

154

PQLB1E1

INSULATOR

155

PFHX1589Z

SPACER, CARRIAGE CIS SHEET

156

Not Used

157

PFDE1169Z

PULLEY, TENSION

POM-HB

158

PFMH1104Z

METAL PARTS, TENSION PULLEY

159

PFUS1345Z

COIL SPRING

160

PFKM1101Y1

CABINET BODY

PS-HB

12.1.5. LOWER PRINTER COVER

SECTION

Ref.

No.

Part No.

Part Name & Description

Remarks

181

PFDF1083Z

SHAFT, RIBBON GUIDE

182

PFDR1012Z

ROLLER, SUPPORT

POM-HB

183

PFUS1394Z

COIL SPRING

184

PFUG1013Y

COVER, EXIT GUIDE

PS-HB

185

PFHR1342Z

ARM

PS-HB

186

PFHR1341Z

ARM

PS-HB

187

PFDN1058Z

ROLLER, PICK UP

188

PFDE1187Z

GUIDE, DELAY

POM-HB

189

PFDG1276Z

GEAR

POM-HB

190

PFHX1577Z

COVER, PROTECTION CORE SHEET

PET-UL

191

PFUS1390Z

COIL SPRING

Ref.

No.

Part No.

Part Name & Description

Remarks

192

PFHX1246Z

COVER, SCREW

193

PFHX1539Z

COVER, PROTECTION TONER SHEET PET-UL

194

PFMH1105Z

METAL PARTS, PIVOT DOOR LOCK

195

PFHX1585Z

COVER, PROTECTION LOCK SHEET

PET-UL

196

PFHR1345Y1

KNOB, STOPPER

ABS-HB

197

PFQT1959Z

INDICATION

LABEL,

CARRIAGE

STOPPER

198

PFJS08Q41Z

CONNECTOR, 8 PIN

199

PFBX1174Y1

PUSH BUTTON, COPY KEY

ABS-HB

200

PFBX1176X1

PUSH BUTTON, NAVIGATOR KEY

ABS-HB

201

PFBX1175Z1

PUSH BUTTON, DIAL KEY

ABS-HB

202

PFGP1215W

PANEL, LCD

203

PFGV1013Z

TRANSPARENT PLATE

204

PFGD1048X

CARD, TEL

205

PFGX1013Y

ORNAMENT, COPY KEY

206

PFGX1014Y

ORNAMENT, FAX KEY

207

PFGX1015Y

ORNAMENT, STOP KEY

208

PFGG1176VI

GRILLE, OPERATION PANEL

PS-HB

209

PFHP1117Z

PAPER, CARRIAGE STOPPER SHEET

12.1.6. PAPER PASS SECTION

Ref.

No.

Part No.

Part Name & Description

Remarks

221

PFUG1014W

COVER, PAPER GUIDE

PS-HB

222

PFDJ1062Y

SPACER, PLATEN SUPPORT

POM-HB

223

PFDJ1061Z

SPACER, PLATEN SUPPORT

POM-HB

224

PFDN1057Z

ROLLER, PLATEN

225

PFDN1059Z

ROLLER, EXIT

226

PFDG1277Z

GEAR

POM-HB

227

PFUA1039V

CHASSIS, RECORDING PAPER PASS PS-HB

228

PFUS1393Z

COIL SPRING

229

PFDE1185Y

LEVER, P. TOP

POM-HB

230

PFDG1280Z

GEAR

POM-HB

231

PFDG1275Z

GEAR

POM-HB

232

PFDG1274Z

GEAR

POM-HB

233

PFUS1410Z

COIL SPRING

234

PFHR1346Y

ARM, GEAR

POM-HB

235

PFDG1159Z

GEAR

236

PFDG1270Z

GEAR

POM-HB

237

PFDG1268Z

GEAR

POM-HB

238

PFDG1272Z

GEAR

POM-HB

239

PFDG1269Z

GEAR

POM-HB

240

PFDG1279Y

GEAR

POM-HB

241

PFDG1154Z

GEAR

242

PFUS1231Y

COIL SPRING

243

PFDG1271Z

GEAR

POM-HB

244

PFDX1032Z

GEAR, TORQUE LIMITTER

245

PFUV1053X

COVER, GEAR BLOCK

PS-HB

246

PFDG1273Z

GEAR

POM-HB

12.1.7. UPPER MAIN CABINET SECTION

Ref.

No.

Part No.

Part Name & Description

Remarks

261

PFJHS026Z

PRINTER UNITS, THERMAL HEAD

262

PFHR1338Y

GUIDE, HOLDER (LEFT)

POM-HB

263

PFHR1339Y

GUIDE, HOLDER (RIGHT)

POM-HB

264

PFQT1916Z

INDICATION LABEL, INK FILM

265

PFHX1580Z

SPACER, SUPPLY BAR SHEET

266

PFHX1579Z

SPACER, SUPPLY BAR SHEET

267

PFDF1083Z

SHAFT, RIBBON GUIDE

268

PFUS1388X

COIL SPRING

269

PFQT1958W

INDICATION LABEL, BLUE GEAR

270

PFKM1066Z1

CABINET BODY, HANDSET CRADLE

PS-HB

271

PFBH1015Z1

PUSH BUTTON, HOOK

ABS-HB

272

PFUS1402Z

COIL SPRING

273

PFKF1047Y2

CABINET, HANDSET CRADLE

PS-HB

274

PFHX1615Z

SPACER,SHAFT SHEET (LONG)

275

PFJS11Q69Y

CONNECTOR, 11 PIN

276

PFQT1944Z

INDICATION LABEL, OPEN

277

PFKM1100V1

CABINET BODY, BASE

PS-V0

278

PFMH1120Y

COVER, DOOR LOCK

182

KX-FB423CN

Summary of Contents for KX-FB423CN

Page 1: ...松下通信系统设备株式会社版权所有未经授权的复制和传播是违法的 ORDER NO KMF0401758C3 平台普通纸传真机 KX FB423CN 警告本维修资料只是为有维修经验的技术人员设计的不适用于一般人员使用资料中未对非专业人员试图维修产品所潜在的危险加以警告或提示电气产品只应该由有经验的专业技术人员进行维修任何其他人试图用此维修手册对本产品进行维护或修理都可能导致产品的严重损坏或人员伤亡 ...

Page 2: ...料数据 159 8 1 IC 的晶体管和二极管的终端指南 159 8 2 如何更换扁平插件 IC 160 8 3 数字板部分 162 8 4 调制解调器部分 164 8 5 NCU 部分 170 8 6 ITS 综合电话系统和监听器部分 172 8 7 测试图表 174 9 夹具和工具 176 10 机壳机械零件和电气元件位置 177 10 1 综合部分 177 10 2 上部 ADF 部分 178 10 3 传送块部分 179 10 4 下部 ADF 部分 180 10 5 上部打印机盖和载纸盘部分 181 10 6 下部打印机盖部分 182 10 7 记录纸通过部分 183 10 8 上部主机壳部分 184 10 9 下部主机壳部分 185 10 10 螺丝和垫圈的实际尺寸 186 11 附件和包装材料 187 12 更换零件表 188 12 1 机壳和电气元件 188 12 2 ...

Page 3: ...慎注意 PbF焊料的熔点比Pb焊料高30 40 请使用带有温度控制的烙铁并将其温度调到370 10 如果使用高温烙铁则请小心加热时间不要过长如果 PbF 焊料的加热温度过多地超过其熔点大约 600 则焊料可能会溅开如果必须在用PbF焊料制造的印刷电路板上使用Pb焊料则须尽可能将原来的PbF焊料去除干净并且在施用Pb焊料之前务必将所有的残余焊料熔开在将 PbF 焊料施用到双层电路板时请检查元件一侧看是否有过多的焊料流到另一侧见下图 1 1 1 建议的 PbF 焊料在市场上可购买数种 PbF 焊料本产品系使用锡银和铜 Sn Ag Cu 制造而成但是您也可以使用锡和铜 Sn Cu 或锡锌和铋 Sn Zn Bi 请查看制造厂商的具体指示了解其产品的熔点以及将其他材料用于其产品时的注意事项在维修本产品时建议使用下列规格的无铅 PbF 焊线 0 3mm 0...

Page 4: ... 38 1 128 X502 NMI AD15 AD13 MFCS C534 8 14 RA513 1 E E E E E E EYEXY EYECLK EYESYNC J502 L554 C572 R577 C562 76 C603 C679 R704 R703 R702 R600 Q511 C535 C624 Q508 R573 R570 L549 C600 R565 R766 C549 R574 L548 C568 R572 C573 R576 C567 C577 C569 C566 C575 L551 R699 R700 A R701 R582 R567 R571 L552 6 R763 Q533 J501 R544 R734 R558 L533 Q525 C628 D5 Q50 R Q526 Q532 R561 L519 C550 C558 R709 R708 C664 L516...

Page 5: ...根跨接线使插头的两个插脚短路 2 接通电源开关 3 用欧姆表测量跨接的 AC 插头和每个外露金属机壳部分例如螺丝头控制轴底架等之间的电阻值注某些外露的部件按设计可能与机壳绝缘这些电阻值读数将无穷大 4 如果测量值超出规定的范围则可能有电击的危险 1 5 对维修技师的说明 IC 和 LSI 易受静电损坏在维修时以下预防措施将有助于防止再发生故障 1 用铝箔将塑料部件的盒子盖好 2 使烙铁接地 3 在桌台上铺上导电的垫子 4 勿用裸手指抓握 IC 或 LSI 1 6 电池注意事项注意若电池更换不当则有发生爆裂的危险只能用厂家推荐的同样的或相等型号的电池更换请按厂家的指示处理用过的电池锂电池是关键部件型号 CR2032 更换和放入电池时请注意其极性和正确位置建议使用的型号 CR2032 BAT501 松下索尼东芝或日立制造 ...

Page 6: ...6 KX FB423CN 1 7 交流电注意事项为安全起见在关上下机壳之前请检查以下预防措施 1 用螺丝固定接地线 2 正确连接 AC 连接器 3 将接地线在芯线上缠绕 3 次 4 将 AC 线在芯线上缠绕 3 次 ...

Page 7: ...1 8 1 机器的运动部分小心别让您的头发衣服手指装饰品等卷入本机的任何运动部分本机的运动部分有滚筒和一个齿轮有一个由文件输送马达转动的分离滚筒和一个文件输送滚筒一个齿轮转动这两个滚筒小心勿用手触摸它们尤其在本机工作时 1 8 2 通电部分本机的全部电气部分均由通电的 AC 电源线提供 AC 电源切勿拆卸维修插入 AC 电源的本机注意事项给电源装置的初级侧提供 AC 电压因此在拆卸本机进行维修前始终应拔掉 AC 电源线 ...

Page 8: ...8 KX FB423CN 1 9 维修预防措施 1 9 1 防止损坏静电的预防措施电荷积累在人身上例如衣服摩擦可以破坏电分子或者改变其电的特性为了防止静电对人体的伤害用工具接触接地的金属部件以便释放静电切勿接触电源部分如电源装置等 ...

Page 9: ...传真寻呼呼叫快速扫描清晰度标准精细半色调 64 级超精细带查询拨号和组键的广播 100 页纸的容量区别铃声检测如果进行记忆传送则 8 秒速度基于 ITU T1 号测试图需要申请区别铃声服务由 DRAM 完成的大记忆容量约 28 页记忆接收约 25 页记忆传送综合电话系统挂机拨号监听扬声器语音静音重拨功能带旋转查询拨号单触拨号键的 106 台分机电话号码簿呼叫方可以来电显示该功能需要某所在地区的电话公司提供签约呼叫识别服务收费您和您的呼叫方必须位于能够提供呼叫识别服务的地区双方电话公司必须使用对应的设备该功能在本机与 PBX 系统连接时无效强化的复印机功能多张复印多达 99 页放大和缩小核对 64 级半色调 ...

Page 10: ...8 mm 记录纸尺寸 A4 210 297 mm 有效打印宽度 208 mm 传送时间 1 约 8 秒页原始方式 2 扫描密度水平 8 像素 mm 垂直 3 85 线 mm 标准方式 7 7 线 mm 精细半色调方式 15 4 线 mm 超精细方式半色调级 64 级扫描器型式接触图像传感器 CIS 打印机型式感热转移于普通纸数据压缩系统改进的霍夫曼方式 MH 改进的 READ MR 改进又改进的 READ MMR 调制解调器速度 14 400 12 000 9 600 7 200 4 800 2 400bps 自动降速操作环境温度 5 35 C 相对湿度 20 80 尺寸约高 210 mm 宽 472 mm 深 446 mm 重量约 7 4 kg 耗电量待机约 5 0 W 传送约 18 W 接收约 35 W 当接收 20 黑色文件时复印约 60 W ...

Page 11: ...3 安装 3 1 控制位置 3 1 1 正视图 1 文稿引导板 2 文稿出口 3 ADF 自动送纸器盖 4 记录纸出口 5 记录纸支架可能未在所有的插图中标出记录纸支架 6 记录纸入口 7 载纸盘 8 拉力板 9 文稿入口 10 文稿盖 11 打印机盖 12 打印机盖开盖钮注释可能未在所有的插图中标出记录纸支架 3 1 2 后视图 1 电源引入口 2 电话线插口 3 外接电话插口 4 ADF 自动送纸器缆线 5 扬声器 ...

Page 12: ...码在拨号中插入暂停 5 话筒闭音在通话过程中使对方听不到您的声音再次按此按钮可以继续通话 6 单触键使用单触拨号向多站点传送 7 复印开始开始复印 8 清晰度选择打印质量 9 接收方式更改接收方式 10 NAVIGATOR 音量调节音量查找存储的名称在编程时选择功能或功能设定转到下一个操作 11 音频当您的线路具有转盘脉冲服务时在拨号中可暂时将脉冲改为音频 12 挂断使用特殊的电话服务或转移分机呼叫等 13 监听在不拿起话筒的情况下拨号 14 帮助打印快速指南 15 下一组对于单触拨号选择 4 6 组 16 停止停止操作或取消编程 17 传真开始设定开始发送或接收传真在编程时存储设定 ...

Page 13: ...13 KX FB423CN 3 2 连接 1 连接话筒线 2 连接电话线 3 连接电源线注意当您操作本机时应使电源插座靠近本机并且易于插接注释为避免发生故障请勿将传真机置于电视机或扬声器等会产生强磁场的电器附近如果同一条线路上连接了任何其他设备本机可能会干扰设备的网络状况当打开电源后显示屏中显示下面的信息时打开运输锁 ...

Page 14: ... 3 3 1 安装空间安装本机所需的空间表示如下规定尺寸对本机的有效操作很有必要注释避免过热或过湿在以下温度和湿度范围内使用本机环境温度 5 至 35 相对温度 20 至 80 无冷凝物电源线长度应短于 5 米使用更长的电源线会降低电压或引起故障避免阳光照射不要安装在有磁铁或产生磁场的装置附近不要使本机承受强烈的物理冲击或振荡保持本机清洁灰尘堆积可能使本机功能不正常为了保护本机不受损坏当您移动它时应抓住两端 ...

Page 15: ...15 KX FB423CN 3 3 2 记录纸支架和载纸盘 1 记录纸支架将记录纸支架上的插槽对准本机底部的凸钉然后滑动直到凸钉和插槽固定好为止记录纸支架大约可以装载 100 页打印的纸张请在打印的纸张堆满支架前取下它们 2 载纸盘将载纸盘插入本机背面的插槽注释请勿将本机放在载纸盘可能受阻的地方如靠近墙壁等记录纸将从本机的前面排出请勿在本机前面放置任何东西 ...

Page 16: ...均可装入本机可装载 100 页 75 g m2 纸张您可以使用 60 g m2 至 90 g m2 纸张关于纸张规格请参阅纸张规格 1 翻松整叠的纸张以免纸张卡住 2 向前推拉力板并且在装纸时使其一直打开不应使纸张超越薄片如果未正确插入纸张应重新调整纸张否则可能会卡纸添加纸张 1 向前推拉力板并且在取出已装入的纸张时使其一直打开 2 将新增纸张与取下的纸张放在一起并将它们对齐 3 翻松整叠的纸张 4 向前推拉力板并且在装纸时使其一直打开 ...

Page 17: ...送发送以下类型的文稿使用扫描仪玻璃传送传真碳或无碳复写纸等化学处理纸带有静电的纸张严重卷曲褶皱或撕破的纸张表面带有涂膜的纸张 3 3 4 2 使用扫描仪玻璃扫描仪玻璃上的有效扫描区域会根据纸张尺寸设定而发生变化 6 4 2 编程方式表 P 65 上的特点 16 自动送纸器和扫描仪玻璃注意事项检查墨水浆糊或涂改液是否已经干了请勿发送发送以下类型的文稿使用复印件传送传真图像模糊的纸张从正面可以看到反面打印的文字的纸张如报纸若要传送宽度小于标准 A4 尺寸 210 mm 的文稿我们建议您使用扫描仪玻璃传送文稿 ...

Page 18: ...0 个字符示例 BILL 1 按 2 两次光标将出现在显示屏中 2 按 4 三次 3 按 5 三次 4 按将光标移至下一空格然后按 5 三次 5 按设定下一个功能将显示出来 6 按目录注释您可以在步骤 4 中按或来输入抬头在此情况下按移动光标改变大写或小写字母按键可以交替改变为大写或小写字母 1 按 2 两次 2 按 4 三次 3 按 4 按 5 三次纠正错误按或将光标移至错误的字符然后改正删除字符按或将光标移至您想要删除的字符处然后按停止插入字符 1 按或将光标移至您想插入字符的位置的右边 2 按话筒闭音插入空格并输入字符 ...

Page 19: ...19 KX FB423CN 3 3 6 用拨号键盘选择字符按拨号键可以选择如下所示的字符用或选择字符您可以使用或选择字符而不用拨号键 1 反复按或直到显示出需要的字符 2 按将光标移至下一个空格显示的字符被插入 3 回到步骤 1 以输入下一个字符字符的显示顺序 ...

Page 20: ... 印字薄膜安装更换安装随机附带的印字薄膜或用新薄膜替换旧的印字薄膜替换薄膜型号 KX FA67E 打印大约 375 页 A4 尺寸的纸张参考 2 3 任选附件 P 10 1 仅用于更换如果排出的纸张堆叠在记录纸支架上请取走它 2 按下打印机盖开盖钮 1 打开打印机盖 2 如果是第一次安装随机附带的印字薄膜请转到步骤 5 3 仅用于更换拉出蓝色齿轮件取下旧印字薄膜取下旧芯 4 仅用于更换从新印字薄膜上取下制动塞和垫片 ...

Page 21: ...21 KX FB423CN 注释可以用手触摸印字薄膜不会像复写纸那样粘到手上 5 将前印字薄膜辊蓝芯的齿轮件插入本机的左插槽 1 插入后印字薄膜辊 2 6 按箭头所示方向转动蓝芯齿轮件确保印字薄膜至少在蓝芯上缠绕一圈 7 同时按下打印机盖的两端直到完全到位关好打印机盖 ...

Page 22: ...备如有必要应擦干净任何被弄脏的部件 2 检查故障查找故障并考虑故障发生的原因如果设备还能使用则应进行复印自测或通信试验 3 检查设备进行复印自测和通信试验以便确定故障是否发生在传送部分接收部分或电话线上 4 确定原因通过故障检修确定设备故障的原因 5 设备修理修理或更换有毛病的部件并在此阶段采取适当措施以保证不再出现故障 6 确认设备是否工作正常在完成修理后应进行复印自测和通信试验以便确认设备是否工作正常 7 保留维修记录记录排除故障所采取的措施以备将来参考 4 1 2 维修检查项目元件位置 ...

Page 23: ...P 26 5 零件异常磨损和破裂或丢失更换零件检查全部部件上的螺丝是否上紧编号项目擦拭周期更换周期工序 1 ADF 分离滚筒参考号 83 ３个月７年 100 000 份文件参考 5 2 10 如何卸下输送滚筒和分离滚筒 P 43 2 输送滚筒参考号 82 ３个月７年 100 000 份文件参考 5 2 10 如何卸下输送滚筒和分离滚筒 P 43 3 ADF 分离橡胶参考号 43 ３个月７年 100 000 份文件参考 5 2 11 如何卸下顶盖和传送块 P 44 4 驱动滚筒参考号 35 ３个月７年 100 000 份文件参考 5 2 13 如何卸下 ADF 出口滚筒和驱动滚筒 P 45 5 ADF 出口滚筒参考号 32 ３个月７年 100 000 份文件参考 5 2 13 如何卸下 ADF 出口滚筒和驱动滚筒 P 45 6 拾...

