4
1 GENERAL PRECAUTIONS
1.1.
Safety Precautions
1. Before servicing, unplug the power cord to prevent electrical shock hazard.
2. When replacing parts, use only manufacture’s recommended components for safety.
3. Check the condition of power cord. Replace if wear or damage is evident.
4. After servicing, be sure to restore the wire dressing, insulation barriers, insulation papers, shields, etc.
5. Before returning the serviced equipment to the customer, perform the following electrical tests to prevent shock hazard.
6. The power supply unit in this scanner contains dangerous levels energy.
1.2.
Electrical Tests
1. Unplug the power cord and check for continuity between the earth ground connection on the plug and the metal cabinet.
There should be zero ohm resistance found.
2. With the unit unplugged, short the AC Live-Neutral of the plug with a jumper wire.
3. Turn ON the power switch.
4. Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metal cabinet part, such
as screwheads, etc.
Note
Some exposed parts may be isolated from the chassis by design. They read infinity.
5. If the measurement is less than 1 M
Ω
, there may be a danger of electric shock.
Note
This hazardous condition must be corrected before the unit is returned to the end user.
1.3.
Standard for Repair Service
Repair service shall be provided in accordance with repair technology information such as service manual
so as to prevent fires, injury or electric shock, which can be caused by improper repair work.
1. When performing repairs, neither the products nor its parts or components shall be modified.
2. If cable assembly is supplied as the smallest unit when servicing, make sure to replace
the cable assembly.
Содержание KV-S5055C
Страница 3: ...3 15 17 DRIVE Board 244 15 18 POWER Board 247 ...
Страница 8: ...8 3 COMPONENT IDENTIFICATION 3 1 Main Part Names and Locations ...
Страница 9: ...9 ...
Страница 12: ...12 4 2 Included Accessories Confirm that the following items are included with the scanner ...
Страница 22: ...22 5 SECTIONAL VIEW 5 1 Bottom Block ...
Страница 23: ...23 5 2 Back Block ...
Страница 24: ...24 5 3 Upper Block ...
Страница 25: ...25 5 4 Lower Block 5 4 1 Mechanical Parts ...
Страница 26: ...26 5 4 2 Boards ...
Страница 37: ...37 Fig 7 2 2 2 Cleaning Position 1 Rollers ...
Страница 39: ...39 Fig 7 2 2 4 Cleaning Position 3 Reflector Sheets ...
Страница 44: ...44 ...
Страница 45: ...45 ...
Страница 68: ...68 4 While releasing the holder s 3 claws pull out the Ionizer Board ...
Страница 92: ...92 ...
Страница 118: ...118 ...
Страница 119: ...119 ...
Страница 120: ...120 ...
Страница 191: ...191 13 17 2 Back Side 1 6 1 6 1 11 1 2 33 34 1 10 1 4 1 2 1 3 4 1 4 1 2 1 19 18 2 1 19 18 2 1 CL4001 CL4003 CL4002 ...
Страница 196: ...196 14 PARTS LOCATION AND MECHANICAL PARTS LIST ...
Страница 197: ...197 14 1 Exterior ...
Страница 199: ...199 14 2 Main Chassis 1 ...
Страница 201: ...201 14 3 Main Chassis 2 ...
Страница 204: ...204 14 4 Sub Chassis 1 ...
Страница 206: ...206 499 XTW3 6LFJ Screw 644 XYN3 J6FJ Screw Safety Ref No Part No Part Name Description Remarks ...
Страница 207: ...207 14 5 Sub Chassis 2 ...
Страница 209: ...209 14 6 Board Box ...
Страница 211: ...211 14 7 Packing ...
Страница 214: ...214 15 REPLACEMENT PARTS LIST ...