B273 ii SM
3.13 CRUM BOARD ......................................................................................3-37
3.14 DRIVE ASSEMBLY ...............................................................................3-38
3.15 COVER MID-FRONT.............................................................................3-39
3.16 TRANSFER ASSEMBLY.......................................................................3-40
3.17 FEED ASSEMBLY.................................................................................3-42
3.18 PICK-UP ASSEMBLY AND SOLENOID................................................3-45
3.18.1 PICK-UP ASSEMBLY...................................................................3-45
3.18.2 SOLENOID ...................................................................................3-46
3.18.3 BY-PASS PICK-UP ROLLER AND PAPER FEED
UNIT PICK-UP ROLLER. .............................................................3-47
By-pass pick-up roller .........................................................................3-47
Paper Feed Unit Pick-up Roller ..........................................................3-48
TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 PAPER PATH............................................................................................4-1
4.1.1 COPY/SCAN DOCUMENT PATH ....................................................4-2
Scanner ................................................................................................4-2
Engine...................................................................................................4-3
4.1.2 PRINTER PAPER PATH ..................................................................4-4
4.2 PAPER JAM CONDITIONS.......................................................................4-5
Jam0 (Paper Feed Area) Jam1 (Fusing/Toner Cartridge)................4-5
Jam2 (Paper Exit Area) By-pass Jam (By-pass Tray).......................4-5
4.2.1 CLEARING DOCUMENT JAMS (ADF).............................................4-6
ADF Input Misfeed ................................................................................4-6
ADF Exit Misfeed ..................................................................................4-7
ADF Roller Misfeed...............................................................................4-7
4.2.2 JAM0 (PAPER FEED AREA)............................................................4-8
4.2.3 JAM1 (FUSING AREA OR AROUND THE TONER
CARTRIDGE AREA).........................................................................4-9
4.2.4 JAM2 (PAPER EXIT AREA) ...........................................................4-10
4.2.5 BY-PASS TRAY JAM .....................................................................4-11
4.3 PAPER FEED PROBLEMS.....................................................................4-12
4.3.1 INCORRECT PRINT POSITION ....................................................4-12
4.3.2 JAM 0 .............................................................................................4-12
4.3.3 JAM 1 .............................................................................................4-13
4.3.4 JAM 2 .............................................................................................4-13
4.3.5 MULTI-FEEDING............................................................................4-14
4.3.6 PAPER IN THE FUSING UNIT.......................................................4-14
4.3.7 PAPER BECOMES ROLLED AROUND THE OPC DRUM ............4-15
4.3.8 DEFECTIVE ADF ...........................................................................4-15
4.4 MACHINE MALFUNCTIONS...................................................................4-16
4.4.1 LCD DISPLAY DEFECTIVE ...........................................................4-16
4.4.2 DEFECTIVE CONTROL PANEL ....................................................4-16
4.4.3 FUSING GEAR MELTS (OVERHEATS).........................................4-16
4.4.4 PAPER EMPTY 1 ...........................................................................4-17
4.4.5 PAPER EMPTY 2 ...........................................................................4-17