Page 24: ...24 KX FB423CN 4 2 打印与纸张退出方式摆齿轮 A 啮合齿轮 C 并将其力传递给退出滚筒齿轮摆齿轮 B 啮合齿轮 D 并将其力传递给压纸滚筒齿轮 4 3 纸张拾取与纸张退出方式摆齿轮 B 啮合齿轮 E 并将其力传递给退出滚筒齿轮摆齿轮 A 啮合齿轮 F 并将其力传递给拾取滚筒齿轮 ...

Page 25: ...5 KX FB423CN 4 4 扫描仪 ADF 文稿传送 ADF 文稿纸端通过文稿供给滚筒被传送到分离滚筒和分离垫之间的接触点然后文稿分离并被供给到这里文稿传送滚筒传送文稿 CIS 通过玻璃读出文稿文稿沿着引导滚筒倒转回来然后通过排纸滚筒排出文稿传送扫描仪玻璃被 CIS 支座支撑的 CIS 由调速同步带沿着轴状的传送滚轮传送到开始读出的位置然后透过玻璃读出文稿再返回到初始位置 ...

Page 26: ...清洁白平板和扫描仪玻璃如果在记录纸原稿或对方收到的传真文稿上出现黑白线或污迹请清洁白平板和扫描仪玻璃 4 5 2 送纸滚筒如果频繁发生原稿送入错误请清洁送纸滚筒 1 打开文稿盖用干的软布清洁白平板和扫描仪玻璃在文稿盖上放置白页如果清洁时白页与文稿盖分离请将白页固定物向上放在扫描仪玻璃上并使白页上边缘对准本机上的标记然后关上文稿盖 2 关上文稿盖 1 抬起并一直打开 ADF 盖 3 关上 ADF 盖 2 用干的软布清洁送纸滚筒 ...

Page 27: ...3 热敏头和辊轴如果在复印或接收的文稿上出现污迹或黑白条应检查热敏头和辊轴上是否有灰尘然后清除热敏头和辊轴上的灰尘 1 如果排出的纸张堆叠在记录纸支架上请取走它 2 断开电源线和电话线 3 按下打印机盖开盖钮 1 打开打印机盖 2 4 取出印字薄膜然后使用蘸有异丙基外用酒精的布清洁热敏头然后让其完全干燥更换印字薄膜注意为防止因静电而导致工作不正常不要使用干布也不要直接接触热敏头 5 按箭头所示方向转动蓝芯齿轮件 ...

Page 28: ...28 KX FB423CN 确保印字薄膜至少在蓝芯上缠绕一圈 6 抬起两个锁扣 1 压下出口引导板松开两个锁扣 2 然后打开出口引导板 3 7 使用蘸有异丙基外用酒精的布清洁辊轴然后让其完全干燥 8 关闭出口引导板 9 同时按下打印机盖的两端直到完全到位关好打印机盖 10 连接电源线和电话线 ...

Page 29: ...29 KX FB423CN 4 6 记录纸卡纸当记录纸在本机中卡住时显示屏中将显示下面的信息 1 如果排出的纸张堆叠在记录纸支架上请取走它 2 按下打印机盖开盖钮 1 打开打印机盖 2 3 向您自己的方向拉纸以取出卡住的纸张当记录纸在滚筒下卡住时当记录纸卡住并缠绕在滚筒上时 ...

Page 30: ...30 KX FB423CN 当记录纸在出口引导板附近卡住时 4 按箭头所示方向转动蓝芯齿轮件确保印字薄膜至少在蓝芯上缠绕一圈 5 同时按下打印机盖的两端直到完全到位关好打印机盖 6 取出记录纸并将其拉直向前推拉力板并且在装纸时使其一直打开 ...

Page 31: ...31 KX FB423CN 当记录纸没有正确送入本机时显示屏中将显示下面的信息 4 7 文稿卡住发送取出记录纸并将其拉直向前推拉力板并且在装纸时使其一直打开请按设定清除此信息 1 抬起并一直打开 ADF 盖小心地取出卡住的文稿在抬起 ADF 盖之前切勿用力拉出卡住的文稿如果不能取出卡住的文稿请打开文稿盖并取出文稿然后关上文稿盖 2 关上 ADF 盖 ...

Page 32: ...32 KX FB423CN 5 拆卸说明在拆卸之前卸下印字薄膜 5 1 拆卸流程图 5 1 1 上部主机壳部分相互参考 A 1 5 2 1 如何卸下载纸盘和文稿盖 P 36 A 2 5 2 2 如何卸下打印机盖 P 37 A 3 5 2 3 如何卸下热敏头 P 38 ...

Page 33: ...33 KX FB423CN 5 1 2 下部主机壳部分相互参考 A 1 5 2 1 如何卸下载纸盘和文稿盖 P 36 A 2 5 2 2 如何卸下打印机盖 P 37 A 4 5 2 4 如何卸下底板和话筒叉簧 P 39 A 5 5 2 5 如何卸下数字板模拟板电源板芦苇 SW 传感器板及 AC 插座 P 40 A 6 5 2 6 如何卸下压纸滚筒锁杆和扬声器 P 41 ...

Page 34: ...参考 A 1 5 2 1 如何卸下载纸盘和文稿盖 P 36 B 1 5 2 7 如何卸下白板 P 42 B 2 5 2 8 如何卸下文稿引导板 P 42 B 3 5 2 9 如何卸下 ADF 继电器板 P 43 B 4 5 2 10 如何卸下输送滚筒和分离滚筒 P 43 B 5 5 2 11 如何卸下顶盖和传送块 P 44 B 6 5 2 12 如何卸下 ADF 马达和 PF 传感器板 P 45 B 7 5 2 13 如何卸下 ADF 出口滚筒和驱动滚筒 P 45 ...

Page 35: ...和文稿盖 P 36 A 2 5 2 2 如何卸下打印机盖 P 37 C 1 5 2 14 如何卸下拾取滚筒 P 46 C 2 5 2 15 如何卸下退出滚筒和压纸滚筒 P 47 C 3 5 2 16 如何卸下操作板 P 48 C 4 5 2 17 如何卸下扫描仪玻璃装置 CIS 和载纸盘块 P 49 C 5 5 2 18 如何卸下 CIS 继电器板和 CIS 传感器板 P 50 C 6 5 2 19 如何卸下托架马达和扫描马达驱动板 P 50 C 7 5 2 20 如何卸下载纸盘块的组件 P 51 ...

Page 36: ...36 KX FB423CN 5 2 拆卸工序 5 2 1 如何卸下载纸盘和文稿盖 ...

Page 37: ...37 KX FB423CN 5 2 2 如何卸下打印机盖 ...

Page 38: ...38 KX FB423CN 5 2 3 如何卸下热敏头 ...

Page 39: ...39 KX FB423CN 5 2 4 如何卸下底板和话筒叉簧 ...

Page 40: ...40 KX FB423CN 5 2 5 如何卸下数字板模拟板电源板芦苇 SW 传感器板及 AC 插座 ...

Page 41: ...41 KX FB423CN 5 2 6 如何卸下压纸滚筒锁杆和扬声器 ...

Page 42: ...42 KX FB423CN 5 2 7 如何卸下白板 5 2 8 如何卸下文稿引导板 ...

Page 43: ...43 KX FB423CN 5 2 9 如何卸下 ADF 继电器板 5 2 10 如何卸下输送滚筒和分离滚筒 ...

Page 44: ...44 KX FB423CN 5 2 11 如何卸下顶盖和传送块 ...

Page 45: ...45 KX FB423CN 5 2 12 如何卸下 ADF 马达和 PF 传感器板 5 2 13 如何卸下 ADF 出口滚筒和驱动滚筒 ...

Page 46: ...46 KX FB423CN 5 2 14 如何卸下拾取滚筒 ...

Page 47: ...47 KX FB423CN 5 2 15 如何卸下退出滚筒和压纸滚筒 ...

Page 48: ...48 KX FB423CN 5 2 16 如何卸下操作板 ...

Page 49: ...49 KX FB423CN 5 2 17 如何卸下扫描仪玻璃装置 CIS 和载纸盘块 ...

Page 50: ...50 KX FB423CN 5 2 18 如何卸下 CIS 继电器板和 CIS 传感器板 5 2 19 如何卸下托架马达和扫描马达驱动板 ...

Page 51: ...51 KX FB423CN 5 2 20 如何卸下载纸盘块的组件 ...

Page 52: ...52 KX FB423CN 5 3 装配注意事项 ...

Page 53: ...53 KX FB423CN 5 4 引线的安装位置 ...

Page 54: ...54 KX FB423CN ...

Page 55: ...55 KX FB423CN ...

Page 56: ...录纸或者本机的记录纸已用完安装纸张然后按设定以清除该信息记录纸没有正确送入本机重新安装纸张然后按设定以清除该信息参考 3 3 3 记录纸 P 16 记录纸卡在记录纸入口附近清除卡住的纸张然后按设定以清除该信息不要安装折叠或严重卷曲的纸张参考4 6 记录纸卡纸 P 29 ADF 盖被打开了请关好盖打印机盖被打开了请关好盖在导航电话簿中已经没有空间可以存储新项目消除不需要的项目本机的存储器中存有文稿参阅其它显示信息说明以将文稿打印出来由于记录纸不够或记录纸卡住等原因存储器中已存满了收到的文稿安装纸张或清除卡住的纸参考 4 6 记录纸卡纸 P 29 当进行存储器传送时正在存储的文稿超过了本机的存储器容量请手动传送整个文稿薄膜用完了用新薄膜更换旧薄膜参考3 3 7 印字薄膜安装更换 P 20 印字薄膜松弛拉紧它然后再...

Page 57: ... 7 印字薄膜安装更换 P 20 印字薄膜松弛拉紧印字薄膜参考3 3 7 印字薄膜安装更换 P 20 传真机放在会产生强磁场的家电如电视机或扬声器旁边记录纸被卡住清除被卡住的纸如果印出件卡塞请参考 4 6 记录纸卡纸 P 29 本机正在检查印字薄膜是否松弛请等待检查完毕对方的传真机不提供查询功能检查对方的情况对方的传真机占线或记录纸用完请再试一次文稿被卡住清除卡住的文稿参考 4 7 文稿卡住发送 P 31 另一方法是切断维修代码 559 以便装送比600mm长的文件参考 6 2 3 维修功能表 P 59 发生了传送错误请再试一次本机太热让机器冷却下来 ...

Page 58: ...和维修人员之间的通信更为方便 6 2 1 操作编程功能有两个基本种类即用户方式和维修方式维修方式进一步细分为正常程序和特殊程序正常程序是在操作说明中所列出的用户能够使用的程序特殊程序是只在此列出但不对用户显示的程序在用户与维修两个方式中有设定功能的测试功能设定功能用来给各种特性和功能编制程序而测试功能用于测试各种功能设定功能通过输入其代码改变适当值然后按 SET 键进行存取测试功能通过输入其代码并按菜单上所列的键进行存取当编制程序时要取消任何输入请按 STOP 键 6 2 2 操作流程 ...

Page 59: ...的中断 571 ITS 自动重拨次数设定 X 次 00 14 03 选择 ITS 重拨次数不包括首次拨号 572 ITS 自动重拨线路断接时间设定 X 秒 001 999 065 设定 ITS 重拨间隔 573 遥控接通振铃数设定 X 振铃数 01 99 10 在 TEL 方式时开始接收文件前设定本机的振铃次数 590 FAX 自动重拨时间设定 X 次 00 14 03 选择在 FAX 通信过程中本机重拨的次数不含首次拨号 591 FAX 自动重拨时间断接时间设定 X 秒 001 999 065 设定在 FAX 通信过程中 FAX 重拨的间隔 592 CNG 传送选择 1 OFF 2 ALL 3 AUTO 1 3 2 让您选择 FAX 传送过程中的 CNG 输出 ALL CNG 在相位 A 输出 AUTO CNG 只在进行自动拨号时输出 OFF CNG 不在相位 A 输出参...

Page 60: ...5 sec 2 60 sec 1 2 1 在 FAX 传送过程中当对方应答需要更多时间时设定较高值 774 T4 定时器 X 100 msec 00 99 00 在线路上出现延迟和通信如移动通信不畅时使用此功能 815 传感器和语音检查见 6 3 测试功能 P 61 845 设定扫描密度 00 20 08 852 打印测试图见 6 3 测试功能 P 61 853 顶边 1 9 5 874 DTMFontime 060 200ms 060 200 090 875 DTMFofftime 060 200ms 060 200 085 880 存档表见 6 4 5 存档打印表举例 P 69 881 日志表 2 见 6 5 7 3 打印举例 P 96 882 日志表 3 见 6 5 7 3 打印举例 P 96 代码功能设定值有效范围缺省值备注 ...

Page 61: ...7 操作板上方的所有 LED 点亮 START LCD CHECK 维修方式 5 5 8 检查 LCD 指示点亮所有点检查它们是否正常 START DTMF SINGLE TEST 维修方式 5 5 2 输出 DTMF 单音频用于检查各 DTMF 音的频率参考 6 3 1 DTMF 单音频传送选择 P 62 1 ON 2 OFF KEY CHECK 维修方式 5 6 1 检查键操作情况按下键时 LCD 上显示键的代码参考 6 3 2 键代码表 P 62 START 任何键 FACTORY SET 维修方式 5 5 0 清除用户能存储数据的存储器 START PRINT TEST PATTERN 维修方式 8 5 2 打印测试图主要在工厂用于测试打印质量您可选择１４参见 6 3 3 打印测试图 P 63 START SENSOR CHECK VOX CHECK 维修方式 ...

Page 62: ...4 941 8 1633 高 Hz 1209 1336 1477 低 Hz 697 1 2 3 770 4 5 6 852 7 8 9 941 0 代码键名代码键名代码键名代码键名 02 RESOLUTION 31 1 3B 64 STATION 1 04 FAX START SET 32 2 3C 65 STATION 2 05 LOWER 33 3 3D REDIAL PAUSE 66 STATION 3 06 COPY 34 4 3E FLASH 08 MONITOR 35 5 47 PRINT REPORT 0A MUTE 36 6 4E 0C RECEIVE MODE 37 7 1E NEXT 20 MENU 38 8 1F PREV 22 HELP 39 9 25 VOLUME 3A 0 00 NO INPUT 26 VOLUME 01 STOP ...

Page 63: ...63 KX FB423CN 6 3 3 打印测试图 1 压纸滚筒 2 左边顶边 3 热敏头１小点 4 使用此测试图以确认印字薄膜和压纸滚筒定时的转矩限制器 ...

Page 64: ...程方式表 P 65 用于完成此项工作的功能就是遥控编程首先为了检查维修编码参数的现状可从客户的传真机上打印出设置表代码 991 和维修表代码 999 在此基础上可以改变所需代码的参数在 6 4 1 进入遥控编程方式并改变维修代码 P 64 上介绍了修改和列出参数的工序另外在退出编程方式前最好获得一张新表以确认是否正确地进行了各项修改提示在遥控编程方式期间因为连接的电话在使用最好要求客户把电话切换为扬声器电话这样在进行参数设定时就不必要求客户守在传真机旁在完成设定时通知客户还要注意在噪声大而听不到ＤＴＭＦ音频的地方遥控编程不起作用 6 4 1 进入遥控编程方式并改变维修代码相互参考 6 4 2 编程方式表 P 65 ...

Page 65: ...lect 1 0km 2 1 8km 3 3 6km 4 7 2km 1 8km OK 524 Transmission equalizer select 1 0km 2 1 8km 3 3 6km 4 7 2km 0km OK 550 Memory clear NG 551 ROM check NG 552 DTMF signal tone test 1 ON 2 OFF OFF OK 553 Monitor on FAX communication 1 OFF 2 Phase B 3 ALL OFF OK 554 Modem test NG 555 Scanner test NG 556 Motor test NG 558 LCD test NG 559 Document jam detection 1 ON 2 OFF ON OK 561 Key test NG 570 Break ...

Page 66: ...nt test pattern NG 853 Top margin 1 9 5 OK 874 DTMF ON time 060 200msec 90 OK 875 DTMF OFF time 060 200msec 85 OK 880 History list 1 Start NG 881 Journal 2 NG 882 Journal 3 NG 991 Setup list 1 Start OK 994 Journal list 1 Start OK 995 Journal 2 list 1 Start OK 996 Journal 3 list 1 Start OK 998 History list 1 Start OK 999 Service list 1 Start OK 代码功能设定值缺省值遥控设定 ...

Page 67: ...67 KX FB423CN 6 4 3 用户方式下表是本机打印的系统调配表的例子注以上值是缺省值 ...

Page 68: ...68 KX FB423CN 6 4 4 维修方式设定打印表举例注以上值均为缺省值 ...

Page 69: ...69 KX FB423CN 6 4 5 存档打印表举例注见此报告的以下说明项目号 1 46 相应于 6 4 5 1 存档报告说明 P 70 中所列的项目 ...

Page 70: ...应答传真方式设定的时间总和 17 最终接收方式用户最终设定的接收方式 18 音频脉冲选择最近使用的设定音频或脉冲 19 接收缩减接收时的压缩率 20 设定电话薄的号码记录的分机电话簿单触式拨号 21 复印数量复印的页数 22 接收数量接收的页数 23 发送数量发送的页数 24 29 未使用 30 打印报警表数量打印到现在的报警表数量 31 打印帮助数量打印到现在的帮助表数量 32 传真接收中分开打印数量自购机以来被分成多张的传真接收数量 33 35 未使用 36 传真方式指本机以传真方式接收传真信息 37 人工接收指本机通过人工操作接收传真信息 38 顺利接收指本机通过顺利信号检测接收传真信息 39 VOX 指本机检测静音或无语音 40 RMT DTMF 指本机检测遥控输入的 DTMF 遥控传真启动代码 41 PAL DTMF 指本机检测由并联电话输入的...

Page 71: ...块板损坏了例如数字 PCB 模拟 PCB 等来自客户或经销商的申诉可能对同样的问题使用不同的说法因为他们既不是技师又不是工程师运用您的经验根据客户的申诉测试故障区而且来自顾客或经销商的反馈经常有一个申诉单为此需要确定故障用 6 5 3 1 简单检查表 P 72 来测试本机疑难问题可能难以确定因此要反复测试 6 5 2 开始故障检修确定症状和故障检修方法相互参考 6 1 用户可修复的故障 P 56 6 5 3 故障项目表 P 72 6 5 3 1 简单检查表 P 72 6 5 7 5 检查数字板的状况 P 107 6 5 8 初始化错误 P 108 6 5 15 电源板部分 P 121 ...

Page 72: ...资料歪斜 P 85 接收的传真资料歪斜见 6 5 5 4 接收的传真资料歪斜 P 85 记录或复印的资料被扩大见 6 5 5 5 接收或复印的资料被扩大 P 86 出现复印黑或白垂直线见 6 5 5 6 复印出现出黑或白色垂直线 P 86 复印出一个异常图文见 6 5 5 7 复制出异常图像 P 87 通信 FAX TEL 模拟板不能用传真通信显示故障代码见 6 5 6 通信部分 P 88 不能谈话 DTMF 音频不工作话筒监听器不工作等见 6 5 9 模拟板部分 P 110 操作板键不被接收见 6 5 10 操作板部分 P 112 传感器如果是电路的原因将显示与传感器对应的故障信息见 6 5 11 传感器部分 P 113 序列号日期功能判断参考传真操作传送 OK NG 接收 OK NG 复印操作 ADF 复印 OK NG 平板复印 OK NG ...

Page 73: ...送 6 5 4 1 记录纸不输送我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中的图 b 文件并使用它相互参考 a 10 5 上部打印机盖和载纸盘部分 P 181 3 3 3 记录纸 P 16 5 2 14 如何卸下拾取滚筒 P 46 6 3 测试功能 P 61 6 5 7 5 检查数字板的状况 P 107 6 5 8 初始化错误 P 108 6 5 11 传感器部分 P 113 6 5 12 马达部分 P 116 ...

Page 74: ...74 KX FB423CN 6 5 4 2 纸张卡塞相互参考 4 2 打印与纸张退出方式 P 24 4 3 纸张拾取与纸张退出方式 P 24 5 拆卸说明 P 32 6 3 测试功能 P 61 6 5 11 传感器部分 P 113 7 6 传感器和开关 P 145 ...

Page 75: ...互参考 5 2 14 如何卸下拾取滚筒 P 46 10 5 上部打印机盖和载纸盘部分 P 181 6 5 4 4 发送的传真资料歪斜我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中的图 b 文件并使用它相互参考 6 5 5 2 歪斜 P 84 6 5 4 5 接收的传真资料歪斜我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中的图 b 文件并使用它相互参考 6 5 4 3 多张输送和歪斜 P 75 ...

