15 March 1987
DEFECTIVE SENSOR TABLE
No.
Name
Condition
Problem
S1 Lens Home Position
S2 Pulse Generator
S3 Toner End
S4 Manual Feed
S5 Color Toner
S6 First Paper End
S7 Second Paper End
Open
Short
Open
Short
Open
Short
Open
Short
Open
Short
Open
Short
Open
Short
Lights SC NO. 29 when the main
switch is turned on.
Lights SC No. 28 when the main
switch is turned on.
Lights SC No. 61 during the copy
cycle.
Same as open condition.
The CPU never detects toner end
condition.
Lights “Add Toner” indicator even
when enough toner is present.
Lights “Manual Feed” indicator even
when the manual feed table is
closed.
Never lights “Manual Feed”
indicator and the manual feed mode
does not works.
“Color Toner” does not turn on when
there is a color development unit in
the machine.
Lights “Color Toner” indicator when
the main switch is turned on.
Lights “Load Paper” indicator even
when paper is present.
Never lights “Load Paper” indicator
even when paper is not present.
Same as S6.
Same as S6.
9-30
Содержание FT4480
Страница 1: ...FT4480 F I E L D S E R V I C E M A N U A L RICOH COMPANY LTD ...
Страница 4: ...SECTION 1 INSTALLATION ...
Страница 26: ...SECTION 2 SERVICE TABLES ...
Страница 48: ...SECTION 3 REPLACEMENT AND ADJUSTMENT ...
Страница 140: ...SECTION 4 ELECTRICAL DATA ...
Страница 142: ...4 PAPER FEED CONTROL BOARD SCHEMATIC 15 March 87 A 0 0 9 ...
Страница 143: ...5 DC POWER SUPPLY BOARD SCHEMATIC ...
Страница 144: ...9 SORTER CONTROL BOARD SCHEMATIC 15 March 87 A 0 0 9 ...
Страница 145: ...10 LCT CONTROL BOARD SCHEMATIC Main Control ...
Страница 146: ...SECTION 5 DOCUMENT FEEDER ...
Страница 171: ...SECTION 6 SORTER ...
Страница 181: ...SECTION 7 LARGE CAPACITY TRAY ...
Страница 195: ...SECTION 8 EDITOR BOARD ...
Страница 204: ...S E C T I O N 9 ...
Страница 237: ...RICOH FT4480 A009 PARTS CATALOG First Edition May 1987 RICOH COMPANY LTD ...
Страница 239: ...1 EXTERIOR A009 May 1 87 ...
Страница 241: ...2 REGISTRATION AND 3RD PAPER FEED A009 May 1 87 4 ...
Страница 243: ...3 PLATEN COVER AND CASSETTE A009 May 1 87 6 ...
Страница 245: ...4 1ST AND 2ND PAPER FEED A009 May 1 87 8 ...
Страница 247: ...5 3RD PAPER LIFT A009 May 1 87 10 ...
Страница 249: ...6 CASSETTE TRAY A009 May 1 87 12 ...
Страница 251: ...7 FRAME A009 May 1 87 14 ...
Страница 253: ...8 OPTICS 1 A009 May 1 87 16 ...
Страница 255: ...9 OPTICS 2 A009 May 1 87 18 ...
Страница 257: ...10 AROUND DRUM A009 May 1 87 20 ...
Страница 259: ...11 CLEANING UNIT A009 May 1 87 22 ...
Страница 261: ...12 DEVELOPMENT UNIT A009 May 1 87 ...
Страница 263: ...13 DRIVE SECTION A009 May 1 87 26 ...
Страница 265: ...14 PAPER TRANSPORT A009 May 1 87 28 ...
Страница 267: ...15 FUSING UNIT A009 May 1 87 30 ...
Страница 269: ...16 PAPER EXIT A009 May 1 87 ...
Страница 271: ...17 ELECTRICAL SECTION 1 A009 May 1 87 34 ...
Страница 273: ...18 ELECTRICAL SECTION 2 A009 May 1 87 36 ...
Страница 275: ...19 MAIN BOARD A009 May 1 87 3 8 ...
Страница 277: ...20 DC POWER SUPPLY BOARD A009 May 1 87 40 ...
Страница 279: ...21 FUSING LAMP DRIVE BOARD A009 May 1 87 42 ...
Страница 281: ...22 POWER RELAY BOARD A009 May 1 87 ...
Страница 283: ...23 PAPER FEED CONTROL BOARD A009 May 1 87 46 ...
Страница 285: ...24 AC MAIN HARNESS A009 May 1 87 48 ...
Страница 287: ...25 DC MAIN HARNESS A009 May 1 87 50 ...
Страница 289: ...26 HARNESS 3RD FEED A009 May 1 87 52 ...
Страница 291: ...27 FUSING UNIT HARNESS A009 5 4 ...
Страница 293: ...28 CONTROL HARNESS A009 May 1 87 5 6 ...
Страница 295: ...29 HARNESS PAPER FEED A009 May 1 87 5 8 ...
Страница 297: ...30 SPECIAL TOOL A009 May 1 87 60 ...
Страница 299: ...PARTS INDEX 63 ...
Страница 322: ...CS2070 A414 ...
Страница 323: ...l Mini Sorter A414 2 2 Bin Motor Board A414 4 3 Sorter Harness A414 6 Parts Index 9 1 ...
Страница 324: ...1 MINI SORTER A414 May 1 87 2 ...
Страница 326: ...2 BIN MOTOR BOARD A414 May 1 87 4 ...
Страница 328: ...3 SORTER HARNESS A414 May 1 87 6 ...
Страница 330: ...PARTS INDEX 9 ...
Страница 334: ...DF39 A419 ...
Страница 336: ...1 DOCUMENT FEEDER I A419 May 1 87 2 ...
Страница 338: ...2 DOCUMENT FEEDER II A419 May 1 87 4 ...
Страница 340: ...3 DOCUMENT FEEDER Ill A419 May 1 87 6 ...
Страница 342: ...4 DF MAIN BOARD A419 May 1 87 8 ...
Страница 344: ...5 DF HARNESS A419 May 1 87 10 ...
Страница 346: ...PARTS INDEX 13 ...
Страница 353: ...RT15 A912 ...
Страница 354: ...1 LCT I A912 2 2 LCT II A912 4 3 LCT III A912 6 4 LCT Board A919 8 5 LCT Harness A912 10 Parts Index 13 1 ...
Страница 355: ...1 LCT A912 May 1 87 2 ...
Страница 357: ...2 L C T A 9 1 2 May 1 87 4 ...
Страница 359: ...3 LCT Ill A912 May 1 87 ...
Страница 361: ...4 LCT BOARD A912 May 1 87 8 ...
Страница 363: ...5 LCT HARNESS A912 May 1 87 10 ...
Страница 365: ...PARTS INDEX 13 ...