15 MARCH 1987
- EXPOSURE LAMP REPLACEMENT -
CAUTION:
Do not touch the reflector [A] or the new exposure lamp with your bare
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2.
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4.
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hands. Use a strip of paper as shown. (Finger oil marks on the lamp or
reflectors will be affected by the heat and will result in discoloration.)
Turn off the main switch.
Remove the exposure glass. (See Exposure Glass Removal.)
Move the first scanner to the position where the rear frame [B] is cut
out.
Remove the front terminal cover [C] (1 screw) and the reflector
cover [D] (2 screws) after unhooking the fiber optics cables.
Wrap a strip of paper around the exposure lamp [E] as shown.
Press the release lever [F] on the rear lamp terminal as shown and
take out the lamp.
Install a new lamp using a strip of paper. (Set the front terminal first.)
NOTE: The blister [G] on the lamp must point towards the opening of the
reflector as shown.
Reassemble the 1st scanner.
NOTE: When reinstalling the front terminal cover, be careful not to damage the
fiber optics cable.
Check the exposure lamp position, the light intensity and auto ID
sensor. (See Exposure Lamp Position, Light Intensity and Auto ID
Sensor Adjustments.)
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Summary of Contents for FT4480
Page 1: ...FT4480 F I E L D S E R V I C E M A N U A L RICOH COMPANY LTD ...
Page 4: ...SECTION 1 INSTALLATION ...
Page 26: ...SECTION 2 SERVICE TABLES ...
Page 48: ...SECTION 3 REPLACEMENT AND ADJUSTMENT ...
Page 140: ...SECTION 4 ELECTRICAL DATA ...
Page 142: ...4 PAPER FEED CONTROL BOARD SCHEMATIC 15 March 87 A 0 0 9 ...
Page 143: ...5 DC POWER SUPPLY BOARD SCHEMATIC ...
Page 144: ...9 SORTER CONTROL BOARD SCHEMATIC 15 March 87 A 0 0 9 ...
Page 145: ...10 LCT CONTROL BOARD SCHEMATIC Main Control ...
Page 146: ...SECTION 5 DOCUMENT FEEDER ...
Page 171: ...SECTION 6 SORTER ...
Page 181: ...SECTION 7 LARGE CAPACITY TRAY ...
Page 195: ...SECTION 8 EDITOR BOARD ...
Page 204: ...S E C T I O N 9 ...
Page 237: ...RICOH FT4480 A009 PARTS CATALOG First Edition May 1987 RICOH COMPANY LTD ...
Page 239: ...1 EXTERIOR A009 May 1 87 ...
Page 241: ...2 REGISTRATION AND 3RD PAPER FEED A009 May 1 87 4 ...
Page 243: ...3 PLATEN COVER AND CASSETTE A009 May 1 87 6 ...
Page 245: ...4 1ST AND 2ND PAPER FEED A009 May 1 87 8 ...
Page 247: ...5 3RD PAPER LIFT A009 May 1 87 10 ...
Page 249: ...6 CASSETTE TRAY A009 May 1 87 12 ...
Page 251: ...7 FRAME A009 May 1 87 14 ...
Page 253: ...8 OPTICS 1 A009 May 1 87 16 ...
Page 255: ...9 OPTICS 2 A009 May 1 87 18 ...
Page 257: ...10 AROUND DRUM A009 May 1 87 20 ...
Page 259: ...11 CLEANING UNIT A009 May 1 87 22 ...
Page 261: ...12 DEVELOPMENT UNIT A009 May 1 87 ...
Page 263: ...13 DRIVE SECTION A009 May 1 87 26 ...
Page 265: ...14 PAPER TRANSPORT A009 May 1 87 28 ...
Page 267: ...15 FUSING UNIT A009 May 1 87 30 ...
Page 269: ...16 PAPER EXIT A009 May 1 87 ...
Page 271: ...17 ELECTRICAL SECTION 1 A009 May 1 87 34 ...
Page 273: ...18 ELECTRICAL SECTION 2 A009 May 1 87 36 ...
Page 275: ...19 MAIN BOARD A009 May 1 87 3 8 ...
Page 277: ...20 DC POWER SUPPLY BOARD A009 May 1 87 40 ...
Page 279: ...21 FUSING LAMP DRIVE BOARD A009 May 1 87 42 ...
Page 281: ...22 POWER RELAY BOARD A009 May 1 87 ...
Page 283: ...23 PAPER FEED CONTROL BOARD A009 May 1 87 46 ...
Page 285: ...24 AC MAIN HARNESS A009 May 1 87 48 ...
Page 287: ...25 DC MAIN HARNESS A009 May 1 87 50 ...
Page 289: ...26 HARNESS 3RD FEED A009 May 1 87 52 ...
Page 291: ...27 FUSING UNIT HARNESS A009 5 4 ...
Page 293: ...28 CONTROL HARNESS A009 May 1 87 5 6 ...
Page 295: ...29 HARNESS PAPER FEED A009 May 1 87 5 8 ...
Page 297: ...30 SPECIAL TOOL A009 May 1 87 60 ...
Page 299: ...PARTS INDEX 63 ...
Page 322: ...CS2070 A414 ...
Page 323: ...l Mini Sorter A414 2 2 Bin Motor Board A414 4 3 Sorter Harness A414 6 Parts Index 9 1 ...
Page 324: ...1 MINI SORTER A414 May 1 87 2 ...
Page 326: ...2 BIN MOTOR BOARD A414 May 1 87 4 ...
Page 328: ...3 SORTER HARNESS A414 May 1 87 6 ...
Page 330: ...PARTS INDEX 9 ...
Page 334: ...DF39 A419 ...
Page 336: ...1 DOCUMENT FEEDER I A419 May 1 87 2 ...
Page 338: ...2 DOCUMENT FEEDER II A419 May 1 87 4 ...
Page 340: ...3 DOCUMENT FEEDER Ill A419 May 1 87 6 ...
Page 342: ...4 DF MAIN BOARD A419 May 1 87 8 ...
Page 344: ...5 DF HARNESS A419 May 1 87 10 ...
Page 346: ...PARTS INDEX 13 ...
Page 353: ...RT15 A912 ...
Page 355: ...1 LCT A912 May 1 87 2 ...
Page 357: ...2 L C T A 9 1 2 May 1 87 4 ...
Page 359: ...3 LCT Ill A912 May 1 87 ...
Page 361: ...4 LCT BOARD A912 May 1 87 8 ...
Page 363: ...5 LCT HARNESS A912 May 1 87 10 ...
Page 365: ...PARTS INDEX 13 ...