Page 76: ...76 KX FB423CN 6 5 4 6 接收或复印的资料被扩大我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中的图 b 文件并使用它相互参考 5 2 10 如何卸下输送滚筒和分离滚筒 P 43 ...

Page 77: ...77 KX FB423CN 6 5 4 7 复印出一页空白纸我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中的图 b 文件并使用它相互参考 5 2 3 如何卸下热敏头 P 38 6 3 测试功能 P 61 6 5 4 8 接收到一页空白纸 P 79 6 5 14 热敏头部分 P 120 ...

Page 78: ...78 KX FB423CN 图 C ...

Page 79: ...79 KX FB423CN 6 5 4 8 接收到一页空白纸相互参考 6 3 测试功能 P 61 6 5 4 7 复印出一页空白纸 P 77 6 5 9 模拟板部分 P 110 6 5 4 9 黑或白垂直线我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中图 b 文件并使用它相互参考 4 5 3 热敏头和辊轴 P 27 5 2 3 如何卸下热敏头 P 38 ...

Page 80: ...80 KX FB423CN 6 5 4 10 黑或白横线我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中的图 b 文件并使用它相互参考 5 2 14 如何卸下拾取滚筒 P 46 6 3 测试功能 P 61 6 5 4 7 复印出一页空白纸 P 77 6 5 7 5 检查数字板的状况 P 107 6 5 8 初始化错误 P 108 ...

Page 81: ...81 KX FB423CN 6 5 4 11 打印出一个异常图文我们建议复印 6 5 5 1 不输送文件文稿卡纸和文稿多张输送 P 82 中的图 b 文件并使用它相互参考 5 2 3 如何卸下热敏头 P 38 6 3 测试功能 P 61 6 5 9 模拟板部分 P 110 ...

Page 82: ...82 KX FB423CN 6 5 5 ADF 文件自动输送部分 6 5 5 1 不输送文件文稿卡纸和文稿多张输送相互参考 6 5 11 传感器部分 P 113 ...

Page 83: ...83 KX FB423CN 相互参考 6 5 12 马达部分 P 116 ...

Page 84: ...84 KX FB423CN 6 5 5 2 歪斜 6 5 5 2 1 ADF 文件自动输送 ...

Page 85: ...85 KX FB423CN 6 5 5 2 2 扫描仪玻璃 6 5 5 3 发送的传真资料歪斜相互参考 6 5 5 2 歪斜 P 84 6 5 5 4 接收的传真资料歪斜相互参考 6 5 4 3 多张输送和歪斜 P 75 ...

Page 86: ...86 KX FB423CN 6 5 5 5 接收或复印的资料被扩大 6 5 5 6 复印出现出黑或白色垂直线 ...

Page 87: ...87 KX FB423CN 6 5 5 7 复制出异常图像相互参考 4 5 1 清洁白平板和扫描仪玻璃 P 26 5 2 17 如何卸下扫描仪玻璃装置 CIS 和载纸盘块 P 49 5 2 19 如何卸下托架马达和扫描马达驱动板 P 50 6 5 13 CIS 接触式图像传感器部分 P 119 ...

Page 88: ...时好时坏本机能复印文件故障检修维修线路问题或接收方传真机有问题参考 6 5 6 1 2 有时出现传送故障 P 90 3 传真接收时好时坏本机能复印文件故障检修维修线路问题或发送方传真机有问题参考 6 5 6 1 3 接收故障 P 91 4 传真机完全不能发送或接收本机能复印文件故障检修电路问题参考 6 5 6 1 4 本机能复印但不能传送接收 P 92 5 在打长途电话或国际长途电话时传真机既不能发送也不能接收本机能复印文件可能原因的详细说明类似于 2 3 的故障检修项目维修线路问题 6 在打长途或国际长途电话期间传送或接收的传真图文质量差 7 1 5 各故障代码的故障检修工序将在通信结果报告上打印出来参考 6 5 7 4 如何输出日报表 P 98 ...

Page 89: ...89 KX FB423CN 6 5 6 1 传真故障部分 6 5 6 1 1 传送故障相互参考 6 5 5 ADF 文件自动输送部分 P 82 6 5 10 操作板部分 P 112 ...

Page 90: ...90 KX FB423CN 6 5 6 1 2 有时出现传送故障注 596 Transmit level set 表示维修代码参考 6 2 3 维修功能表 P 59 ...

Page 91: ...象的原因然而当传真机切换到记忆接收方式和记忆容量装满不打印的资料时由于有关软件问题例如 OUT OF PAPER 可能发生某些故障在这种情况下 LCD 上显示错误信息 MEMORY FULL 及主要原因例如 LCD 上会显示 CHECK PAPER 您一旦解决了主要问题 MEMORY FULL 将被取消而接收问题将会得到解决指出故障原因的 LCD 显示信息列出如下 CHECK PAPER COVER OPEN UNIT OVERHEATED COVER OPEN etc 使本机复位 PAPER JAMMED CHECK FILM 关于以上各项请参考 6 1 用户可修复的故障 P 56 另外如果实际上出现硬件畸形请检查每个传感器参考 6 3 测试功能 P 61 ...

Page 92: ...92 KX FB423CN 6 5 6 1 4 本机能复印但不能传送接收相互参考 6 3 测试功能 P 61 6 5 9 模拟板部分 P 110 ...

Page 93: ...日报表日报表 2 和日报表 3 的遥控打印功能参考 6 4 2 编程方式表 P 65 日报表仅向您提供通信的基本信息但其他两个日报表提供有关同一项目通信的不同信息如何阅读日报表例 1 请看日报表 01 号如果您想了解有关该项目的详情参看日报表 2 和日报表 3 中的 01 号您就能获得以下信息方式传真发送接收方式电话传送速度 9 6 kbps 清晰度标准编码 MH 制造商代码 79 2 请看日报表 2 中的 04 号 CNG 0003 表示本机自购买日起已三次收到 CNG 信号欲知更详细情况请参阅 6 5 7 1 日报表 2 P 94 和 6 5 7 2 日报表 3 P 95 ...

Page 94: ...了现有选择圆括号中的值表示触发器已用了多少次例如 0003 指 3 次 5 故障存储器指本机在存储器中接收传真的信息的原因如果您看 6 5 7 3 打印举例 P 96 中的日报表 2 中 11 号它表示由于 PAPER OUT 传真信息被接收在存储器里 NO RESPONSE DISAPPEARED ON JOURNAL NO RESPONSE DISAPPEARED ON JOURNAL 显示因无应答而中断地约最后 10 次通信的信息其中一些因无应答而中断的通信不在日报表上显示当传真传送因对方的机器被设定到 TEL 方式而不能进行时将打印出无应答编号显示功能 1 FAX MODE 指本机在传真方式中接收传真信息 2 MAN RCV 批本机通过人工操作接收传真信息 3 RMT DTMF 指本机检测遥控输入的 DTMF 遥控传真启动代码 4 PAL DT...

Page 95: ...7 2 日报表 3 参考 6 5 7 3 打印举例 P 96 中的日报表 3 说明 6 ENCODE 编码压缩代码 MH MR MMR 7 MSLT MSLT 指最短扫描线时间仅在工厂使用 8 EQM EQM 指目视质量监控仅在工厂使用 9 ERROR LINE RX 当接收传真时出现故障这表示故障线数 10 MAKER CODE 这表示对方传真机品牌的两位数代码 0E KX 型 00 未知 79 UF 型 19 Xerox 型 ...

Page 96: ...96 KX FB423CN 6 5 7 3 打印举例 ...

Page 97: ...97 KX FB423CN ...

Page 98: ...NICATION ERROR RCV 在 FTT 传送后无应答 6 48 COMMUNICATION ERROR RCV 无留言信息 7 49 COMMUNICATION ERROR RCV RTN 被传送 8 50 COMMUNICATION ERROR RCV PIN 被传送到 PRI Q 8 51 COMMUNICATION ERROR RCV PIN 被传送 8 52 OTHER FAX NOT RESPONDING RCV 当 T1TMER 终止时接收被停止 9 54 ERROR NOT YOUR UNIT RCV 在 DIS 传送后 DCN 被接收 11 58 COMMUNICATION ERROR RCV 在 FTT 传送后 DCN 被接收 13 59 ERROR NOT YOUR UNIT SND DCN 应答留言信息 14 64 COMMUNICATION ERROR...

Page 99: ...99 KX FB423CN 对策 ...

Page 100: ...100 KX FB423CN 相互参考 6 3 测试功能 P 61 ...

Page 101: ...101 KX FB423CN 相互参考 6 3 测试功能 P 61 ...

Page 102: ...102 KX FB423CN 相互参考 6 3 测试功能 P 61 ...

Page 103: ...103 KX FB423CN 相互参考 6 3 测试功能 P 61 ...

Page 104: ...104 KX FB423CN ...

Page 105: ...105 KX FB423CN ...

Page 106: ...106 KX FB423CN 相互参考 6 3 测试功能 P 61 ...

Page 107: ...107 KX FB423CN 6 5 7 5 检查数字板的状况请检查测试触点 A 和 B 的状况结果会告诉您有个故障点 ...

Page 108: ...108 KX FB423CN 6 5 8 初始化错误电源接通后 ASIC 启动并检查每个 IC 检查 ROM DRAM 和调制解调器如果 IC 启动失败系统也不能启动此时请查找以下原因相互参考 6 5 7 5 检查数字板的状况 P 107 6 5 15 电源板部分 P 121 8 3 1 不正常例子 P 163 ...

Page 109: ...109 KX FB423CN 相互参考 6 5 7 5 检查数字板的状况 P 107 ...

Page 110: ...KX FB423CN 6 5 9 模拟板部分本章介绍模拟部件的测试工序待测的信号路径依目的而定例如话筒传送路径从话筒麦克风开始信号被输出到电话线上在此路径上流动的信号主要是模拟的使用一台示波器就能跟踪信号在每个路径上流动的信号如下列的检查表所示如果您发现本机的具体问题例如如果您不能用 H S 通信就可用下面的检查表跟踪当地的信号路径并给故障定位 6 5 9 1 检查表注在数字板内 ...

Page 111: ...TS 或 NCU 部分进行信号测试并且在话筒麦克风和电话线传送之间或者在电话线和话筒扬声器接收之间或者在麦克风和电话线发送之间或者在电话线和扬声器接收之间查找每一条路径上的故障点信号消失之处检查该点上的元件 6 5 9 1 检查表 P 110 会对此检查有用 2 无脉冲拨号相互参考 8 5 NCU 部分 P 170 3 无振铃音或无铃声相互参考 6 5 9 1 检查表 P 110 8 5 NCU 部分 P 170 4 无音频拨号音相互参考 6 5 9 1 检查表 P 110 ...

Page 112: ...112 KX FB423CN 6 5 9 3 有故障的 TAM 接口部分接收到传真但不能从 TAM 切换至 FAX 相互参考 6 5 9 模拟板部分 P 110 8 6 1 4 TAM 接口部分 P 173 6 5 10 操作板部分 1 无键操作 2 LCD 不显示相互参考 6 3 测试功能 P 61 ...

Page 113: ...113 KX FB423CN 6 5 11 传感器部分参考 7 6 传感器和开关 P 145 进行传感器检查以确定传感器是否操作正常 1 检查文件传感器 CHECK DOCUMENT 2 检查纸输送传感器 REMOVE DOCUMENT 3 检查叉簧 4 检查开盖开关 COVER OPEN ...

Page 114: ...114 KX FB423CN 5 检查纸传感器 OUT OF PAPER 6 检查纸传感器 PAPER JAMED 7 检查印字薄膜传感器 CHECK FILM TYPE 或 CHECK FILM SLACK 8 检查 ADF 开盖开关 9 检查 FB 盖开的启开关 ...

Page 115: ...115 KX FB423CN 10 检查 CIS 位置传感器 ADF 内侧 11 检查 CIS 位置传感器 FB 内侧 ...

Page 116: ...116 KX FB423CN 6 5 12 马达部分 6 5 12 1 RX 马达相互参考 5 2 6 如何卸下压纸滚筒锁杆和扬声器 P 41 6 5 15 电源板部分 P 121 ...

Page 117: ...117 KX FB423CN 6 5 12 2 ADF 马达相互参考 6 5 15 电源板部分 P 121 ...

Page 118: ...118 KX FB423CN 6 5 12 3 CR 马达相互参考 6 5 15 电源板部分 P 121 ...

Page 119: ...119 KX FB423CN 6 5 13 CIS 接触式图像传感器部分相互参考 6 3 测试功能 P 61 ...

Page 120: ...120 KX FB423CN 6 5 14 热敏头部分 ...

Page 121: ...源板部分 6 5 15 1 故障检修的主要元件首先检查以下部件 F101 D101 D104 C106 Q101 PC101 和 C101 这是根据我们的试验性测试的经验例如电源和照明浪涌电压测试耐压测试故意短路测试等注意如果您发现本机器中的保险丝熔断在找到和修理故障零件保险丝除外之前切勿接通电源否则保险丝会再次熔断而您也难以确认故障点在大多数情况下症状是毫无输出故障在初级侧比在次级侧的可能性大所以先检查初级侧 ...

Page 122: ...122 KX FB423CN 6 5 15 2 故障检修流程图 ...

Page 123: ...终端４的短路情况如果 D101 D102 D103 和 D104 短路 F101 就会熔断开路在此情况下更换全部零件 D101 D102 D103 D104 F101 Q101 Q101 的最严重情况是漏极和门之间的短路因为损坏会扩大到 Q101 的外围电路这是由于极高电压通过由 R128 R109 D106 和 IC101 组成的门电路致您应更换下面所列的全部零件 F101 Q101 R128 R109 D106 IC101 D201 如果 D201 损坏电源中的振荡电路不能工作请用电表检查它 ...

Page 124: ...124 KX FB423CN 7 电路操作 7 1 接线图 7 1 1 接线图 1 ...

Page 125: ...125 KX FB423CN 7 1 2 电源流程 ...

Page 126: ...CPU 和实时时钟控制操作板 I F 控制模拟 I F 和 CIS I F 2 快速 ROM IC523 包括本机操作的全部程序说明 3 动态 RAM IC503 4 读出部分 CIS 图像传感器可读出传送文件 5 马达驱动器部分驱动打印马达 6 模拟板由 ITS 电路 NCU 电路构成并且包含驱动 ADF 马达部件 7 传感器部分由机盖开启开关文件设置传感器文件顶部传感器和 CIS 位置传感器等组成 8 电源板开关部分向本机提供 5V 和 24V 电压 9 印字薄膜检测部件检测印字薄膜是否为松下制造以及报告印字薄膜的剩余量 10 热敏头包括点矩阵图像打印的加热元件 ...

Page 127: ...127 KX FB423CN ...

Page 128: ...M 24V RM 3 0 RXE 24V 5V PG DG OP RESET 24V XRESETI XORESET XRESET XBACKEN RESET IC 3 3V BATT 2 5V BATT BATT 24MHz 32 768KHz TX RX A 12 0 RBA 5 0 A 4 0 5V XRAS XCAS A 9 0 D 7 0 XRD XWR XRAS XCAS IC503 IC507 DRAM A 7 4 RBA 5 0 PTOP COVER SENSOR LED ON PS1 3 3V CN504 CN503 CN505 CN516 CN510 TM 3 0 CN515 TM 3 0 CN513 CN506 CN511 SW1 REED SW CN514 SENSER LED ON2 FILM DETECTION CIS POSITION SENSER IC525...

Page 129: ...U只需要处理结果 2 RTC 实时时钟 3 解码器给地址解码 4 ROM RAM I F 控制 ROM 或 RAM 的选择信号及存储体开关 5 CIS I F 控制文件读出 6 图像资料 RAM 此存储器被编入 ASIC 并用 8 千字节进行图像处理见图 A 7 热敏头 I F 将记录的数据传送给热敏头 8 马达 I F 控制输送文件的传送马达控制输送记录纸的接收马达 9 操作板 I F 带操作板的串行接口 10 I O PORT I O 端口接口 11 模拟装置话筒和监听器的电子音量发送嘟嘟声等图 A 注此存储器被组合到 ASIC IC501 中并用于图像处理图Ａ表示图像数据 RAM 的存储器分配图 ...

Page 130: ...T CISLED 22 IRDARXD IOP80 I 3 3V INPUT PORT DOCU 23 TXD IOP I 3 3V INPUT PORT RDPOS 24 RXD IOP O 3 3V OUTPUT PORT SENLED1 25 XRTS IOP I 3 3V INPUT PORT HOOK 26 XCTS IOP O 3 3V OUTPUT PORT SPMUTE 27 VDD 2 5V POWER SOURCE 2 5V 28 TONE1 A 3 3V TONE OUTPUT 29 TONE2 A 3 3V TONE OUTPUT 30 VOLUREF A 3 3V ANALOG REF VOLTAGE 31 VOLUOUT A 3 3V VOLUME OUTPUT 32 VOLUIN A 3 3V VOLUME INPUT 33 XNMI I 3 3V HIGH ...

Page 131: ...ADR10 O 3 3V CPU ADDRESS 10 94 ADR11 O 3 3V CPU ADDRESS 11 95 ADR12 O 3 3V CPU ADDRESS 12 96 RBA0 O 3 3V ROM RAM BANK ADDRESS 0 97 RBA1 O 3 3V ROM RAM BANK ADDRESS 1 98 RBA2 O 3 3V ROM RAM BANK ADDRESS 2 99 RBA3 O 3 3V ROM RAM BANK ADDRESS 3 100 RBA4 O 3 3V ROM RAM BANK ADDRESS 4 101 RBA5 O 3 3V ROM RAM BANK ADDRESS 5 102 RBA6 IOP96 O 3 3V A19 103 STB1 O 3 3V STROBE SIGNAL OUTPUT TO THERMAL HEAD V...

Page 132: ...ANEL CONTROL 135 KTXD O 3 3V OPERATION PANEL CONTROL 136 KRXD I 3 3V OPERATION PANEL CONTROL 137 FMEMCLK IOP O 3 3V OUTPUT PORT THON 138 FMEMDI IOP O 3 3V OUTPUT PORT LINERLY 139 ADSEL1 O 3 3V CHANNEL SELECT SIGNAL FOR AIN2 140 VDDA 2 5V 2 5V POWER SOURCE ANALOG 2 5V 141 VREFB A 3 3V A D CONVERTER S ZERO STANDARD VOLTAGE OUTPUT 142 VCL A 3 3V ANALOG PART STANDARD VOLTAGE SIGNAL 143 VREFT A 3 3V A ...

Page 133: ...路监视计时器电压检测 IC IC507 管脚 4 的输出信号复位输入到 ASIC IC501 114 管脚 1 在电源瞬间中断期间产生一个 50 70msec 的正复位脉冲并使系统完全复位 2 装在 ASIC IC501 内的监视计时器由 CPU 启动约每 1 5ms 初始化一次当监视计时器发生故障时 ASIC IC501 的管脚 115 变为低电平将 WDERR 信号的终端连接至复位线上这样 WDERR 信号就作为复位信号工作 ...

Page 134: ...C604 的管脚 F17 上的电压约 2 5V 当电源断开 3 3V 的电压降低时 RTC IC604 的管脚 F17 上的电压与电池电压大致相同 RTC 进入耗电较低的备用方式 7 3 4 模拟部分 7 3 4 1 模拟部分方框图的说明 1 功能模拟部分在电话线之间起接口作用传真信号的传送和传真信号的接收用的数字板 IC505 借助于 NCU 部分中的多工器组成在数字板 IC505 和其他部分之间切换到各模拟部分的控制信号主要从 ASIC IC501 输出各部分的状态信息也保持在 ASIC IC501 中有关各部分简单说明如下 2 电路操作 NCU 部分由响铃检测电路脉冲拨号发生电路线路发送和接收放大器电路侧音电路分机线路摘机检测电路远程传真启动电路组成参考 8 5 NCU 部分 P 170 调制解调器 IC505 用于传真信号音频调制和 DTMF 信号发送...

Page 135: ... FC2 FC1 GND VCC 3 4 1 2 7 6 5 8 SPMUTE LINEOUT LINEIN SPKRP MICP SPKRM MICM R582 R576 C573 C577 PIA 61 62 60 69 72 71 OF MREN C570 R575 C567 R573 R571 R571 R572 C568 Q508 R574 C601 R566 IC501 32 31 C579 IC511 R592 R587 R586 R584 C576 HSRXEN R593 C586 Q510 R591 HSTXMUTE C581 R583 IC511 R585 MDMTXEN TONE1EN R579 R580 C571 C572 R569 TONE1 TONE2 R600 R568 Q511 TONE2EN MODEM IC IC505 L104 L105 R137 C1...

