Ricoh M000, Service Manual

Page: 14 / 138

M000/M009 ii SM
3.9 PICK-UP ROLLER ..............................................................................3-16
TROUBLESHOOTING
4. TROUBLESHOOTING .............................................................4-1
4.1 PROCEDURE OF CHECKING SYMPTOMS........................................4-1
4.2 SYMPTOMS, CAUSES, AND SOLUTIONS OF BAD IMAGES ............4-2
4.2.1 VERTICAL BLACK LINE AND BAND ..........................................4-2
4.2.2 VERTICAL WHITE LINE ..............................................................4-3
4.2.3 HORIZONTAL BLACK BAND ......................................................4-4
4.2.4 BLACK/WHITE SPOT..................................................................4-5
4.2.5 LIGHT IMAGE..............................................................................4-6
4.2.6 DARK IMAGE OR BLACK PAGE ................................................4-7
4.2.7 UNEVEN DENSITY .....................................................................4-8
4.2.8 BACKGROUND ...........................................................................4-9
4.2.9 GHOST (1).................................................................................4-10
4.2.10 GHOST (2) ...........................................................................4-11
4.2.11 GHOST (3): FUSER .............................................................4-12
4.2.12 STAINS ON THE FACE OF PAGE ......................................4-13
4.2.13 STAINS ON THE BACK OF PAGE ......................................4-14
4.2.14 BLANK PAGE PRINT OUT (1) .............................................4-15
4.2.15 BLANK PAGE PRINT OUT (2) .............................................4-16
4.3 DISCHARGE SYMPTOMS, CAUSES, AND SOLUTIONS .................4-17
4.3.1 WRONG PRINT POSITION .......................................................4-17
4.3.2 JAM 0.........................................................................................4-18
4.3.3 JAM 1.........................................................................................4-19
4.3.4 JAM 2.........................................................................................4-20
4.3.5 DUPLEX JAM ............................................................................4-21
4.3.6 MULTI-FEEDING .......................................................................4-22
4.3.7 PAPER ROLLED IN THE FUSER..............................................4-23
4.3.8 PAPER ROLLED ON THE OPC DRUM.....................................4-24
4.4 MALFUNCTION CAUSES AND SOLUTIONS ....................................4-25
4.4.1 FUSER ERROR.........................................................................4-25
4.4.2 LSU (LASER SCANNING UNIT) ERROR..................................4-25
4.4.3 MALFUNCTION OF THE GEAR OF THE FUSER DUE TO
MELTING ............................................................................................4-26
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA