Ricoh FT5535 Service Manual page 18

11. OTHERS ........................................................................... 5-66
11.1 MAIN CONTROL BOARD REPLACEMENT ............................5-66
11.2 AC POWER SUPPLY BOARD REPLACEMENT .....................5-67
11.3 DC POWER SUPPLY BOARD REPLACEMENT .....................5-68
11.4 CB HIGH VOLTAGE SUPPLY BOARD REPLACEMENT .......5-69
11.5 T HIGH VOLTAGE SUPPLY BOARD REPLACEMENT ..........5-70
6. TROUBLESHOOTING
3. COPY QUALITY ................................................................... 6-1
3.1 INTRODUCTION............................................................................6-1
3.2 BLANK COPY (WHITE COPY) ....................................................6-2
3.3 DIRTY BACKGROUND.................................................................6-5
3.4 UNEVEN IMAGE DENSITY ..........................................................6-9
3.5 VERTICAL BLACK BANDS .......................................................6-10
3.6 VERTICAL BLACK LINES .........................................................6-11
3.7 VERTICAL WHITE LINES OR BANDS-1
(DULL OR BLURRED) ..............................................................6-12
3.8 VERTICAL WHITE LINES OR BANDS-2
(THIN, DISTINCT) ......................................................................6-13
3.9 HORIZONTAL BLACK/WHITE LINES ......................................6-14
3.10 SKEWED (OPTICAL) COPY IMAGE .......................................6-15
3.11 TONER DENSITY TOO HIGH ..................................................6-16
3.12 TONER DENSITY TOO LOW ...................................................6-18
3.13 TONER SCATTERING .............................................................6-20
3.14 UNFUSED COPY .....................................................................6-21
3.15 A HORIZONTAL THIN LINE APPEARING
CLOSE TO THE LEADING EDGE ...........................................6-22
3.16 CREASING AFTER FUSING ....................................................6-22
3.17 Z-FOLDED COPY OR LEADING EDGE
REGISTRATION VARIES.........................................................6-22
4. TONER SUPPLY CONTROL ............................................ 6-23
3. SERVICE CALL CONDITIONS.......................................... 6-26
FSM
CÓPIA NÃO CONTROLADA
vii
CÓPIA NÃO CONTROLADA
Rev. 7/95
A156/A160/A162