Page 136: ...控电路功能热敏头电阻器根据温度改变电阻并使用热敏电阻器的特性 IC501 的管脚 139 的输出变成低电平然后当它变成高电平时它会触发 A 点在 C 点上根据电压输出时间以检测热敏头的温度在热敏头温度被转换成 B 中的电压后它在 IC501 内的 A D 转换器中被转换成数字数据 CPU 根据此值决定热敏头的选通脉冲宽度因此为了稳定打印密度并防止热敏头过热此电路能保持热敏头处于稳定温度相互参考 7 10 热敏头 P 155 ...

Page 137: ...触式图像传感器一个 LED 阵列及光电转换元件组成当插入一份原件时按下开始键 IC501 的管脚 21 进入高电平晶体管 Q507 接通这将电压施加至 LED 阵列上以便将它照亮接触式图像传感器由从IC501输出的各个FTG F1信号驱动而被LED阵列照亮的原图像经光电转换而输出一个模拟图像信号 SIG 将模拟图像信号输入至 AIN1 IC501 的管脚 3 上的系统 LSI 并由 IC501 内的 A D 转换器转换成 8 比特数据然后此信号经过数字处理以获得高质量图像 ...

Page 138: ...123 输出然后步进脉冲从驱动 IC IC525 管脚 18 19 15 和 14 输出驱动马达线圈其结果 0 32A 电流被供给马达线圈 7 5 1 1 同步图 1 2 相激励 2 2 相激励输出波形例 A 相驱动马达功能方式相位图速度电流记录纸输送 2 相 432pps 0 32A 精细复印 2 相 432 216pps 0 29A 0 22A 超精细复印 1 2 相 216pps 0 22A 照片复印 1 2 相 432pps 0 22A 精细接收 1 2 相 432pps 0 29A 超精细接收 1 2 相 216pps 0 22A 照片接收 1 2 相 432pps 0 29A ...

Page 139: ...139 KX FB423CN 1 1 2 相激励 2 1 2 相激励输出波形例 A 相 ...

Page 140: ...140 KX FB423CN 7 5 1 2 动力马达的驱动电路 1 电路图 ...

Page 141: ...印和 PC 扫描文稿供纸的同时进行同步读入文稿 2 马达操作在马达驱动过程中门阵列 IC520 的管脚 43 变成高电平 Q507 Q504 接通其结果 24V 电流输入马达线圈阶跃脉冲从 ASIC IC501 的管脚 125 128 129 130 输出然后向 IC102 模拟板上的管脚 1 4 输出以驱动马达线圈此马达线圈在 2 相增量中按顺序进行励磁形成 1 步旋转一个 1 步旋转可供给 0 042mm 的文稿 7 5 2 1 同步图 1 1 2 相激励 2 1 2 相激励输出波形例 A 相 ...

Page 142: ...142 KX FB423CN 7 5 2 2 ADF 自动送纸器马达驱动电路 1 电路图驱动马达功能方式相位图速度传真标准 1 2 相位 432pps 传真复印精细半色调 1 2 相位 432pps 传真复印超精细 1 2 相位 216pps 送纸 1 2 相位 432pps 待机状态相位全部关 ...

Page 143: ...PC 扫描等主要操作文稿供纸的同时进行读入文稿 2 马达操作在马达驱动过程中门阵列 IC520 的管脚 32 变成高电平 Q503 Q502 接通其结果 24V 电流输入马达线圈阶跃脉冲从 ASIC IC501 的管脚 125 128 129 130 输出然后向 IC500 的管脚 16 13 输出以驱动马达线圈此马达线圈在 2 相增量中按顺序进行励磁形成 1 步旋转一个 1 步旋转可供给 0 042mm 的文稿 7 5 3 1 同步图 1 1 2 相激励 2 1 2 相激励输出波形例 A 相 ...

Page 144: ...144 KX FB423CN 7 5 3 2 CR 滑动托架马达驱动电路 1 电路图驱动马达功能方式相位图速度传真标准 1 2 相位 432pps 传真复印精细半色调 1 2 相位 432pps 传真复印超精细 1 2 相位 216pps 不扫描 1 2 相位 432pps 待机状态相位全部关 ...

Page 145: ...脚 25 上的信号变为低电平挂机时开关断开 IC501 的管脚 25 上的信号变为高电平传感器电路位置传感器传感器或开关名称故障信息 ADF 继电器板 PS500 文稿 CHECK DOCUMENT PF 传感器板 PS501 送纸 REMOVE DOCUMENT 数字板 SW1 盖开启 COVER OPEN PS1 纸张顶部 PAPER JAM ADF 继电器板 SW501 ADF 盖开启 SW500 FB 盖开启 CIS 继电器板 PS502 CIS 位置 ADF 内部 CIS 传感器板 PS503 CIS 位置 FB 内部模拟板 SW101 叉簧薄膜检测板 SW401 薄膜检测 CHECK FILM SLACK ...

Page 146: ...E DOCUMENT 这些传感器感知检测文稿是否到位如果文稿被检测感知出来其遮蔽板就让传感器光通过光电晶体管接通 IC501 22 管脚 IC501 23 管脚的输入信号变成低电平当没有文稿时遮蔽板会遮住传感器光光敏晶体管就会断开 IC501 22 管脚 IC501 23 管脚的输入信号变成高电平文稿传感器纸送传感器光电晶体管信号 IC501 22 管脚文稿放置 OFF 高电平无文稿 ON 低电平光电晶体管信号 IC501 23 管脚非读出位置 OFF 高电平读出位置 ON 低电平 ...

Page 147: ...否在内部位置当 CIS 被发现遮蔽板会遮住传感器光光电晶体管断开 IC520 52 管脚 IC520 53 管脚的输入信号变成高电平当没有 CIS 时遮蔽板让传感器光通过光电晶体管会接通 IC520 52 管脚 IC520 53 管脚的输入信号变成低电平 ADF 内部传感器 FB 内部传感器光电晶体管信号 IC520 52 管脚内部位置 OFF 高电平非内部位置 ON 低电平光电晶体管信号 IC520 53 管脚内部位置 OFF 高电平非内部位置 ON 低电平 ...

Page 148: ...DF 盖关闭时开关接通 IC505 93 管脚的输入信号变成低电平当 ADF 盖打开时开关断开 IC505 93 管脚的输入信号变成高电平 7 6 5 FB 盖开启开关此开关检测平板是打开还是关闭当 FB 盖关闭时开关接通 IC505 95 管脚的输入信号变成低电平当 FB 盖打开时开关断开 IC505 95 管脚的输入信号变成高电平开关信号 IC505 93 管脚打开 OFF 高电平关闭 ON 低电平开关信号 IC505 95 管脚打开 OFF 高电平关闭 ON 低电平 ...

Page 149: ...输入信号变为高电平当打印机盖打开时开关断开 IC505 94 管脚的输入信号变为低电平 7 6 7 纸张顶部传感器 PAPER JAMMED 传感器检测记录纸是否退出当传感器位置没有记录纸时遮蔽板遮蔽传感器的光光电晶体管断开 IC501 19 管脚的输入信号变为高电平当记录纸达到退出传感器时遮蔽板让传感器的光通过光电晶体管接通 IC501 19 管脚的输入信号变为低电平纸张顶部传感器开关信号 IC505 94 管脚打开 OFF 高电平关闭 ON 低电平光电晶体管信号 IC501 19 管脚无纸 OFF 高电平纸退出 ON 低电平 ...

Page 150: ...BLOCK DIAGRAM GATE ARRAY IC IC301 KIN0 KIN1 KIN2 KIN3 KIN4 KIN5 KIN6 KIN7 KS0 2 SW301 1 SW306 PRINT REPORT SW311 MENU SW316 KS1 HANDSET MUTE SW302 6 SW307 5 SW312 S1 SW322 S2 SW327 S4 SW332 KS2 REDIAL SW303 3 SW308 SW313 SW318 START SW323 COPY SW328 S3 SW333 RESOLUTION SW338 KS3 4 SW304 7 SW309 NEXT SW314 VOL SW319 VOL SW324 RECEIVE MODE SW329 PREV SW334 KS4 FLASH SW305 9 SW310 8 SW315 0 SW320 MON...

Page 151: ...N 7 8 LCD 部分门阵列 IC301 只起到从数据总线 D4 D7 写入 ASCII 代码的作用 V0 为晶体驱动提供 R303 R306 和 R307 为密度控制电阻器因此在本机中定时正时钟由门阵列 IC301 中的 LCD 接口电路产生浓度显示方式用户设置 XLD15 XLD14 XLD13 2 线标准较深 H L L L 输入设定 L 大容量标准较深 H H 输入设定 L 输入设定输入设定 ...

Page 152: ...152 KX FB423CN 7 9 电源板部分此电源板采用开关切换调节器方法输入电路输入电流通过滤波器电路而进入输入整流器电路滤波器电路可降低噪声电压和噪声电场强度整流器电路输入电流用 D101 D104 整流并给 C106 充电以产生 DC 电压然后它给转换器电路提供电源跳出电压电路当 AC 电源接通 Q101 开始操作时偏压经此电路施加到 Q101 门 ...

Page 153: ...制此电源组件的控制方法是脉冲宽度调制当 O1 接通时接照 E1 在传送初级线圈中得到补充能源当 Q1 断开时能量由次级传送中输出 L D1 负载 L 然后给负载提供电源当 Q1 接通时电源不从次级侧输出根据故障放大整流器的作用输出电压在控制 IC 中反馈然后取决于 TON 如何被控产生稳定此外当电流负载过大时为了降低电压输出以表示的增益受到控制输出电压得以稳定因此基本计时为 Q1 的 Ton Toff 控制输出电压 ...

Page 154: ...电压将输出放大然后它驱动主晶体管在此电源中占空比率通过改变主晶体管的 ON 而确定现介绍如下当 24V 电路的输出电压增加时光电耦合器 PC101 的电流增加输出控制 IC 的脉冲宽度变窄 Q101 的 ON 阶段变短过载电流限制 O C L 最高漏电流 24V 受的限制器电路 IC101 的限制 24V 输出受此电路限制过载电压电路由于故障检测电路或者控制电路断路如果 24V 输出增加 IC101 就会识别此信号而输出变为 0V 假负载方法用于快速检查电源输出参考 6 5 15 电源板部分 P 121 ...

Page 155: ...IC501 的管脚 117 THLCK 上取得同步并从 IC501 的管脚 116 THDAT 传送到 IC 的移位寄存器９个 IC 的移位寄存器按顺序连接并且在 1728 点增量移位时移位寄存器装满数据闩锁脉冲从 IC501 的管脚 118 THLAT 被释放至各个 IC 用此闩锁脉冲将移位寄存器的全部内容都锁入闩锁寄存器此后通过从 IC501 管脚 103 104 增加选通脉冲只有闩锁数据中的黑点位置 1 才启动驱动器而电流通过将发射体加热以造成热量释放至此根据逐行打印的要求这两条选通脉冲 STB1 和 STB2 每隔 9 216msec 压印一次在下页上展示了此顺序此外关于选通脉冲宽度根据 IC501 管脚 4 检测热敏头内的热敏电阻值依靠该数值将选通脉冲宽度记录在快速 ROM IC502 内从而确定选通脉冲宽度当不用热敏头时 IC50...

Page 156: ...156 KX FB423CN ...

Page 157: ...157 KX FB423CN 限于 ASF 复印方式精细打印速度随文件上黑色部分的比率而变化示例第 1 条线的黑色部分为 50 或更少第 2 条线的黑色部分为 50 或更多 ...

Page 158: ...158 KX FB423CN 书籍复印 ASF 复印精细方式除外接收打印 ...

Page 159: ...159 KX FB423CN 8 基准资料数据 8 1 IC 的晶体管和二极管的终端指南 ...

Page 160: ... 或铝钎焊料 KR 19 KR 19RMA 烙铁建议电耗应在 30 至 40W 之间铜杆温度 662 50 350 10 熟练者可以使用 60 80W 的烙铁但初学者可能因过热而损坏薄片焊剂 HI115A 比重 0 863 原焊剂应每天更换 8 2 2 扁平插件 IC 拆卸工序 1 在 IC 管脚上放大量焊料使焊料将管脚全部盖上注如果 IC 管脚焊接不充分您可在用小刀切管脚时往 P C 板上施压 2 首先在 IC 及其管脚之间的接点内切些小口然后彻底切掉管脚 3 当焊料熔化时将它与 IC 管脚一起卸下当您往板上安新的 IC 时可用例如焊线之类的工具除去所有遗留在焊接区上的焊料如果在板上的接点处留有焊料就不能正确地安放新的 IC ...

Page 161: ...161 KX FB423CN 8 2 3 扁平插件 IC 安装工序 1 通过焊接 2 个做标记的管脚而暂时固定扁平插件 IC 用相应的焊箔片检查 IC 安放的精度 2 将焊剂涂在扁平插件 IC 的全部管脚上 3 按箭头方向滑动烙铁焊接各管脚 8 2 4 搭接修改工序 1 轻轻地重焊搭接部分 2 如下图所示用烙铁沿着管脚去除残留的焊料 ...

Page 162: ...了几百台试用机进行了各种试验并分析了任何故障根据过去的经验在产品安装后很少出现数字式 IC 尤其是 SRAM DRAM 和 ROM 故障这可以通过更换 IC DRAM 等来修理然而真正的原因不可能是 IC 故障而是焊接毛病一般用肉眼难以发现焊接毛病尤其是 ASIC 和 RA 电阻器阵列但如果您有一台示波器通过检查主要信号线您就容易确认故障地点或 IC 故障即使您没有这种测量仪器通过检查每条主要信号线并重新焊接它在许多情况下问题也会得到解决主要信号用于本机的说明如下什么是启动本机的主要信号请参考 7 3 1 1 数字方框图 P 128 ASIC IC501 控制全部其他数字式 IC 当接通电源时 ASIC 就检索储存在 ROM IC523 中的操作代码然后遵守控制每个 IC 的指令全部 IC 都有一些分配到某个地址的内部寄存器 ASIC...

Page 163: ...163 KX FB423CN 8 3 1 不正常例子 ...

Page 164: ... 此调制解调器 IC505 也发送 DTMF 信号产生呼叫音频从扬声器检测忙音和拨号音传真通信程序的综述 ITU T 建议 1 关于 CCITT 国际电报电话咨询委员会 ITU T 的第 14 组国际电信联盟 ITU 的４个常设机构之一对国际传真标准进行调查并提出建议 2 各组的定义第一组 G1 A4 尺寸的文件在不使用格式的情况下降低在电话线上传送信号的频带宽度 1968 年确定以 3 85 线 mm 的扫描线密度传送约６分钟第二组 G2 在调制解调格式上使用简化技术以 3 85 线 mm 的正规扫描线密度传送一份 A4 尺寸的文件约 3 分钟不采用压缩冗余部分的方法 1976 年确定第三组 G3 采用在调制前压缩图像信号中冗余部分的方法在约 1 分钟以内传送一份 A4 尺寸的文件 1980 年确定第四组 G4 通过数据网络传送采用在传送前压缩信号冗余...

Page 165: ... 关于传送时间传送时间控制时间图像传送时间保持时间传送时间由以下部分组成控制时间这是当发送方与接收方的功能被确认时传送开始的时间建立传送方式并使传送与接收同步图像传送时间这是传送文件内容图像数据所需要的时间这个时间一般被记录在目录等之中保持时间这是在文件内容已被传送后为确认文件事实上被传送以及检查电话是否保留和或是否存在连续传送所需要的时间 5 传真标准项目电话网络传真 G3 机连接控制方式电话网络信号方式终端控制方式 T 30 二进制传真信号格式数字式调制方式 PSK V 27 ter 或 QAM V 29 传送速度 300 bps 控制信号 2400 4800 7200 9600 12000 14400 bps FAX 信号冗余码压缩过程编码方式 1 尺寸 MH 方式 2 尺寸 MR 方式 K 2 4 清晰度主扫描 8 像素...

Page 166: ...明控制信号主要由 8 比特识别信号和加给它们的数据信号组成数据信号被加到 DIS 和 DCS 信号上信号 DIS 数字识别信号识别信号格式 00000001 功能通知接收机的容量增加的数据信号如下信号 DCS 数据指令信号识别信号格式 X1000001 例某些机型不支持以下项目比特号 DIS DTC DCS 1 传送机 T 2 工作 2 接收机 T 2 工作接收机 T 2 工作 3 T 2 IOC 176 T 2 IOC 176 4 传送机 T 3 工作 5 接收机 T 3 工作接收机 T 3 工作 6 为将来 T 3 工作特点备用 7 为将来 T 3 工作特点备用 8 为将来 T 3 工作特点备用 9 传送机 T 4 工作 10 接收机 T 4 工作接收机 T 4 工作 ...

Page 167: ...最大记录长度 A4 297 mm 无限 B4 364 mm 无效 21 22 23 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 1 1 1 1 接收机最短的扫描线时间在 3 85 l mm 时为 20ms T7 7 T3 85 在 3 85 l mm 时为 40ms T7 7 T3 85 在 3 85 l mm 时为 10ms T7 7 T3 85 在 3 85 l mm 时为 5ms T7 7 T3 85 在 3 85 l mm 时为 10ms T7 7 1 2 T3 85 在 3 85 l mm 时为 20ms T7 7 1 2 T3 85 在 3 85 l mm 时为 40ms T7 7 1 2 T3 85 在 3 85 l mm 时为 0ms T7 7 T3 85 最短扫描线时间 20 ms 40 ms 10 ms 5 ms 0 ms 24 延...

Page 168: ...处于最佳状态 TCF 训练检查将 0 作为训练信号以同样的速度连续传送 1 5 秒钟 CFR 确认接收 X0100001 通知传送方 TCF 已正确收到若 TCF 未被正确接收 FIT 训练失败 X0100010 就被传给传送方于是传送方将传送速度降低一级然后再次开始训练训练 2 用于再次确认接收方和训练 1 一样图像信号参考下一页 RTC 返回至控制以与图像信号相同的速度将 12 比特 0 01 6 次传送给接收方并通知已完成第一页的传送 EOP 过程结束 X1110100 结束一次通信 MCF 信息确认 X0110001 接收结束一页 DCN 断开 X1011111 阶段 E 开始 MPS 多页信号 X1110010 完成一页传送如果仍有文件要传送它们就被输出而非 EOP 在收到 MCF 后传送方传送第二页的图像信号 PRI EOP 过程中断 X11...

Page 169: ...169 KX FB423CN b 冗余压缩过程编码方式本机使用一维 MH 格式 ...

Page 170: ...作各部分的信号波形表示如下输入 ASIC IC501 数字板上的管脚 42 的信号由 ASIC 读取并识别为响铃电话线 PC101 1 2 4 IC501 42 8 5 4 TAM 接口电路此电路可在传真接收和外部 TAM 的留言录制之间进行自动切换它由一台监听变压器倍增器和放大器电路组成详情请参考 8 6 1 4 TAM 接口部分 P 173 8 5 5 脉冲拨号电路和挂机摘机电路当摘机时 RLY101 接通 Q102 也由 IC501 的管脚 138 接通另一方面在挂机时 Q102 被 IC501 的管脚 138 断开然后线路断开用 IC501 的管脚 138 控制的挂机摘机能够使脉冲拨号操作 IC501 138 LINE RLY 低电平 CN511 9 CN101 9 Q102 OFF RLY101 OFF DC Loop OFF IC501 138 ...

Page 171: ...C101 的管脚 2 然后该信号在 11 6dB 的放大 IC101 的管脚 1 和接收系统传送信号通过 C571 和 R579 并输入 IC511 的管脚 2 信号在那里被放大到约 24 8dB 然后它从 IC101 的管脚 1 输出通过 C125 R120 和 R121 传送至 T102 如果不采用侧音电路传送信号将通过 C112 和 R112 返回至接收放大器当启动侧音电路时由 IC101 的管脚 1 输出的信号通过 C125 R123 C122 C115 和 R115 并进入放大器 IC101 的管脚 3 此电路用于取消传送返回信号 ...

Page 172: ...列 IC501 输出 8 6 1 1 电话监视器 1 功能此功能可让您在手机挂机时从线路中听到呼叫方的语音 2 信号通路参考 6 5 9 1 检查表 P 110 8 6 1 2 话筒电路 1 功能此电路控制通过话筒的通话即来往于话筒的传送和接收的语音 2 信号通路传送信号参考 6 5 9 1 检查表 P 110 3 信号通路接收信号参考 6 5 9 1 检查表 P 110 8 6 1 3 监听器电路 1 功能此电路监听各种音频例如 1 DTMF 音 2 报警嘟嘟声键音铃声 2 信号通路 a DTMF 监视器扬声器工作参考 6 5 9 1 检查表 P 110 手机工作参考 6 5 9 1 检查表 P 110 b 警告嘟嘟声按键音频响铃参考 6 5 9 1 检查表 P 110 ...

