Chapter 1 TroubleshootingChapter 1 Troubleshooting CONTENTSFIP2.9 INTERLOCK S/W 24V (PL8.1.11).................................................. 1 - 65FIP2.10 INTERLOCK S/W 5V (PL8.1.12), SWITCH I/L ASSY (PL1.1.11)....................... 1 - 66FIP2.11 INTERLOCK S/W REAR (PL12.1.7) ............................................... 1 - 67FIP2.12 SWITCH I/L ASSY (PL1.1.11) (Interlock S/W Front R) ............................... 1 - 68FIP2.13 PWBA EXIT MOTOR (PL12.1.4) .................................................. 1 - 69FIP2.14 MOTOR ASSY EXIT (PL9.1.11, PL10.1.15) ........................................ 1 - 70FIP2.15 CLUTCH REGI (PL5.1.23) ....................................................... 1 - 71FIP2.16 CLUTCH ASSY PH (PL5.1.21, PL6.1.21, PL7.1.20) ................................. 1 - 72FIP2.17 GUIDE TRAY LEFT (PL7.1.7) .................................................... 1 - 73FIP2.18 HVPS/MCU (PL12.1.19) ......................................................... 1 - 74FIP2.19 Electrical Noise ................................................................. 1 - 75FIP2.44 MOTOR ASSY EXIT (PL10.1.15) ................................................. 1 - 77FIP2.45 SENSOR FACE UP OPEN (PL10.1.25) ............................................ 1 - 78FIP2.46 SENSOR FULL STACK (PL10.1.26)............................................... 1 - 795. Image Quality Trouble..............................................................................................1 - 805.1 Entry Chart for Image Quality Troubleshooting.......................................... 1 - 805.2 Image Quality FIP .................................................................. 1 - 82FIP-1.P1 Faint print (Low contrast) ....................................................... 1 - 82FIP-1.P2 Blank print (No print) ........................................................... 1 - 84FIP-1.P3 Solid black.................................................................... 1 - 86FIP-1.P4 Vertical blank lines (White stripes in paper transport direction) ....................... 1 - 87FIP-1.P5 Horizontal band cross out....................................................... 1 - 89FIP-1.P6 Vertical stripes ................................................................ 1 - 91FIP-1.P7 Horizontal stripes .............................................................. 1 - 92FIP-1.P8 Partial lack.................................................................... 1 - 94FIP-1.P9 Spots ........................................................................ 1 - 95FIP-1.P10 Afterimage ................................................................... 1 - 96FIP-1.P11 Background (Fog) ............................................................. 1 - 98FIP-1.P12 Skew ........................................................................ 1 - 99FIP-1.P13 Paper damage............................................................... 1 - 100FIP-1.P14 No fix....................................................................... 1 - 1026. Judgment of print consistency................................................................................1 - 103Leading edge registration ............................................................... 1 - 103Side edge registration .................................................................. 1 - 104Skew ................................................................................ 1 - 105Perpendicularity ....................................................................... 1 - 106Parallelism............................................................................ 1 - 1077. Preventive maintenance.........................................................................................1 - 108
