5
KX-MB2085CXW/KX-MB2090CXW
1 Safety Precautions
1. Before servicing, unplug the AC power cord to prevent an electric shock.
2. When replacing parts, use only the manufacturer's recommended components.
3. Check the condition of the power cord. Replace if wear or damage is evident.
4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
5. Before returning the serviced equipment to the customer, be sure to perform the following insulation resistance test to prevent
the customer from being exposed to shock hazards.
1.1.
For Service Technicians
•
Repair service shall be provided in accordance with repair technology information such as service manual so as to pre-
vent fires, injury or electric shock, which can be caused by improper repair work.
1. When repair services are provided, neither the products nor their parts or members shall be remodeled.
2. If a lead wire assembly is supplied as a repair part, the lead wire assembly shall be replaced.
3. FASTON terminals shall be plugged straight in and unplugged straight out.
•
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic part's boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch the IC or LSI pins with bare fingers.
1.2.
AC Caution
For safety, before closing the lower cabinet, please make sure of the following precautions.
1. The earth lead is fixed with the screw.
2. The AC connector is connected properly.
Summary of Contents for KX-MB2085CXW
Page 44: ...44 KX MB2085CXW KX MB2090CXW 6 11 LSU Laser Scanning Unit Section ...
Page 45: ...45 KX MB2085CXW KX MB2090CXW ...
Page 53: ...53 KX MB2085CXW KX MB2090CXW 6 12 9 2 Drum Detection ...
Page 60: ...60 KX MB2085CXW KX MB2090CXW ...
Page 80: ...80 KX MB2085CXW KX MB2090CXW KX MB2090 ...
Page 81: ...81 KX MB2085CXW KX MB2090CXW Note The above values are the default values ...
Page 112: ...112 KX MB2085CXW KX MB2090CXW 12 3 7 6 Light Print CROSS REFERENCE High Voltage Section P 152 ...
Page 114: ...114 KX MB2085CXW KX MB2090CXW 12 3 8 2 The Recording Paper Is Waved or Wrinkled ...
Page 115: ...115 KX MB2085CXW KX MB2090CXW 12 3 8 3 Skew ...
Page 117: ...117 KX MB2085CXW KX MB2090CXW 12 3 8 5 The Recording Paper Jam ...
Page 126: ...126 KX MB2085CXW KX MB2090CXW ...
Page 128: ...128 KX MB2085CXW KX MB2090CXW ...
Page 129: ...129 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 130: ...130 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 131: ...131 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 132: ...132 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 133: ...133 KX MB2085CXW KX MB2090CXW ...
Page 134: ...134 KX MB2085CXW KX MB2090CXW ...
Page 135: ...135 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 144: ...144 KX MB2085CXW KX MB2090CXW 12 3 15 Motor Section 12 3 15 1 Engine Motor ...
Page 148: ...148 KX MB2085CXW KX MB2090CXW 12 3 17 CIS Control Section ...
Page 149: ...149 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 151: ...151 KX MB2085CXW KX MB2090CXW ...
Page 152: ...152 KX MB2085CXW KX MB2090CXW 12 3 19 High Voltage Section 1 Main ...
Page 153: ...153 KX MB2085CXW KX MB2090CXW 2 CHG GRID ...
Page 154: ...154 KX MB2085CXW KX MB2090CXW 3 TRA ...
Page 155: ...155 KX MB2085CXW KX MB2090CXW 3 DEV DC ...
Page 156: ...156 KX MB2085CXW KX MB2090CXW TRA ...
Page 158: ...158 KX MB2085CXW KX MB2090CXW 2 Confirmation of the main unit ...
Page 160: ...160 KX MB2085CXW KX MB2090CXW Waveform of normal operation ...
Page 162: ...162 KX MB2085CXW KX MB2090CXW 2 When 100Base TX enabled deviced is connected ...
Page 163: ...163 KX MB2085CXW KX MB2090CXW 3 When 10Base T enabled device is connected ...
Page 168: ...168 KX MB2085CXW KX MB2090CXW 12 3 23 2 Troubleshooting Flow Chart ...
Page 171: ...171 KX MB2085CXW KX MB2090CXW 13 Service Fixture Tools ...
Page 173: ...173 KX MB2085CXW KX MB2090CXW 14 1 Bottom Section 14 2 Left Side Section ...
Page 174: ...174 KX MB2085CXW KX MB2090CXW 14 3 Operation Panel Section 14 4 Open Top Cover ...
Page 175: ...175 KX MB2085CXW KX MB2090CXW 14 5 Remove Operation Panel 14 6 Remove Operation Board ...
Page 176: ...176 KX MB2085CXW KX MB2090CXW 14 7 Remove Main Board ...
Page 177: ...177 KX MB2085CXW KX MB2090CXW 14 8 Remove Gear Chassis Section ...
Page 178: ...178 KX MB2085CXW KX MB2090CXW 14 9 Remove Right Cover 14 10 Remove Right Cassette Guide ...
Page 179: ...179 KX MB2085CXW KX MB2090CXW 14 11 Remove Bottom Plate 14 12 Remove Laser Unit ...
Page 180: ...180 KX MB2085CXW KX MB2090CXW 14 13 Remove Pick up Roller ...
Page 181: ...181 KX MB2085CXW KX MB2090CXW 14 14 Remove Low Voltage Power Board 14 15 Remove Mirror ...
Page 200: ...200 KX MB2085CXW KX MB2090CXW 15 6 1 NG Example ...
Page 201: ...201 KX MB2085CXW KX MB2090CXW 15 7 Test Chart 15 7 1 ITU T No 1 Test Chart ...
Page 202: ...202 KX MB2085CXW KX MB2090CXW 15 7 2 ITU T No 2 Test Chart ...
Page 257: ...Information The extract from an Operating Instructions ...