Page 173: ...信息检测电路和 RLY101 用于分离外部 TAM 组成 1 CNG 信号检测电路来自对方传真机的 CNG 在调制解调器 IC505 内被检测数字板信号通路参考 6 5 9 1 检查表 P 110 2 遥控接收这是 T 和 R 之间的 TEL 或 EXT TEL 方式的并行或串联连接 DTMF 信号当对方为传真机时本机转换到传真接收信号通路检测 DTMF 内的调制解调器信号外接电话应答机操作本机操作 1 当振铃信号的振铃次数与被存储在连接的应答机 TAM 中的次数相同时应答机就与此线连接而且应答留言就被发送到线路上 OGM 输出约 8 16 秒应答留言的长度必须为 8 16 秒在播放留言时本机开始检测 CNG 信号 A 如果本机检测到 CNG 信号它将转换到传真接收并且自动断开外接的 TAM 2 在发送 OGM 后应答机开始录制对方的留言 ICM 录...

Page 174: ...174 KX FB423CN 8 7 测试图表 8 7 1 ITU T 1 号测试图 ...

Page 175: ...175 KX FB423CN 8 7 2 ITU T 2 号测试图 ...

Page 176: ...176 KX FB423CN 9 夹具和工具 ...

Page 177: ...177 KX FB423CN 10 机壳机械零件和电气元件位置 10 1 综合部分 ...

Page 178: ...178 KX FB423CN 10 2 上部 ADF 部分 ...

Page 179: ...179 KX FB423CN 10 3 传送块部分 ...

Page 180: ...180 KX FB423CN 10 4 下部 ADF 部分 ...

Page 181: ...181 KX FB423CN 10 5 上部打印机盖和载纸盘部分 ...

Page 182: ...182 KX FB423CN 10 6 下部打印机盖部分 ...

Page 183: ...183 KX FB423CN 10 7 记录纸通过部分 ...

Page 184: ...184 KX FB423CN 10 8 上部主机壳部分 ...

Page 185: ...185 KX FB423CN 10 9 下部主机壳部分 ...

Page 186: ...186 KX FB423CN 10 10 螺丝和垫圈的实际尺寸 ...

Page 187: ...187 KX FB423CN 11 附件和包装材料 ...

Page 188: ... FEED PS HB 45 PFHX1512Z METAL PARTS WHITE STANDARD SHEET 46 PFDG1249Z GEAR POM HB 47 PFDG1266Z GEAR POM HB 48 PFDJ1055Z SPACER DRIVE ROLLER BUSH POM HB 49 PFDG1250Z GEAR POM HB 50 PFDG1265Z GEAR POM HB 51 PFDG1251Z GEAR POM HB 52 PFDG1267Z GEAR POM HB 53 PFMH1110Z METAL PARTS ADF MOTOR PLATE 54 WLK22TG17M3M LEAD WIRE 55 35S1S15DGNE DC MOTOR 56 PFHX1399Z COVER MOTOR SHEET Ref No Part No Part Name ...

Page 189: ...emarks 221 PFUG1014W COVER PAPER GUIDE PS HB 222 PFDJ1062Y SPACER PLATEN SUPPORT POM HB 223 PFDJ1061Z SPACER PLATEN SUPPORT POM HB Ref No Part No Part Name Description Remarks 224 PFDN1057Z ROLLER PLATEN 225 PFDN1059Z ROLLER EXIT 226 PFDG1277Z GEAR POM HB 227 PFUA1039V CHASSIS RECORDING PAPER PASS PS HB 228 PFUS1393Z COIL SPRING 229 PFDE1185Y LEVER P TOP POM HB 230 PFDG1280Z GEAR POM HB 231 PFDG12...

Page 190: ...AF0000008 IC TRANSISTORS Ref No Part No Part Name Description Remarks IC506 PFVTSI4431DY TRANSISTOR SI S Q501 PQVTDTC143E TRANSISTOR SI S Q502 2SB1322 TRANSISTOR SI S Q503 PQVTDTC143E TRANSISTOR SI S Q504 2SB1322 TRANSISTOR SI S Q505 2SD1819A TRANSISTOR SI S Q506 2SD1819A TRANSISTOR SI S Q507 PQVTDTC143E TRANSISTOR SI S Q508 2SD1819A TRANSISTOR SI S Q509 2SD1819A TRANSISTOR SI S Q510 PQVTDTC114EU ...

Page 191: ...P S CN504 PQJP8G30Z CONNECTOR 8P S CN505 PQJP11G30Z CONNECTOR 11P S CN506 PQJP7G30Y CONNECTOR 7P S Ref No Part No Part Name Description Remarks CN508 K1MN08A00017 CONNECTOR 8P CN510 PQJP02G100Z CONNECTOR 2P CN511 PQJP14A19Z CONNECTOR 14P CN512 PQJP2G30Z CONNECTOR 2P S CN513 PQJP12A19Z CONNECTOR 12P CN514 PQJP4G30Y CONNECTOR 4P S CN515 PQJP6G30Y CONNECTOR 6P S CN516 PFJP04A23Z CONNECTOR 4P S FUSES ...

Page 192: ...0 ERJ3GEYJ183 18k R611 ERJ3GEYJ472 4 7k R612 ERJ3GEYJ472 4 7k Ref No Part No Part Name Description Remarks R613 ERJ3GEYJ472 4 7k R614 ERJ3GEYJ472 4 7k R615 ERJ3GEYJ222 2 2k R616 ERJ3GEYJ472 4 7k R619 ERJ3GEYJ104 100k R620 ERJ8GEYJ2R2 2 2 R621 ERJ3GEYJ4R7 4 7 R622 PQ4R10XJ331 330 S R625 ERJ3GEYJ101 100 R626 ERJ3GEYJ101 100 R629 ERJ3GEYJ181 180 R644 ERJ3GEYJ472 4 7k R645 ERJ3GEYJ222 2 2k R646 PQ4R18...

Page 193: ...3KBV 0 01 S C138 ECUV1H103KBV 0 01 S C139 ECUV1C473KBV 0 047 S C140 ECUV1C473KBV 0 047 S C142 ECUV1H221JCV 220p S C143 ECUV1C104KBV 0 1 S Ref No Part No Part Name Description Remarks C145 ECUV1C104KBV 0 1 S C151 ECKD2H681KB 680p S C152 ECKD2H681KB 680p S C153 ECEA1HKS100 10 S C154 ECUV1H103KBV 0 01 S C155 ECEA1CKA100 10 S C159 ECUV1H103KBV 0 01 S CONNECTORS JACKS CN101 PQJS14A10Z CONNECTOR S CN102...

Page 194: ...SWITCH S SW332 PQSH1A105Z PUSH SWITCH S SW333 PQSH1A105Z PUSH SWITCH S SW334 PQSH1A105Z PUSH SWITCH S SW335 PQSH1A105Z PUSH SWITCH S SW338 PQSH1A105Z PUSH SWITCH S SW340 PQSH1A105Z PUSH SWITCH S Ref No Part No Part Name Description Remarks RESISTORS J321 ERJ3GEY0R00 0 J322 ERJ3GEY0R00 0 R301 ERJ3GEYJ101 100 R302 ERJ3GEYJ101 100 R303 ERJ3GEYJ183 18k R305 ERJ3GEYJ222 2 2k R306 ERJ3GEYJ222 2 2k R307 ...

Page 195: ...XJ223 RESISTOR 22k Ref No Part No Part Name Description Remarks PCB6 PFLP1448MZ B PF SENSOR BOARD ASS Y RTL CONNECTOR CN503 PQJP3G30Z CONNECTOR 3P S PHOTO ELECTRIC TRANSDUCER PS501 PQVIPS4506 PHOTO SENSOR S Ref No Part No Part Name Description Remarks Ref No Part No Part Name Description Remarks PCB7 PFLP1448MZ C CIS RELAY BOARD ASS Y RTL CAPACITORS C501 ECUV1H151JCV 150p C502 ECUV1H151JCV 150p CO...

Page 196: ...02 C518 R533 R556 Q513 C522 C515 C519 R522 R523 C509 Q510 R687 Q524 R591 R594 R671 R667 L559 R670 R669 R668 R664 R665 R585 R729 R587 C579 C571 L547 L545 R666 R644 R597 C584 C580 C581 C524 R583 L546 R569 C563 L554 C572 R577 R568 R732 C561 C562 R579 R580 R590 R589 C587 R645 C585 Q515 C582 R586 R584 R576 L553 L522 C603 R506 R505 R507 R503 R762 R684 R683 R504 C679 R704 R703 R702 R600 Q511 C535 C624 Q5...

Page 197: ...V E E R663 C646 R662 C605 R728 R658 R657 R599 L544 R765 R764 R539 R541 R543 R554 R538 R540 R542 R680 C652 R681 C681 C680 R548 R550 C630 C629 L507 R746 R747 R748 R749 R750 R672 C654 R751 R752 R753 C543 C658 C682 C542 C657 C526 R659 R526 Q505 C608 C610 C531 R529 C609 C544 C533 C536 C537 C634 C538 C529 R616 C517 C635 C621 C514 R621 R537 C525 C523 R631 R705 C626 Q518 R622 L526 D505 L532 E R559 L558 R5...

Page 198: ...136 C103 C102 CN101 CN105 J117 J118 J107 J119 J120 C125 R120 R121 J106 J108 L114 C126 J123 14 E Q107 C153 C156 L112 J105 C152 C151 SA102 C155 R160 C157 ZNR101 D108 1 12 1 D102 D101 PC106 R154 PC104 PC103 J110 J111 J112 J113 J114 J115 J116 T102 T101 SW101 J122 J121 PCB CH AUTO CH J104 D103 CN106 IC102 D112 J102 J101 L101 RLY101 PFUP1278ZA KX FB423CN ANALOG BOARD COMPONENT VIEW PbF ...

Page 199: ...5 C104 R148 R143 C143 J125 R167 J124 R141 C141 C129 R129 R142 R139 R140 R111 C140 Q106 Q108 Q110 Q101 Q109 Q102 R161 L104 L102 L103 LINE EXT TEL R162 C158 R130 C114 C112 IC101 C113 C128 R113 C127 C161 R128 R129 C120 C121 C124 R124 C123 R123 R125 C122 R122 R118 Q105 Q104 R127 C115 C116 R116 C119 R114 R112 R126 R115 C159 C154 C106 R156 R155 R157 R158 R163 PC103 4 1 PC104 4 8 5 4 1 1 D109 R152 C160 P...

Page 200: ...C ID J305 J307 J308 J309 J310 CN301 MENU 1 2 3 REDIAL PAUSE 6 MUTE FLASH HELP S1 COPY START STOP RESOLUTION S2 S3 S4 SP PHONE 9 5 8 0 4 7 NEW MESS PFUP1279ZA A PFUP1279ZA B A B C D E F G a b c d A B C 1 2 3 4 5 6 7 8 9 A B C 1 0 RED D301 C334 R334 C333 R335 C332 R333 R336 R331 Q301 R332 BLACK 2 3 4 5 6 7 8 9 A D 1 0 2 3 4 5 6 7 8 9 B C CN301 1 1 10 8 34 44 1 IC301 11 12 22 10 1 23 33 J321 R316 R30...

Page 201: ...21 PC101 K A R D202 C206 C204 R222 R225 C222 VR201 R223 C110 C122 IC101 C109 C121 R125 D107 D106 IC202 KX FB423CN POWER SUPPLY BOARD SECONDARY PRIMARY CAUTION SRF1258EK T3 15AH 250V CN31 TH101 C106 ZNR101 L101 IC101 C109 C110 C206 C204 D202 R108 PC101 IC201 VR201 K R A ONLY WITH SAME TYPE AND RATINGS OF FUSE F101 R101 C101 F101 D104 D103 R103 L103 R105 D106 D105 D108 R106 T101 R107 R109 R104 D102 ...

Page 202: ...X FB423CN SENSOR BOARDS SW501 R503 ADF RELAY BOARD PCB5 PF SENSOR BOARD PCB6 ADF RELAY BOARD PCB5 CIS RELAY BOARD PCB7 CIS SENSOR BOARD PCB8 SCAN MOTOR DRIVER BOARD PCB9 CIS RELAY BOARD PCB7 PS502 CN506 CN505 CN504 J507 J508 PCB CH CN507 PFUP1259YA C 1 1 4 1 1 3 10 10 A B C D E F G R502 R501 C502 C501 PS503 CN508 PCB CH PFUP1259YA D 3 1 A B C D E F G PFUP1259YA E IC500 CN509 CN510 D500 NC PCB CH 1...

Page 203: ...203 KX FB423CN 14 示意图说明注 1 用一台示波器或测试表在接地条件下进行 DC 电压测量 2 随着新工艺的开发可随时修改示意图和电路板重要安全注意事项用标记标注的元件具有特殊的对安全至关重要的特性更换其中任一元件时只能使用生产厂方规定的元件 ...

Page 204: ...C4 37 PC3 38 PC2 39 PC1 40 PC0 41 GND 42 VDD 43 ASFMEN 44 NEWSTB2 45 NEWSTB1 46 TXE 47 THLAT 48 THCLK 49 THDAT 50 STB2 51 STB1 52 PC7 53 PC6 54 PC5 55 MCHG 56 RESET 57 GND 58 FLASHCS 59 PB4 A12 60 PB3 A11 61 PB2 A10 62 PB1 A9 63 PB0 A8 64 A3 C630 NC C629 NC C505 NC R733 NC IC523 20 A0 19 A1 18 A2 17 A3 16 A4 15 A5 14 A6 13 A7 3 A8 2 A9 31 A10 1 A11 12 A12 4 A13 5 A14 11 A15 10 A16 6 A17 9 A18 24 V...

Page 205: ...THDAT 3 STB2 4 GND 5 THCLK 6 TM 7 5V 8 GND PG 9 STB1 10 THLAT 11 COM THON CN512 1 REED 2 GND 5VD 24V TEST C527 Z0 1u C526 K1000p C516 Z0 1u C513 Z0 1u C621 Z0 1u C524 Z0 1u C533 Z0 1u C646 K0 1u C609 Z0 1u C611 Z0 1u C531 Z0 1u C537 Z0 1u C605 Z0 1u C522 K0 1u C514 Z0 1u C515 Z0 1u C519 K0 1u C510 Z0 1u C518 K2200p C509 K1000p C536 Z0 1u 6 3V100u C623 L522 R705 10K R541 100 R526 F1 1K R543 100 R70...

Page 206: ...R584 12K R572 1 8M R622 330 R590 220KR647 10K R597 330K R600 47K R593 56K R649 10K R594 6 8K R583 33K Q508 Q509 Q511 Q524 Q510 C587 NC C562 NC 10K RA513 1 2 3 4 5 6 7 8 IC519 1 CD 2 FC2 3 FC1 4 VIN 5 VO1 6 VCC 7 GND 8 VO2 C561 NC C624 NC C563 NC C600 J56p R652 NC R732 NC IC509 1 2 3 4 5 6 7 VSS 8 9 10 11 12 13 14 VDD CN511 1 24V 2 AG 3 5VA 4 LINERX 5 LINETX 6 HSTX 7 HSRX 8 ON MREN 9 LINERLY 10 BEL...

Page 207: ...1 RLSD 12 DCLK 13 EN85 14 GPI0 15 RTS 16 DGND1 17 TXD 18 SA1CLK 19 RS4 20 RS3 21 RS2 22 RS1 23 RS0 24 YCLK 25 IACLK 26 IA1CLK 27 CTRLSIN_S NC 28 RESERVED NC 29 SOUT_S NC 30 SIN_S NC 31 FSYNC_S NC 32 IARESET_S NC 33 AGND1 34 LINEIN_S NC 35 MICP_S NC 36 MICM_S NC 37 MICBIAS_S NC 38 NC 39 NC 40 VREF_S NC 41 VC_S NC 42 VAA_S NC 43 LINEOUT_S NC 44 NC 45 AGND2 46 SPKRP_S NC 47 SPKRM_S NC 48 AVDD_S NC 49...

Page 208: ... 2 R156 10K Q107 R157 10K R152 15K R154 22 5VA R155 10K R159 10K C153 50V10u R151 4 7K R158 1 5K PC103 NC 1 2 3 4 ZNR101 120V C123 NC C120 NC C121 K0 1u R121 680 1 4W C119 NC Q104 Q105 R146 8 2K R147 8 2K R144 10K R145 1M C143 K0 1u R148 8 2K R135 1M C135 K0 047u C144 NC D110 0 D111 0 T102 2 1 5 3 R125 2 2K Q109 NC R128 NC R127 NC R126 NC R113 NC R129 NC 5VA C126 NC C127 NC R137 330 C136 6 3V47u R...

Page 209: ...09 7 SW310 9 SW311 PRINT REPORT SW312 5 SW313 SW315 8 SW316 MENU SW319 SW320 0 SW323 START SW324 SW325 SP PHONE SW327 S2 SW328 COPY SW329 AUTO ANSWER SW331 RECORD NC SW332 S4 SW333 S3 SW334 SW340 STOP R306 2 2K R307 820 C320 NC R334 R332 D301 C333 R336 R331 C331 Q301 C332 5V R335 C334 R333 5V R311 NC LED302 R312 5V SW308 3 SW306 1 SW321 ERASE NC SW303 REDIAL PAUSE SW302 MUTE SW301 2 SW314 SW326 NE...

Page 210: ...M 1 2 750V L N CN31 1 GND R127 PC101 C124 0 1 1 8K C101 0 22 F101 SA250V D104 R105 0 22 2 R124 180 C121 4700p 4 5 3 6 2 7 1 8 R122 330 R125 10K D107 IC101 D108 R108 15 IC202 R109 10 Q101 G R104 R107 300K 2 300K 2 T101 TRANS D201 1 24V 2 24V 3 24V 4 GND CN301 5 GND 6 GND 7 5V C202 1000p 1K D202 C206 C110 C221 0 1 25 1000p 1K 2200p R223 IC201 C205 1 50 100 D S R203 0 C204 47 35 TH101 KX FB423CN POWE...

Page 211: ...2 GND 3 CISON 4 CISSEL 5 DPISEL 6 FTG 7 GND 8 F1 9 GLED 10 VLED CN507 10 SIG 9 GND 8 CISON 7 CISSEL 6 DPISEL 5 FTG 4 GND 3 F1 2 GLED 1 VLED PS502 1 2 4 3 CN506 1 LED 2 SIG 3 GND CN504 1 LED 2 CISPOS0 3 CISPOS1 4 GND C501 150p C502 150p R501 0 R502 0 TO CIS TO DIGITAL TO DIGITAL ADF HOME CIS RELAY BOARD PCB7 PS503 1 2 4 3 CN508 3 LED 2 SIG 1 GND FB HOME CIS SENSOR BOARD PCB8 IC500 1 2 3 4 5 6 7 8 G...

Page 213: ...PACKAGE IC 153 8 3 DIGITAL BOARD SECTION 155 8 4 MODEM SECTION 157 8 5 NCU SECTION 163 8 6 ITS Integrated telephone System and MONITOR SECTION 165 8 7 TEST CHART 167 9 FIXTURES AND TOOLS 169 10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 170 10 1 GENERAL SECTION 170 10 2 UPPER ADF SECTION 171 10 3 CONVERYOR BLOCK SECTION 172 10 4 LOWER ADF SECTION 173 10 5 UPPER PRINTER COVER SECTION AND PAPE...

Page 214: ...omer be sure to perform the following insulation resistance test to prevent the customer from being exposed to shock hazards 1 2 INSULATION RESISTANCE TEST 1 Unplug the power cord and short the two prongs of the plug with a jumper wire 2 Turn on the power switch 3 Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metal cabinet part screw heads control shaf...

Page 215: ...manufacturer Dispose of used batteries according to the manufacturer s Instructions The lithium battery is a critical component type No CR2032 Please observe for the proper polarity and the exact location when replacing it and the exact location when replacing it and soldering the replacement lithium battery in Recommend Type Number CR2032 BAT501 Manufactured by MATSUSHITA SONY TOSHIBA HITACHI 1 5...

Page 216: ...ated by the document feed motor A gear rotates the two rollers Be careful not to touch them with your hands especially when the unit is operating 1 6 2 LIVE ELECTRICAL SECTIONS All the electrical sections of the unit supplied with AC power by the AC power cord are live Never disassemble the unit for service with the AC power supply plugged in CAUTION AC voltage is supplied to the primary side of t...

Page 217: ... DRAM Approx 28 pages of memory reception Approx 25 pages of memory transmission Integrated Telephone System On hook dialing Monitor speaker Voice muting Redialing function 106 Station telephone directory with Navigator and one touch keys Enhanced Copier Function Multi copy function up to 99 copies Enlargement and reduction Collate 64 Level halftone 1 7 SERVICE PRECAUTIONS 1 7 1 PRECAUTIONS TO PRE...

