MASTER FEED
C249 3-20
SM
3.6.8 MASTER EDGE SENSOR ADJUSTMENT
Ensures that the sensor detects the leading edge of the master.
Standard: 2.0 volts (within “+0.1” and “-0.1”volts)
Tools: Circuit tester
•
Rear cover (
!
3.3.2)
1. Connect the terminals of a circuit tester to TP103 and a grounded place (e.g.
iron base)
2. Connect the power plug, and turn on the main switch to access SP mode.
3. Select SP6-51 (Master edge sensor voltage).
4. Remove the lower master tray.
5. Pull out the master-making unit from the machine and open the master set
cover.
6. Insert the leading edge of the master under the master tension roller, then
close the master set cover and reinstall the master-making unit to the machine.
7. Measure the voltage, and turn VR103 so that the value becomes between “-
0.1” and “+0.1” volts from the standard value (2.0 volts).
NOTE:
When the value of the voltage does not become the standard value, adjust
the threshold level of the master edge sensor. (SP6-51 : Master edge
sensor voltage)
Standard Value
Master being
Threshold level (SP6-51)
Standard Value
Master nothing
2.0
±
0.1V
2.8V Above
3.3V
C249R133.WMF
Summary of Contents for C249
Page 1: ...C249 C264 SERVICE MANUAL 001780MIU...
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Page 18: ...C249 C264 vi SM PRINTER SCANNER C624 SEE SECTION C624 FOR DETAILED TABLE OF CONTENTS...
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Page 21: ...INSTALLATION...
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Page 45: ...PREVENTIVE MAINTENANCE...
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Page 49: ...REPLACEMENT AND ADJUSTMENT...
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Page 97: ...TROUBLESHOOTING...
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Page 115: ...SERVICE TABLES...
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Page 145: ...DETAILED DESCRIPTIONS...
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Page 209: ...SPECIFICATIONS...
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Page 215: ...C264...
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Page 239: ...INSTALLATION PROCEDURE SM 1 13 C264 C264 Installation Procedure 1 Remove the strips of tape...
Page 261: ...SCANNER SM 3 5 C264 C264 B SBU x 1 x 5 C Lamp stabilizer x 2 x 5 B C...
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Page 358: ...MECHANISM OVERVIEW C267 6 4 SM 62 60 61 64 65 66 67 63 69 70 68 71 72...
Page 409: ...TIMING CHART SM 6 55 C264 C264 6 11 TIMING CHART 6 11 1 MASTER EJECTION...
Page 425: ...DOCUMENT FEEDER C600...
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Page 447: ...PRINTER CONTROLLER C624 SERVICE MANUAL PARTS CATALOG...
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Page 483: ...C624 PARTS CATALOG...
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