15 MARCH 1987
- Charge Corona -
1.
2.
3.
4.
5.
Clean the corona wires with a dry cloth or by sliding the corona unit
in and out. Do not use emery paper or any solvent for wire cleaning.
Do not touch the corona wires with oily hands. Oil stains may cause
white bands on copies.
Make sure that the corona wires are correctly positioned between the
cleaner pads and there are no threads on the casing.
When adjusting the drum current, always make sure that the axis of
drum shoe is aligned with the corona wire.
The corona wire height should be adjusted only when:
a) The front end block is replaced.
b) The drum charge current is uneven.
- Optics -
1.
2.
3.
4.
5.
6.
Do not adjust the following parts:
a. Scanner Guide Plate
b. Fourth Mirror Angle Adjusting Screw
c. Lens Home Position Sensor
d. Lens unit rails
The lens home position sensor does not have a convenient adjusting
procedure. When replacing the sensor, mark the position of the sensor
bracket before removing it, and adjust the fine position of the sensor
by checking the copy image (horizontal magnification and focus).
Do not bend or damage the lens support plate or the mylar strip.
Launa oil or an equivalent oil should be used
following:
• Scanner Guide Rod (cleaning)
• Scanner Guide Rod Pads (Lubrication)
• Scanner Guide Plate (Lubrication/Cleaning)
CAUTION: Do not use any other kind of oil.
to lubricate or clean the
Clean the exposure glass with glass cleaner and a dry cloth to
reduce static electricity on the glass.
Clean the mirrors with water or silicone cloth only.
2-15
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 ...