Page 218: ...Maximum Approx 135 When copying a 100 black document Power Supply 220 V 240V AC 50Hz 60 Hz Memory Capacity Approx 28 pages memory reception Approx 25 pages memory transmission Based on ITU T No 1 Test Chart in standard resolution without using Error Correction Mode 1 Transmission speed depends upon the contents of the pages resolution telephone line conditions and capability of the other party s m...

Page 219: ...paper entrance 7 Paper tray 8 Tension plate 9 Document entrance 10 Document cover 11 Printer cover 12 Printer cover open button 1 Power inlet 2 Telephone line jack 3 External telephone jack 4 ADF Auto Document Feeder cable 5 Speaker 3 INSTALLATION 3 1 LOCATION OF CONTROLS 3 1 1 OVERVIEW Note The paper stacker may not be shown in all illustrations 3 1 2 REAR VIEW 8 KX FB423CN ...

Page 220: ...ect print quality 9 RECEIVE MODE To change the receive mode 10 NAVIGATOR VOLUME To adjust volume To search for a stored name To select the features or feature settings during programming To navigate to the next operation 11 TONE To change from pulse to tone temporarily during dialing when your line has rotary pulse services 12 FLASH To access special telephone services such as call waiting or for ...

Page 221: ...e product and easily accessible Note To avoid malfunction do not position fax machine near appliance such as TVs or speakers which generate an intense magnetic field If any other device is connected on the same line this unit may disturb the network condition of the device When the power is turned on and the display shows the following unlock the shipping lock 10 KX FB423CN ...

Page 222: ... C to 35 C Relative humidity 20 to 80 without condensation Power cord length should be less than 5 meters Using a longer cord may reduce the voltage or cause malfunctions Avoid direct sunlight Do not install near devices which contain magnets or generate magnetic fields Do not subject the unit to strong physical shock or vibration Keep the unit clean Dust accumulation can prevent the unit from fun...

Page 223: ... full 2 PAPER TRAY Insert the paper tray into the slot on the back of the unit Note Do not place the unit in an area where the paper tray may be obstructed i e by a wall etc Recording paper will be ejected from the front of the unit Do not place anything in front of the unit To use A4 size paper Insert the bottom tab on the A4 paper guide into the lower slot Press the guide into the upper slot Cha...

Page 224: ...l the tension plate forward and hold open while inserting the paper The paper should not be over the tab If the paper is not inserted correctly readjust the paper or the paper may jam To add paper 1 Pull the tension plate forward and hold open while removing all of the installed paper 2 Add paper to the stack of paper you removed and straighten 3 Fan the stack of paper 4 Pull the tension plate for...

Page 225: ...GLASS Effective scanning area on the scanner glass is changed depending on the setting of the paper size feature 16 on PROGRAM MODE TABLE P 61 Note for the auto document feeder and the scanner glass Check that ink paste or correction fluid has dried completely Do not send the following types of documents Use copies for fax transmission Paper with a faint image Paper with printing on the opposite s...

Page 226: ...re you want to insert the character 2 Press HANDSET MUTE to insert a space and enter the character 1 Press MENU 2 Press or until the following is displayed 3 Press SET 4 Enter your logo up to 30 characters using the dial keypad Example BILL 1 Press 2 2 times Cursor will appear on the display 2 Press 4 6 times 3 Press 5 6 times 4 Press to move the cursor to the next space and press 5 6 times 5 Pres...

Page 227: ...ES P 7 1 For replacement only If ejected paper is stacked on the paper stacker remove it 2 Press down the printer cover open button Open the printer cover For first time installation of the supplied ink film skip to step 4 3 For replacement only Pull out the blue gear and remove the used ink film Remove the used core 4 For replacement only Remove the stoppers and tags from the new ink film 16 KX F...

Page 228: ...lm roll 6 Turn the gear of blue core in the direction of the arrow Make sure that the ink film is wrapped around the blue core at least once 7 Close the printer cover by pushing down on both sides until locked Note The ink film is safe to touch and will not rub off on your hands like carbon paper 17 KX FB423CN ...

Page 229: ...ses of the equipment problem by troubleshooting 5 Equipment repairs Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur 6 Confirm normal operation of the equipment After completing the repairs conduct copying self testing and communication testing to confirm that the equipment operates normally 7 Record keeping Make a record o...

Page 230: ...0 documents Refer to HOW TO REMOVE THE FEED ROLLER AND SEPARATION ROLLER P 39 2 Paper Feed Roller Ref No 82 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE FEED ROLLER AND SEPARATION ROLLER P 39 3 ADF Separation Rubber Ref No 43 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE TOP COVER AND CONVEYOR BLOCK P 40 4 Drive Roller Ref No 35 3 months 7 years 100 000 documents R...

Page 231: ...t Roller Gear Swing Gear B engages Gear D and conveys its power to the Platen Roller Gear 4 3 PAPER PICK UP AND EXIT MODE Swing Gear B engages Gear E and conveys its power to the Exit Roller Gear Swing Gear A engages Gear F and conveys its power to the Pick up Roller Gear 20 KX FB423CN ...

Page 232: ...tely The document transference roller carries the document and the CIS reads it through the glass The document U turns along the guide and is exited through the paper exit roller DOCUMENT TRANSMISSION SCANNER GLASS The CIS held in the CIS holder is carried by the belt timing along the shaft carriage to the reading start position Then it goes back to the home position reading the document through t...

Page 233: ...white sheet to the document cover If the white sheet is detached from the document cover when cleaning place the white sheet on the scanner glass with fastener facing up aligning the top edge of the white sheet to the mark on the unit and close the document cover 2 Close the document cover 4 5 2 DOCUMENT FEEDER ROLLERS If misfeeding of your original occurs frequently clean the document feeder roll...

Page 234: ...cord and the telephone line cord 3 Press down the printer cover open button Open the printer cover 4 Remove the ink film and clean the thermal head with a cloth moistened with isopropyl rubbing alcohol and let it dry thoroughly Replace the ink film Caution To prevent a malfunction due to static electricity do not use a dry cloth and do not touch the thermal head directly 5 Turn the gear of blue co...

Page 235: ...exit guide 7 Clean the roller shaft with a cloth moistened with isopropyl rubbing alcohol and let it dry thoroughly 8 Close the exit guide 9 Close the printer cover by pushing down on both sides until locked 10 Connector the power cord and the telephone line cord 24 KX FB423CN ...

Page 236: ...ejected paper is stacked on the paper stacker remove it 2 Press down the printer cover open button Open the printer cover 3 Remove the jammed paper carefully by puling it toward you When the recording paper has jammed under the roller When the recording paper has jammed and wrapped around the roller 25 KX FB423CN ...

Page 237: ...direction of the arrow Make sure that the ink film is wrapped around the blue core at least once 5 Close the printer cover by pushing down on both sides until locked 6 Remove the recording paper and straighten Pull the tension plate forward and hold open while inserting the paper 26 KX FB423CN ...

Page 238: ...en while inserting the paper Press SET to clear the message 4 7 DOCUMENT JAMS SENDING 1 Lift and hold open the ADF cover Remove the jammed document carefully Do not pull out the jammed document forcibly before lifting the ADF cover If you cannot remove the jammed document open the document cover remove the document then close the document cover 2 Close the ADF cover 27 KX FB423CN ...

Page 239: ... remove the Ink Film 5 1 DISASSEMBLY FLOW CHART 5 1 1 UPPER MAIN CABINET SECTION CROSS REFERENCE A 1 HOW TO REMOVE THE PAPER TRAY AND DOCUMENT COVER P 32 A 2 HOW TO REMOVE THE PRINTER COVER P 33 A 3 HOW TO REMOVE THE THERMAL HEAD P 34 28 KX FB423CN ...

Page 240: ...AND DOCUMENT COVER P 32 A 2 HOW TO REMOVE THE PRINTER COVER P 33 A 4 HOW TO REMOVE THE BOTTOM FRAME AND HANDSET CRADLE P 35 A 5 HOW TO REMOVE THE DIGITAL ANALOG POWER SUPPLY 26 REED SW BOARD AND AC INLET P 36 A 6 HOW TO REMOVE THE MOTOR BLOCK LOCK LEVER AND SPEAKER P 37 29 KX FB423CN ...

Page 241: ...T P 38 B 2 HOW TO REMOVE THE DOCUMENT GUIDES P 38 B 3 HOW TO REMOVE THE ADF RELAY BOARD P 39 B 4 HOW TO REMOVE THE FEED ROLLER AND SEPARATION ROLLER P 39 B 5 HOW TO REMOVE THE TOP COVER AND CONVEYOR BLOCK P 40 B 6 HOW TO REMOVE THE ADF MOTOR AND PF SENSOR BOARD P 41 B 7 HOW TO REMOVE THE ADF EXIT ROLLER AND DRIVE ROLLER P 41 30 KX FB423CN ...

Page 242: ...42 C 2 HOW TO REMOVE THE EXIT ROLLER AND PLATEN ROLLER P 43 C 3 HOW TO REMOVE THE OPERATION BOARD P 44 C 4 HOW TO REMOVE THE SCANNER GLASS UNIT CIS AND PAPER TRAY BLOCK P 45 C 5 HOW TO REMOVE THE CIS RELAY BOARD AND CIS SENSOR BOARD P 46 C 6 HOW TO REMOVE THE CARRIAGE MOTOR AND SCAN MOTOR DRIVE BOARD P 46 C 7 HOW TO REMOVE THE COMPONENT PARTS OF PAPER TRAY BLOCK P 47 31 KX FB423CN ...

Page 243: ...5 2 DISASSEMBLY PROCEDURE 5 2 1 HOW TO REMOVE THE PAPER TRAY AND DOCUMENT COVER 32 KX FB423CN ...

Page 244: ...5 2 2 HOW TO REMOVE THE PRINTER COVER 33 KX FB423CN ...

Page 245: ...5 2 3 HOW TO REMOVE THE THERMAL HEAD 34 KX FB423CN ...

Page 246: ...5 2 4 HOW TO REMOVE THE BOTTOM FRAME AND HANDSET CRADLE 35 KX FB423CN ...

Page 247: ...5 2 5 HOW TO REMOVE THE DIGITAL ANALOG POWER SUPPLY 26 REED SW BOARD AND AC INLET 36 KX FB423CN ...

Page 248: ...5 2 6 HOW TO REMOVE THE MOTOR BLOCK LOCK LEVER AND SPEAKER 37 KX FB423CN ...

Page 249: ...5 2 7 HOW TO REMOVE THE WHITE SHEET 5 2 8 HOW TO REMOVE THE DOCUMENT GUIDES 38 KX FB423CN ...

Page 250: ...5 2 9 HOW TO REMOVE THE ADF RELAY BOARD 5 2 10 HOW TO REMOVE THE FEED ROLLER AND SEPARATION ROLLER 39 KX FB423CN ...

Page 251: ...5 2 11 HOW TO REMOVE THE TOP COVER AND CONVEYOR BLOCK 40 KX FB423CN ...

Page 252: ...5 2 12 HOW TO REMOVE THE ADF MOTOR AND PF SENSOR BOARD 5 2 13 HOW TO REMOVE THE ADF EXIT ROLLER AND DRIVE ROLLER 41 KX FB423CN ...

Page 253: ...5 2 14 HOW TO REMOVE THE PICK UP ROLLER 42 KX FB423CN ...

Page 254: ...5 2 15 HOW TO REMOVE THE EXIT ROLLER AND PLATEN ROLLER 43 KX FB423CN ...

Page 255: ...5 2 16 HOW TO REMOVE THE OPERATION BOARD 44 KX FB423CN ...

Page 256: ...5 2 17 HOW TO REMOVE THE SCANNER GLASS UNIT CIS AND PAPER TRAY BLOCK 45 KX FB423CN ...

Page 257: ...5 2 18 HOW TO REMOVE THE CIS RELAY BOARD AND CIS SENSOR BOARD 5 2 19 HOW TO REMOVE THE CARRIAGE MOTOR AND SCAN MOTOR DRIVE BOARD 46 KX FB423CN ...

Page 258: ...5 2 20 HOW TO REMOVE THE COMPONENT PARTS OF PAPER TRAY BLOCK 47 KX FB423CN ...

Page 259: ...5 3 NOTE FOR ASSEMBLING 48 KX FB423CN ...

Page 260: ...5 4 INSTALLATION POSITION OF THE LEAD 49 KX FB423CN ...

Page 261: ...50 KX FB423CN ...

Page 262: ...51 KX FB423CN ...

Page 263: ...SET to clear the message Refer to RECORDING PAPER P 13 The recording paper has jammed near the recording paper entrance Clear the jammed paper and press SET to clear the message Do not install folded or heavily curled paper Refer to RECORDING PAPER JAM P 25 The ADF cover is open Close it The front cover is open Close it There is no space to store new entries in navigator directory Erase unnecessar...

Page 264: ...aper If the printout jams please refer to RECORDING PAPER JAM P 16 The unit is checking that there is no slack on the ink film Wait for a moment while the check completes The other party s fax machine does not provide the polling function Check with the other party The other party s fax machine is busy or has run out of recording paper Try again The document is jammed Remove the jammed document Re...

Page 265: ...e listed in the Operating Instructions and are available to the user The special programs are only those listed here and not displayed to the user In both the User and Service Modes there are Set Functions and Test Functions The Set Functions are used to program various features and functions and the Test Functions are used to test the various functions The Set Functions are accessed by entering t...

Page 266: ...redial time set X number of times 00 14 05 Selects the number of times that ITS is redialed not including the first dial 572 ITS auto redial line disconnection time set X second 001 999 065 Sets the interval of ITS redialing 573 Remote turn on ring number set X number of rings 01 99 10 Sets the number of rings before the unit starts to receive a document in the TEL mode 590 FAX auto redial time se...

Page 267: ... friendly reception 1 10 sec 2 20 sec 3 30 sec 1 3 3 Selects the CNG detection tone of friendly reception 771 T1 timer 1 35 sec 2 60 sec 1 2 1 Sets a higher value when the response from the other party needs more time during FAX transmission 774 T4 timer X 100 msec 00 99 00 Use this function when delay occurs in the line and communication ex Mobile comm does not work well 815 Sensor Vox check See ...

Page 268: ...l DTMF tones Refer to DTMF SINGLE TONE TRANSMIT SELECTION P 58 1 ON 2 OFF KEY CHECK Service Mode 5 6 1 Checks the button operation Indicates the button code on the LCD while the button is pressed Refer to BUTTON CODE TABLE P 58 START any key FACTORY SET Service Mode 5 5 0 Clears the memory where the users can store data START PRINT TEST PATTERN Service Mode 8 5 2 Prints out the test pattern Used m...

Page 269: ...SMIT SELECTION Note After performing this check do not forget to turn the setting off Otherwise dialing in DTMF signal will not work 6 3 2 BUTTON CODE TABLE Code Button Name Code Button Name Code Button Name Code Button Name 02 RESOLUTION 31 1 3B 64 STATION 1 04 FAX START SET 32 2 3C 65 STATION 2 05 LOWER 33 3 3D REDIAL PAUSE 66 STATION 3 06 COPY 34 4 3E FLASH 08 MONITOR 35 5 47 PRINT REPORT 0A MU...

Page 270: ...1 Platen roller 2 Left margin Top margin 3 Thermal head 1 dot 4 Use this test pattern to confirm the torque limiter for ink film and platen roller timing 6 3 3 PRINT TEST PATTERN 59 KX FB423CN ...

Page 271: ...ine Based on this the parameters for the desired codes can be changed The procedure for changing and listing parameters is described on ENTERING THE REMOTE PROGRAMMING MODE AND CHANGING SERVICE CODES P 60 Also before exiting the remote programming mode it is advisable to obtain a new list to confirm that the changes were made correctly Hint Since the connected telephone is in use during the remote...

Page 272: ...OK 522 Auto standby select 1 ON 2 OFF ON OK 523 Receive equalizer select 1 0km 2 1 8km 3 3 6km 4 7 2km 0km OK 524 Transmission equalizer select 1 0km 2 1 8km 3 3 6km 4 7 2km 0km OK 550 Memory clear NG 551 ROM check NG 552 DTMF signal tone test 1 ON 2 OFF OFF OK 553 Monitor on FAX communication 1 OFF 2 Phase B 3 ALL OFF OK 554 Modem test NG 555 Scanner test NG 556 Motor test NG 558 LCD test NG 559 ...

Page 273: ...ournal list 1 Start OK 995 Journal 2 list 1 Start OK 996 Journal 3 list 1 Start OK 998 History list 1 Start OK 999 Service list 1 Start OK OK means can set NG means can not set Note Refer to SERVICE FUNCTION TABLE P 55 for descriptions of the individual codes Example If you want to set value in the 004 Transmission report mode press the dial key number 1 2 or 3 corresponding to the Set Value you w...

Page 274: ...6 4 3 HISTORY Example of a printed out list Note See the following descriptions of this report Item No 1 46 are corresponding to the listed items in DESCRIPTIONS OF THE HISTORY REPORT P 64 63 KX FB423CN ...

Page 275: ...EIVE REDUCTION The compression rate when receiving 20 SETTING NO OF DIRECTORY The recorded directory stations one touch dial 21 NUMBER OF COPY The number of pages copied 22 NUMBER OF RECEIVE The number of pages received 23 NUMBER OF SENDING The number of pages sent 24 29 Not Used 30 NUMBER OF PRINTING WARNING LIST The number of warning lists printed until now 31 NUMBER OF PRINTING HELP The number ...

Page 276: ...hey are not a technician or engineer Using your experience test the problem area corresponding to the claim Also returns from a customer or dealer often have a claim tag For these cases as well you need to determine the problem Test the unit using the simple check list on SIMPLE CHECK LIST P 66 Difficult problems may be hard to determine so repeated testing is necessary 6 5 2 STARTING TROUBLESHOOT...

Page 277: ...Black or white vertical line is copied See BLACK OR WHITE VERTICAL LINE IS COPIED P 80 Abnormal image is copied See AN ABNORMAL IMAGE IS COPIED P 81 Communication FAX TEL Analog board Cannot communicate by fax An error code is displayed See COMMUNICATION SECTION P 82 Cannot talk The DTMF tone doesn t work The handset monitor doesn t work etc See ANALOG BOARD SECTION P 103 Operation panel Keys are ...

Page 278: ...7 CHECK THE STATUS OF THE DIGITAL BOARD P 100 INITIALIZING ERROR P 101 SENSOR SECTION P 106 MOTOR SECTION P 109 6 5 4 RECORDING PAPER FEED 6 5 4 1 THE RECORDING PAPER DOES NOT FEED We recommend making a copy of the Fig b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE 67 KX FB423CN ...

Page 279: ...2 PAPER JAMMED CROSS REFERENCE PRINT AND EXIT MODE P 20 PAPER PICK UP AND EXIT MODE P 20 DISASSEMBLY INSTRUCTIONS P 28 TEST FUNCTIONS P 57 SENSOR SECTION P 106 SENSORS AND SWITCHES SECTION P 138 68 KX FB423CN ...

Page 280: ... We recommend making a copy of the Fig b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE SKEW P 78 6 5 4 5 THE RECEIVED FAX DATA IS SKEWED We recommend making a copy of the Fig b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE MULTIPLE FEED AND SKEW P 69 69 KX FB423CN ...

Page 281: ...ATA IS EXPANDED We recommend making a copy of the Fig b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE HOW TO REMOVE THE FEED ROLLER AND SEPARATION ROLLER P 39 70 KX FB423CN ...

Page 282: ...aking a copy of the Fig b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE HOW TO REMOVE THE THERMAL HEAD P 34 TEST FUNCTIONS P 57 A BLANK PAGE IS RECEIVED P 73 THERMAL HEAD P 113 71 KX FB423CN ...

Page 283: ...72 KX FB423CN ...

Page 284: ... 71 ANALOG BOARD SECTION P 103 6 5 4 9 BLACK OR WHITE VERTICAL LINE We recommend making a copy of the Fig b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE THERMAL HEAD AND ROLLER SHAFT P 23 HOW TO REMOVE THE THERMAL HEAD P 34 73 KX FB423CN ...

Page 285: ...g b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE HOW TO REMOVE THE PICK UP ROLLER P 42 TEST FUNCTIONS P 57 A BLANK PAGE IS COPIED P 71 CHECK THE STATUS OF THE DIGITAL BOARD P 100 INITIALIZING ERROR P 101 74 KX FB423CN ...

