Savin 4027 Manuale di Servizio Scaricare il pdf (Pagina 18)

100

101

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

Rev. 7/95

FSM vii A156/A160/A162

CÓPIA NÃO CONTROLADA

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Savin 4027 Manuale di Servizio Pagina 18

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