Page 286: ...We recommend making a copy of the Fig b document in NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 76 and using it CROSS REFERENCE HOW TO REMOVE THE THERMAL HEAD P 34 TEST FUNCTIONS P 57 ANALOG BOARD SECTION P 103 75 KX FB423CN ...

Page 287: ...6 5 5 ADF Auto document feed SECTION 6 5 5 1 NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED CROSS REFERENCE SENSOR SECTION P 106 76 KX FB423CN ...

Page 288: ...CROSS REFERENCE MOTOR SECTION P 109 77 KX FB423CN ...

Page 289: ...6 5 5 2 1 ADF 6 5 5 2 SKEW 78 KX FB423CN ...

Page 290: ...6 5 5 2 2 SCANNER GLASS 6 5 5 3 THE SENT FAX DATA IS SKEWED CROSS REFERENCE SKEW P 78 6 5 5 4 THE RECEIVED FAX DATA IS SKEWED CROSS REFERENCE MULTIPLE FEED AND SKEW P 69 79 KX FB423CN ...

Page 291: ...6 5 5 5 THE RECEIVED OR COPIED DATA IS EXPANDED 6 5 5 6 BLACK OR WHITE VERTICAL LINE IS COPIED 80 KX FB423CN ...

Page 292: ... CROSS REFERENCE WHITE PLATE AND SCANNER GLASS P 22 HOW TO REMOVE THE SCANNER GLASS UNIT CIS AND PAPER TRAY BLOCK P 45 HOW TO REMOVE THE CARRIAGE MOTOR AND SCAN MOTOR DRIVE BOARD P 46 CIS Contact Image Sensor SECTION P 112 81 KX FB423CN ...

Page 293: ...ng is also possible Troubleshooting Problem with the service line or with the transmitter s fax Refer to RECEIVE PROBLEM P 85 4 The fax completely fails to transmit or receive Copying is also possible Troubleshooting Problem with the electric circuit Refer to THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE P 86 5 The fax fails either to transmit or receive when making a long distance or an internati...

Page 294: ...6 5 6 1 DEFECTIVE FACSIMILE SECTION 6 5 6 1 1 TRANSMIT PROBLEM CROSS REFERENCE ADF Auto document feed SECTION P 76 OPERATION BOARD SECTION P 105 83 KX FB423CN ...

Page 295: ...6 5 6 1 2 SOMETIME THERE IS A TRANSMIT PROBLEM Note 596 Transmit level set represents a service code Refer to the SERVICE FUNCTION TABLE P 55 84 KX FB423CN ...

Page 296: ...Confirm the following before starting troubleshooting Is the recording paper installed properly Refer to the next page Note 596 Transmit level set represents a service code Refer to the SERVICE FUNCTION TABLE P 55 85 KX FB423CN ...

Page 297: ...xample CHECK PAPER are displayed on the LCD Once you solve the main problem MEMORY FULL will be cancelled and the reception problem will be resolved LCD display messages indicating the error causes are shown below CHECK PAPER COVER OPEN UNIT OVERHEATED COVER OPEN etc Reset the unit PAPER JAMMED CHECK FILM Please refer to USER RECOVERABLE ERRORS P 52 for the above items Also when it actually become...

Page 298: ... information about a communication but the other two journal reports provide different information on the same item communication HOW TO READ JOURNAL REPORTS Example 1 Look at NO 01 in the JOURNAL If you want to know about the details about that item see NO 01 in the JOURNAL 2 and the JOURNAL 3 You can get the following information MODE Fax transmission RCV MODE TEL TX SPEED 9 6 kbps RESOLUTION st...

Page 299: ...ger has been used For example 0003 means three times No Display Function 1 FAX MODE Means the unit received a fax message in the FAX mode 2 MAN RCV Means the unit received a fax message by manual operation 3 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 4 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a parallel connected telephone 5...

Page 300: ...QM EQM means Eye Quality Monitor Used only at the factory 9 ERROR LINE RX When an error occurs while receiving a fax this shows the number of error lines 10 MAKER CODE This shows a 2 digit code of the other party s fax machine brand 0E KX model 00 Unknown 79 UF model 19 Xerox model 6 5 7 2 JOURNAL 3 Description 6 5 7 3 PRINTOUT EXAMPLE 89 KX FB423CN ...

Page 301: ...90 KX FB423CN ...

Page 302: ...s finished when the T1 TIMER expires 9 54 ERROR NOT YOUR UNIT RCV DCN is received after DIS transmission 11 58 COMMUNICATION ERROR RCV DCN is received after FTT transmission 13 59 ERROR NOT YOUR UNIT SND DCN responds to the post message 14 64 COMMUNICATION ERROR POLL RCV Polling is not possible 65 COMMUNICATION ERROR SND DCN is received before DIS reception 2 65 COMMUNICATION ERROR RCV Reception i...

Page 303: ...92 KX FB423CN ...

Page 304: ...CROSS REFERENCE TEST FUNCTIONS P 57 93 KX FB423CN ...

Page 305: ...CROSS REFERENCE TEST FUNCTIONS P 57 94 KX FB423CN ...

Page 306: ...CROSS REFERENCE TEST FUNCTIONS P 57 95 KX FB423CN ...

Page 307: ...CROSS REFERENCE TEST FUNCTIONS P 57 96 KX FB423CN ...

Page 308: ...97 KX FB423CN ...

Page 309: ...98 KX FB423CN ...

Page 310: ...CROSS REFERENCE TEST FUNCTIONS P 57 99 KX FB423CN ...

Page 311: ...6 5 7 5 CHECK THE STATUS OF THE DIGITAL BOARD 100 KX FB423CN ...

Page 312: ...ecks each IC The ROM DRAM and modem are checked If initialization fails for the ICs the system will not boot up In this case please find the cause as follows CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD P 100 POWER SUPPLY BOARD SECTION P 114 NG EXAMPLE P 156 101 KX FB423CN ...

Page 313: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD P 100 102 KX FB423CN ...

Page 314: ...gnal is output to the telephone line The signal mainly flowing on this route is analog You can trace the signal with an oscilloscope The signal flow on each route is shown in the Check Sheet here If you find a specific problem in the unit for example if you cannot communicate with the H S trace that signal route locally with the following Check Sheet and locate the faulty point 6 5 9 1 CHECK SHEET...

Page 315: ...r the NCU section and locate a defective point where the signal disappears on each route between the handset microphone and telephone line sending or between the telephone line and the handset speaker receiving or between the microphone and the telephone line sending or between the telephone line and the speaker receiving Check the components at that point CHECK SHEET P 103 is useful for this inve...

Page 316: ...A FAX is received but won t switch from TAM to FAX CROSS REFERENCE ANALOG BOARD SECTION P 103 TAM INTERFACE SECTION P 166 6 5 10 OPERATION BOARD SECTION 1 NO KEY OPERATION 2 NO LCD INDICATION CROSS REFERENCE TEST FUNCTIONS P 57 105 KX FB423CN ...

Page 317: ...ECTION P 138 Perform an SENSOR CHECK to determine if the sensor is operating correctly 1 Check the document sensor CHECK DOCUMENT 2 Check the paper feed sensor REMOVE DOCUMENT 3 Check the hook switch 4 Check the cover open switch COVER OPEN 106 KX FB423CN ...

Page 318: ... the paper sensor OUT OF PAPER 6 Check the paper sensor PAPER JAMED 7 Check the film sensor CHECK FILM TYPE or CHECK FILM SLACK 8 Check the ADF cover open switch 9 Check the FB cover open switch 107 KX FB423CN ...

Page 319: ...10 Check the CIS position sensor ADF Home side 11 Check the CIS position sensor FB Home side 108 KX FB423CN ...

Page 320: ...6 5 12 MOTOR SECTION 6 5 12 1 RX MOTOR CROSS REFERENCE HOW TO REMOVE THE MOTOR BLOCK LOCK LEVER AND SPEAKER P 37 POWER SUPPLY BOARD SECTION P 114 109 KX FB423CN ...

Page 321: ...6 5 12 2 ADF MOTOR CROSS REFERENCE POWER SUPPLY BOARD SECTION P 114 110 KX FB423CN ...

Page 322: ...6 5 12 3 CR MOTOR CROSS REFERENCE POWER SUPPLY BOARD SECTION P 114 111 KX FB423CN ...

Page 323: ...6 5 13 CIS Contact Image Sensor SECTION CROSS REFERENCE TEST FUNCTIONS P 57 112 KX FB423CN ...

Page 324: ...6 5 14 THERMAL HEAD 113 KX FB423CN ...

Page 325: ...test withstanding voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until you locate and repair the faulty parts except for the fuse otherwise the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that nothing is output It is more likely that the fault is in the primary side rather than th...

Page 326: ...6 5 15 2 TROUBLESHOOTING FLOW CHART 115 KX FB423CN ...

Page 327: ...rst case of Q101 is a short circuit between the Drain and Gate because damage expands to the peripheral circuit of Q101 This is due to a very high voltage through the Gate circuit which is composed of R128 R109 D106 and IC101 You should change all of the parts listed as follows F101 Q101 R128 R109 D106 IC101 D201 If D201 is broken the oscillation circuit in the power supply cannot operate Check it...

Page 328: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 7 1 1 CONNECTION DIAGRAM 1 117 KX FB423CN ...

Page 329: ...7 1 2 POWER SUPPLY FLOW 118 KX FB423CN ...

Page 330: ...namic RAM IC503 4 Read Section CIS image sensor to read transmitted documents 5 Motor Driver Section Drives the printing motor 6 Analog Board Composed of ITS circuit NCU circuit and contains driving ADF Motor unit 7 Sensor Section Composed of a cover open switch document set sensor a document top sensor and CIS position sensor 8 Power Supply Board Switching Section Supplies 5V and 24V to the unit ...

Page 331: ...120 KX FB423CN ...

Page 332: ...ER SUPPLY 24V 5V PG DG OP RESET 24V XRESETI XORESET XRESET XBACKEN RESET IC 3 3V BATT 2 5V BATT BATT 24MHz 32 768KHz TX RX TO ANALOG PCB A 12 0 RBA 5 0 A 4 0 5V XRAS XCAS A 9 0 D 7 0 XRD XWR XRAS XCAS IC503 IC507 DRAM A 7 4 RBA 5 0 PTOP COVER SENSOR LED ON PS1 3 3V CN504 CN503 CN505 CN516 SPEAKER CN510 CIS TO TO CARRIAGE MOTOR TM 3 0 CN515 ADF TO ADF SENSOR AND MOTOR VIA ANALOG BOARD TM 3 0 CN513 ...

Page 333: ...RAM This memory is programmed into the ASIC and uses 8 KB for the image processing See Fig A 7 THERMAL HEAD I F Transmits the recorded data to the thermal head 8 MOTOR I F Controls the transmission motor which feeds the document Controls the receiving motor which feeds the recording paper 9 OPERATION PANEL I F Serial interface with Operation Panel 10 I O PORT I O Port Interface 11 ANALOG UNIT Elec...

Page 334: ...FOR CIS CLK 17 F2 OP O 3 3V OUTPUT PORT HSTXMUTE 18 FR OP O 3 3V OUTPUT PORT MDMRST 19 CPC I 3 3V INPUT PORT PTOP 20 RVN I 3 3V RVN 21 IRDATXD IOP O 3 3V OUTPUT PORT CISLED 22 IRDARXD IOP80 I 3 3V INPUT PORT DOCU 23 TXD IOP I 3 3V INPUT PORT RDPOS 24 RXD IOP O 3 3V OUTPUT PORT SENLED1 25 XRTS IOP I 3 3V INPUT PORT HOOK 26 XCTS IOP O 3 3V OUTPUT PORT SPMUTE 27 VDD 2 5V POWER SOURCE 2 5V 28 TONE1 A ...

Page 335: ...3V CPU ADDRESS BUS 4 86 ADR5 O 3 3V CPU ADDRESS BUS 5 87 VSS GND POWER SOURCE GND 88 VDD 2 5V POWER SOURCE 2 5V 89 ADR6 O 3 3V CPU ADDRESS BUS 6 90 ADR7 O 3 3V CPU ADDRESS BUS 7 91 ADR8 O 3 3V CPU ADDRESS BUS 8 92 ADR9 O 3 3V CPU ADDRESS 9 93 ADR10 O 3 3V CPU ADDRESS 10 94 ADR11 O 3 3V CPU ADDRESS 11 95 ADR12 O 3 3V CPU ADDRESS 12 96 RBA0 O 3 3V ROM RAM BANK ADDRESS 0 97 RBA1 O 3 3V ROM RAM BANK A...

Page 336: ...CIS MOTOR PHASE 131 TXE IOP O 3 3V ASF CIS MOTOR ENABLE SIGNAL 132 KSTART O 3 3V OPERATION PANEL CONTROL 133 KLATCH O 3 3V OPERATION PANEL CONTROL 134 KSCLK O 3 3V OPERATION PANEL CONTROL 135 KTXD O 3 3V OPERATION PANEL CONTROL 136 KRXD I 3 3V OPERATION PANEL CONTROL 137 FMEMCLK IOP O 3 3V OUTPUT PORT THON 138 FMEMDI IOP O 3 3V OUTPUT PORT LINERLY 139 ADSEL1 O 3 3V CHANNEL SELECT SIGNAL FOR AIN2 1...

Page 337: ...tive reset pulse of 50 70 msec is generated and the system is reset completely 2 The watch dog timer built in the ASIC IC501 is initialized by the CPU about every 1 5 ms When a watch dog error occurs pin 115 of the ASIC IC501 becomes low level The terminal of the WDERR signal is connected to the reset line so the WDERR signal works as the reset signal 126 KX FB423CN ...

Page 338: ...which the power consumption is lower 7 3 4 ANALOG SECTION 7 3 4 1 DESCRIPTION OF BLOCK DIAGRAM IN ANALOG SECTION 1 Function The analog section serves as an interface between the telephone line The digital board IC505 for transmission and reception of FAX signals switches between the digital board IC505 and other sections by means of a multiplexer in the NCU section The control signals to the indiv...

Page 339: ...D VCC 3 4 1 2 7 6 5 8 SPMUTE LINEOUT LINEIN SPKRP MICP SPKRM MICM R582 R576 C573 C577 PIA 61 62 60 69 72 71 OF MREN C570 R575 C567 R573 R571 R571 R572 C568 Q508 R574 C601 R566 IC501 32 31 C579 IC511 R592 R587 R586 R584 C576 HSRXEN R593 C586 Q510 R591 HSTXMUTE C581 R583 IC511 R585 MDMTXEN TONE1EN R579 R580 C571 C572 R569 TONE1 TONE2 R600 R568 Q511 TONE2EN MODEM IC IC505 L104 L105 R137 C136 R143 C63...

Page 340: ...ccording to the voltage output time the thermal head s temperature is detected After the thermal head temperature is converted to voltage in B it is then changed to digital data in the A D converter inside IC501 The CPU decides the strobe width of the thermal head according to this value Therefore this circuit can keep the thermal head at an even temperature in order to stabilize the printing dens...

Page 341: ...or Q507 turns on This applies voltage to the LED array to light it The contact image sensor is driven by each of the FTG F1 signals output from IC501 and the original image illuminated by the LED array undergoes photoelectric conversion to output an analog image signal SIG The analog image signal is input to the system ASIC on AIN1 pin 3 of IC501 and converted into 8 bit data by the A D converter ...

Page 342: ... 15 14 and drives the motor coil As a result a current of about 0 32A are supplied to the motor coil 7 5 1 1 TIMING CHART 1 2 phase excitation 2 2 phase excitation output waveform example A Phase DRIVE MODE FUNCTION MODE PHASE PATTERN SPEED CURERENT Recording Paper Feeding 2 phase 432pps 0 32A FINE COPY 2 phase 432 216pps 0 29A 0 22A SUPER FINE COPY 1 2 phase 216pps 0 22A PHOTO COPY 1 2 phase 432p...

Page 343: ... 3 1 2 phase excitation 4 2 phase excitation output waveform example A phase 132 KX FB423CN ...

Page 344: ...7 5 1 2 ENGINE MOTOR DRIVE CIRCUIT 1 Circuit Diagram 133 KX FB423CN ...

Page 345: ... a high level and Q507 Q504 turns ON As a result 24V is supplied to the motor coil Stepping pulses are output from ASIC IC501 pins 125 128 129 130 causing driver IC102 on Analog Board pins 1 4 to drive the motor coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation A 1 step rotation feeds 0 042mm of document paper 7 5 2 1 TIMING CHART 1 1 2 phase excita...

Page 346: ...IRCUIT 1 Circuit Diagram DRIVE MODE FUNCTION MODE PHASE PATTERN SPEED FAX STANDARD 1 2 phase 432pps FAX COPY FINE HALF TONE 1 2 phase 432pps FAX COPY SUPER FINE 1 2 phase 216pps DOCUMENT FEED 1 2 phase 432pps STAND BY ALL PHASE OFF 135 KX FB423CN ...

Page 347: ...s a high level and Q503 Q502 turns ON As a result 24V is supplied to the motor coil Stepping pulses are output from ASIC IC501 pins 125 128 129 130 causing driver IC500 pins 16 13 to drive the motor coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation A 1 step rotation feeds 0 042mm of document paper 7 5 3 1 TIMING CHART 1 1 2 phase excitation 2 1 2 ph...

Page 348: ...T 1 Circuit Diagram DRIVE MODE FUNCTION MODE PHASE PATTERN SPEED FAX STANDARD 2 2 phase 432pps FAX COPY FINE HALF TONE 1 2 phase 432pps FAX COPY SUPER FINE 1 2 phase 216pps NO SCANNING 2 2 phase 432pps STAND BY ALL PHASE OFF 137 KX FB423CN ...

Page 349: ...r Open SW500 FB Cover Open CIS Relay Board PS502 CIS Position ADF Home CIS Sensor Board PS503 CIS Position FB Home Analog Board SW101 Hook Film Detection Board SW401 Film Detection CHECK FILM SLACK Note See TEST FUNCTIONS SENSOR CHECK SECTION for the sensor test 815 of Service Mode test Refer to TEST FUNCTIONS P 57 7 6 1 HOOK SWITCH When the handset is raised the switch is turned ON and the signal...

Page 350: ... signal of IC501 22pin IC501 23pin becomes a low level When there is no document the shelter plate shuts off the sensor light the photo transistor turns OFF and the input signal of IC501 22pin IC501 23pin becomes a high level Document Sensor Photo transistor Signal IC501 22pin No Document OFF High level Document Set ON Low level Paper Feed Sensor Photo transistor Signal IC501 23pin No Read Positio...

Page 351: ...pin becomes a high level When there is no CIS the shelter plate let the sensor light pass through the photo transistor turns ON and the input signal of IC520 52pin IC520 53pin becomes a low level ADF Home Sensor Photo transistor Signal IC520 52pin Home position OFF High level Not Home position ON Low level FB Home Sensor Photo transistor Signal IC520 53pin Home position OFF High level Not Home pos...

Page 352: ... becomes a high level Switch Signal IC505 93pin Open OFF High level Close ON Low level 7 6 5 FB COVER OPEN SWITCH The Switch detects whether the Flat Bed cover is open or closed When the Flat Bed cover is closed the switch turns ON and the input signal of IC505 95pin becomes a low level When the Flat Bed cover is open the switch turns OFF and the input signal of IC505 95pin becomes a high level Sw...

Page 353: ...7 PAPER TOP SENSOR PAPER JAMMED The sensor detects whether the recording paper set or exit out or not When there is no recording paper at the position of the sensor the shelter plate closes the sensor light the photo transistor OFF and the input signal of IC501 19 pin becomes high level When the recording paper reach the paper top sensor the shelter plate let the sensor light passing through the p...

Page 354: ...ATION BOARD KX FB423CN OPERATION BOARD BLOCK DIAGRAM GATE ARRAY IC IC301 1 Key Matrix Hard only KIN0 KIN1 KIN2 KIN3 KIN4 KIN5 KIN6 KIN7 KS0 2 SW301 1 SW306 PRINT REPORT SW311 MENU SW316 KS1 HANDSET MUTE SW302 6 SW307 5 SW312 S1 SW322 S2 SW327 S4 SW332 KS2 REDIAL SW303 3 SW308 SW313 SW318 START SW323 COPY SW328 S3 SW333 RESOLUTION SW338 KS3 4 SW304 7 SW309 NEXT SW314 VOL SW319 VOL SW324 RECEIVE MOD...

Page 355: ...R306 and R307 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array IC301 Density Display mode User setting XLD15 XLD14 XLD13 2 LINE NORMAL DARKER H L L L Input setting L Large NORMAL DARKER H H Input setting L Input setting Input setting 144 KX FB423CN ...

Page 356: ...ircuit The filter circuit decreases the noise voltage and the noise electric field strength Rectifier Circuit The input current is rectified by D101 D104 and charges C106 to make DC voltage Then it supplies power to the converter circuit Kick on voltage circuit Bias is applied to the Q101 gate via this circuit when the AC power is turned on and Q101 begins operating 145 KX FB423CN ...

Page 357: ...s L D1 Load L Then the power is supplied to the Load When Q1 is ON power is not output from the secondary side The output voltage is fed back in the control IC according to the error amp rectifier Then depending on how TON is controlled stabilization occurs Also when the current load becomes too large in order to decrease the voltage output the increase in is controlled and the output voltage is s...

Page 358: ...oltage of the 24V circuit increases the current of the photo coupler PC101 increases the pulse width of the output control IC becomes narrower and the ON period of Q101 becomes shorter Over Current Limiter O C L The highest drain current Q101 is limited by a limiter circuit IC101 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases because the error det...

Page 359: ...sters of the 9 ICs are connected in series and upon the shift of the 1728 dot increment the shift register becomes filled with data and a latch pulse is emitted to each IC from IC501 pin 118 THLAT With this latch pulse all the contents of the shift registers are latched to the latch registers Thereafter through the addition of strobes from the IC501 pins 103 104 only the dot location of black 1 am...

Page 360: ...149 KX FB423CN ...

Page 361: ...ASF Copy Mode Fine only Printing speed changes with the ratio of the black portion of a document Ex 1st line is 50 or less of black portions 2st line is 50 or more of black portions 150 KX FB423CN ...

Page 362: ...Book Copy ASF Copy Except Fine mode RX printing 151 KX FB423CN ...

Page 363: ...8 REFERENCE MATERIALS DATA 8 1 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 152 KX FB423CN ...

Page 364: ...the foil by overheating Flux HI115 Specific gravity 0 863 Original flux should be replaced daily 8 2 2 FLAT PACKAGE IC REMOVAL PROCEDURE 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into the joint between the IC and its pins fi...

Page 365: ...g with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 8 2 4 BRIDGE MODIFICATION PROCEDURE 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below 154 KX FB423CN ...

Page 366: ...pplied and any malfunctions are analyzed In past experiences digital IC especially DRAM and ROM malfunctions are extremely rare after installation in the product This may be repaired by replacing the IC DRAM etc However the real cause may not have been an IC malfunction but a soldering fault instead Soldering faults difficult to detect with the naked eye are common particularly for ASIC and RA Res...

Page 367: ...8 3 1 NG EXAMPLE 156 KX FB423CN ...

Page 368: ...four permanent organizations of the International Telecommunications Union ITU investigates and make recommendations on international standards for facsimiles 2 Definition of Each Group Group I G1 Official A 4 size documents without using formats which reduce the band width of a signal are sent over telephone lines Determined in 1968 Transmission for about 6 minutes at a scanning line density of 3...

Page 369: ...ists of the following Control time This is time at the start of transmission when the functions at the sending and receiving sides are confirmed the transmission mode is established and transmission and reception are synchronized Image transmission time This is the time required for the transmission of document contents image data In general this time is recorded in the catalog etc Hold time This ...

Page 370: ... are comprised mainly of 8 bit identification signals and the data signals added to them Data signals are added to DIS and DCS signals Signal DIS Digital Identification Signal Identification Signal Format 00000001 Function Notifies the capacity of the receiving unit The added data signals are as follows Signal DCS Digital Command Signal Identification Signal Format X1000001 Example Some models do ...

Page 371: ...n line length of 255 mm 1 Invalid 19 20 0 0 0 1 1 0 1 1 Maximum recording length capability A4 297 mm Unlimited A4 297 mm and B4 364 mm Invalid Maximum recording length A4 297 mm Unlimited B4 364 mm Invalid 21 22 23 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 1 1 1 1 Minimum scan line time capability of the receiver 20 ms at 3 85 l mm T7 7 T3 85 40 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7 T3...

Page 372: ... automatic equalizer etc according to this signal TCF Training Check Sends 0 continuously for 1 5 seconds at the same speed as the training signal CFR Confirmation to Receive X0100001 Notifies the sending side that TCF has been properly received If TCF is not properly received FTT Failure To Train X0100010 is relayed to the sender The sender then reduces the transmission speed by one stage and ini...

Page 373: ...b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 162 KX FB423CN ...

Page 374: ...w level section input to pin 42 of ASIC IC501 on the digital board is read by ASIC and judged as a bell TEL LINE PC101 1 2 4 IC501 42 8 5 4 TAM INTERFACE CIRCUIT This circuit is to switch between FAX receiving and the external TAM s message recording automatically This circuit consists of line transformer multiplexer amplifier For details please refer TAM INTERFACE SECTION P 166 8 5 5 PULSE DIAL C...

Page 375: ... and enters IC511 pin 2 where the signal is amplified to about 24 8dB Then it is output from pin 1 of IC101 and transmitted to T101 via C125 R120 and R121 If the side tone circuit is not applied the transmission signal will return to the reception amplifier via C112 and R112 When the side tone circuit is active the signal output from IC101 pin 1 passes through C125 R123 C122 C115 and R115 and goes...

Page 376: ...when you are not holding the handset and can hear the caller s voice from the line 2 Signal path Refer to CHECK SHEET 8 6 1 2 HANDSET CIRCUIT 1 Function This circuit controls the conversation over the handset i e the transmitted and received voices to and from the handset 2 Signal path Transmission signal Refer to CHECK SHEET 3 Signal path Reception signal Refer to CHECK SHEET 8 6 1 3 MONITOR CIRC...

Page 377: ...fter the OGM of the external TAM is finished If the unit cannot detect the CNG signal for about 30 seconds the unit will disconnect the line C Attention 1 No sound detection lasts 20 seconds after the telephone call is received at the answering machine It switches to the facsimile Attention 2 When the answering machine cannot answer the telephone call because of disconnection or the recording tape...

Page 378: ...8 7 TEST CHART 8 7 1 ITU T No 1 TEST CHART 167 KX FB423CN ...

Page 379: ...8 7 2 ITU T No 2 TEST CHART 168 KX FB423CN ...

Page 380: ...9 FIXTURES AND TOOLS 169 KX FB423CN ...

Page 381: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 170 KX FB423CN ...

Page 382: ...10 2 UPPER ADF SECTION 171 KX FB423CN ...

Page 383: ...10 3 CONVERYOR BLOCK SECTION 172 KX FB423CN ...

Page 384: ...10 4 LOWER ADF SECTION 173 KX FB423CN ...

Page 385: ...10 5 UPPER PRINTER COVER SECTION AND PAPER TRAY SECTION 174 KX FB423CN ...

Page 386: ...10 6 LOWER PRINTER COVER SECTION 175 KX FB423CN ...

Page 387: ...10 7 PAPER PASS SECTION 176 KX FB423CN ...

Page 388: ...10 8 UPPER MAIN CABINET SECTION 177 KX FB423CN ...

Page 389: ...10 9 LOWER MAIN CABINET SECTION 178 KX FB423CN ...

Page 390: ...10 10 ACTUAL SIZE OF SCREWS 179 KX FB423CN ...

Page 391: ...11 ACCESSORIES AND PACKING MATERIALS 180 KX FB423CN ...

Page 392: ...POM HB 15 Not used 16 PFHE1019Z INSULATOR IMASEN FORM 12 1 2 CONVERYOR BLOCK SECTION Ref No Part No Part Name Description Remarks 31 PFUE1012Z1 COVER CONVEYOR EXIT PS HB 32 PFDN1056Z ROLLER EXIT 33 PFNPD052080 WASHER 34 PFDJ1056Z SPACER DRIVE ROLLER BUSH POM HB 35 PFDN1055Z ROLLER DRIVE 36 PFUS1340Z LEAF SPRING FEED PINCH ROLLER 37 PFJS03Q28Z CONNECTOR 3 PIN 38 PFDR1029Z ROLLER FEED PINCH POM HB 3...

Page 393: ...ame Description Remarks 192 PFHX1246Z COVER SCREW 193 PFHX1539Z COVER PROTECTION TONER SHEET PET UL 194 PFMH1105Z METAL PARTS PIVOT DOOR LOCK 195 PFHX1585Z COVER PROTECTION LOCK SHEET PET UL 196 PFHR1345Y1 KNOB STOPPER ABS HB 197 PFQT1959Z INDICATION LABEL CARRIAGE STOPPER 198 PFJS08Q41Z CONNECTOR 8 PIN 199 PFBX1174Y1 PUSH BUTTON COPY KEY ABS HB 200 PFBX1176X1 PUSH BUTTON NAVIGATOR KEY ABS HB 201 ...

Page 394: ...ORE 12 2 ACCESSORIES AND PACKING MATERIALS Ref No Part No Part Name Description Remarks A1 PFJA03A006X POWER CORD A2 PQJA10126Z CORD HANDSET Ref No Part No Part Name Description Remarks A3 PQJA10075Z CORD TELEPHONE A4 PFKS1074Z1 TRAY A4 SPACER PS HB A5 PFKS1078Z1 TRAY PAPER PS HB A6 PFKS1072Y1 TRAY REC PAPER STACKER PS HB A7 PFPE1251Z INK FILM A8 PFQX1915Z INSTRUCTION BOOK A9 PFQW2059Z LEAFLET QUI...

Page 395: ...H104ZFV 0 1 S C611 ECUV1H104ZFV 0 1 S C614 ECUV1H104ZFV 0 1 S Ref No Part No Part Name Description Remarks C618 ECUV1H102KBV 0 001 S C619 ECUV1H104ZFV 0 1 S C620 ECUV1H104ZFV 0 1 S C621 ECUV1H104ZFV 0 1 S C622 ECEA0JKA221 220 S C623 ECEA1CK101 100 S C625 ECEA1CK101 100 S C626 ECUV1H104ZFV 0 1 S C628 ECUV1H104ZFV 0 1 S C634 ECUV1H104ZFV 0 1 S C635 ECUV1H104ZFV 0 1 S C639 ECEA1HKA4R7 4 7 S C640 ECEA...

Page 396: ...44 ERJ3GEYJ222 2 2k R545 ERJ3GEYJ471 470 R548 ERJ3GEYJ103 10k R549 ERJ3GEYJ101 100 R550 ERJ3GEYJ103 10k R551 ERJ3GEYJ101 100 Ref No Part No Part Name Description Remarks R552 ERJ3GEYJ470 47 R553 ERJ3GEYJ105 1M R554 ERJ3GEYJ472 4 7k R555 PQ4R18XJ220 22 S R556 ERJ6GEYJ6R8 6 8 R557 ERJ3GEYJ181 180 R558 ERJ3GEYJ272 2 7k R559 ERJ3GEYJ103 10k R560 ERJ3GEYJ103 10k R561 ERJ3GEYJ472 4 7k R563 ERJ3GEYJ221 2...

Page 397: ...OR ARRAY SWITCH SW1 PFSH1A02Z SWITCH Ref No Part No Part Name Description Remarks CRYSTAL OSCILLATOR X501 PFVCCFS32Z CRYSTAL OSCILLATOR S X502 PFVBKB240ZAT CRYSTAL OSCILLATOR S X503 PFVC32256ZAT CRYSTAL OSCILLATOR S 12 4 ANALOG BOARD PARTS Ref No Part No Part Name Description Remarks PCB2 PFWP2FB423CN ANALOG BOARD ASS Y RTL ICs IC101 PQVINJM2904F IC S IC102 PQVIBA12003 IC S TRANSISTORS Q101 2SD181...

Page 398: ... 0 RELAY RLY101 PFSL003Z RELAY S Ref No Part No Part Name Description Remarks VARISTORS SA101 PQVDDSS301L VARISTOR SURGE ABSORBER S SA102 PFRZ001Z VARISTOR SURGE ABSORBER S ZNR101 ERZVA7D121 VARISTOR SWITCH SW101 PFSH1A011Z SWITCH TRANSFORMER T102 PFLT8E003 TRANSFORMER S 12 5 OPERATION BOARD PARTS Ref No Part No Part Name Description Remarks PCB3 PFLP1410CX A OPERATION BOARD ASS Y RTL ICs IC301 MN...

Page 399: ...1 PQJP7G30Z CONNECTOR S CN31 PQJP2D98Z CONNECTOR S FUSE F101 PQBA2153 15 FUSE S COIL L101 ELF15N005A COIL COMPONENTS PART L103 EXCELDR35 COMPONENTS PART Ref No Part No Part Name Description Remarks PHOTO ELECTRIC TRANSDUCER PC101 PFVIPC123 PHOTO COUPLER S RESISTORS R101 ERDS1J105 1M R102 ERDS2TJ334 330k R103 ERDS2TJ334 330k R104 ERG2SJ304 300k R105 ERX2SJR22 0 22 R106 ERG2SJ470 47 R107 ERG2SJ304 3...

Page 400: ...art No Part Name Description Remarks PCB9 PFLP1448MZ E SCAN MOTOR DRIVER BOARD ASS Y RTL IC IC500 PFVIT2003APS IC S DIODE D500 MA7160 DIODE CONNECTORS CN509 PQJP6G30Y CONNECTOR 6P S CN510 PQJP5G30Y CONNECTOR 5P S 12 12 FIXTURES AND TOOLS Ref No Part No Part Name Description Remarks EC1 PQZZ2K12Z EXTENSION CORD 2 PIN EC2 PQZZ4K5Z EXTENSION CORD 4 PIN EC3 PQZZ4K5Z EXTENSION CORD 4 PIN EC4 PQZZ8K18Z ...

Page 401: ...632 R598 R602 C518 R533 R556 Q513 C522 C515 C519 R522 R523 C509 Q510 R687 Q524 R591 R594 R671 R667 L559 R670 R669 R668 R664 R665 R585 R729 R587 C579 C571 L547 L545 R666 R644 R597 C584 C580 C581 C524 R583 L546 R569 C563 L554 C572 R577 R568 R732 C561 C562 R579 R580 R590 R589 C587 R645 C585 Q515 C582 R586 R584 R576 L553 L522 C603 R506 R505 R507 R503 R762 R684 R683 R504 C679 R704 R703 R702 R600 Q511 C...

Page 402: ...R663 C646 R662 C605 R728 R658 R657 R599 L544 R765 R764 R539 R541 R543 R554 R538 R540 R542 R680 C652 R681 C681 C680 R548 R550 C630 C629 L507 R746 R747 R748 R749 R750 R672 C654 R751 R752 R753 C543 C658 C682 C542 C657 C526 R659 R526 Q505 C608 C610 C531 R529 C609 C544 C533 C536 C537 C634 C538 C529 R616 C517 C635 C621 C514 R621 R537 C525 C523 R631 R705 C626 Q518 R622 L526 D505 L532 E R559 L558 R566 C60...

Page 403: ...C136 C103 C102 CN101 CN105 J117 J118 J107 J119 J120 C125 R120 R121 J106 J108 L114 C126 J123 14 E Q107 C153 C156 L112 J105 C152 C151 SA102 C155 R160 C157 ZNR101 D108 1 12 1 D102 D101 PC106 R154 PC104 PC103 J110 J111 J112 J113 J114 J115 J116 T102 T101 SW101 J122 J121 PCB CH AUTO CH J104 D103 CN106 IC102 D112 J102 J101 L101 RLY101 PFUP1278ZA KX FB423CN ANALOG BOARD COMPONENT VIEW KX FB423CN 192 ...

Page 404: ... R148 R143 C143 J125 R167 J124 R141 C141 C129 R129 R142 R139 R140 R111 C140 Q106 Q108 Q110 Q101 Q109 Q102 R161 L104 L102 L103 LINE EXT TEL R162 C158 R130 C114 C112 IC101 C113 C128 R113 C127 C161 R128 R129 C120 C121 C124 R124 C123 R123 R125 C122 R122 R118 Q105 Q104 R127 C115 C116 R116 C119 R114 R112 R126 R115 C159 C154 C106 R156 R155 R157 R158 R163 PC103 4 1 PC104 4 8 5 4 1 1 D109 R152 C160 PC106 4...

Page 405: ...J309 J310 CN301 MENU 1 2 3 REDIAL PAUSE 6 MUTE FLASH HELP S1 COPY START STOP RESOLUTION S2 S3 S4 SP PHONE 9 5 8 0 4 7 NEW MESS PFUP1279ZA A PFUP1279ZA B A B C D E F G a b c d A B C 1 2 3 4 5 6 7 8 9 A B C 1 0 RED D301 C334 R334 C333 R335 C332 R333 R336 R331 Q301 R332 BLACK 2 3 4 5 6 7 8 9 A D 1 0 2 3 4 5 6 7 8 9 B C CN301 1 1 10 8 34 44 1 IC301 11 12 22 10 1 23 33 J321 R316 R302 C321 C301 C309 C30...

Page 406: ...206 C204 R222 R225 C222 VR201 R223 C110 C122 IC101 C109 C121 R125 D107 D106 IC202 COMPONENT VIEW BOTTOM VIEW KX FB423CN POWER SUPPLY BOARD SECONDARY PRIMARY CAUTION SRF1258EK T3 15AH 250V CN31 TH101 C106 ZNR101 L101 IC101 C109 C110 C206 C204 D202 R108 PC101 IC201 VR201 K R A ONLY WITH SAME TYPE AND RATINGS OF FUSE F101 R101 C101 F101 D104 D103 R103 L103 R105 D106 D105 D108 R106 T101 R107 R109 R104...

Page 407: ... RELAY BOARD PCB5 COMPONENT VIEW PF SENSOR BOARD PCB6 ADF RELAY BOARD PCB5 BOTTOM VIEW CIS RELAY BOARD PCB7 COMPONENT VIEW CIS SENSOR BOARD PCB8 SCAN MOTOR DRIVER BOARD PCB9 CIS RELAY BOARD PCB7 BOTTOM VIEW PS502 CN506 CN505 CN504 J507 J508 PCB CH CN507 PFUP1259YA C 1 1 4 1 1 3 10 10 A B C D E F G R502 R501 C502 C501 PS503 CN508 PCB CH PFUP1259YA D 3 1 A B C D E F G PFUP1259YA E IC500 CN509 CN510 ...

Page 408: ...DIAGRAMS Note 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams and circuit board may be modified at any time with the development of new technology 3 197 KX FB423CN ...

Page 409: ...198 KX FB423CN ...

Page 410: ...15 SCHEMATIC DIAGRAM 15 1 DIGITAL BOARD PCB1 KX FB423CN 199 ...

Page 411: ...15 2 ANALOG BOARD PCB2 KX FB423CN 200 ...

Page 412: ... SW309 7 SW310 9 SW311 PRINT REPORT SW312 5 SW313 SW315 8 SW316 MENU SW319 SW320 0 SW323 START SW324 SW325 SP PHONE SW327 S2 SW328 COPY SW329 AUTO ANSWER SW331 RECORD NC SW332 S4 SW333 S3 SW334 SW340 STOP R306 2 2K R307 820 C320 NC R334 R332 D301 C333 R336 R331 C331 Q301 C332 5V R335 C334 R333 5V R311 NC LED302 R312 5V SW308 3 SW306 1 SW321 ERASE NC SW303 REDIAL PAUSE SW302 MUTE SW301 2 SW314 SW32...

Page 413: ...50V L N CN31 1 GND R127 PC101 C124 0 1 1 8K C101 0 22 F101 SA250V D104 R105 0 22 2 R124 180 C121 4700p 4 5 3 6 2 7 1 8 R122 330 R125 10K D107 IC101 D108 R108 15 IC202 R109 10 Q101 G R104 R107 300K 2 300K 2 T101 TRANS D201 1 24V 2 24V 3 24V 4 GND CN301 5 GND 6 GND 7 5V C202 1000p 1K D202 C206 C110 C221 0 1 25 1000p 1K 2200p R223 IC201 C205 1 50 100 D S R203 0 C204 47 35 TH101 KX FB423CN POWER SUPPL...

Page 414: ...SON 4 CISSEL 5 DPISEL 6 FTG 7 GND 8 F1 9 GLED 10 VLED CN507 10 SIG 9 GND 8 CISON 7 CISSEL 6 DPISEL 5 FTG 4 GND 3 F1 2 GLED 1 VLED PS502 1 2 4 3 CN506 1 LED 2 SIG 3 GND CN504 1 LED 2 CISPOS0 3 CISPOS1 4 GND C501 150p C502 150p R501 0 R502 0 TO CIS TO DIGITAL TO DIGITAL ADF HOME CIS RELAY BOARD PCB7 PS503 1 2 4 3 CN508 3 LED 2 SIG 1 GND FB HOME CIS SENSOR BOARD PCB8 IC500 1 2 3 4 5 6 7 8 GND 9 10 11...

Page 415: ...204 KX FB423CN Y KXFB423CN ...

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