Ricoh M126 - Page 11

SM vii M126/M127/M128
Fax error log codes ............................................................................ 6-44
6.5 SERVICE CHECKS ................................................................................. 6-50
6.5.1 CONTROLLER BOARD SERVICE CHECK ................................... 6-50
Controller board service check ........................................................... 6-50
6.5.2 ENGINE BOARD SERVICE CHECK .............................................. 6-52
Engine board service check ............................................................... 6-52
6.5.3 CARD READER SERVICE CHECK................................................ 6-55
6.5.4 COOLING FAN SERVICE CHECK ................................................. 6-55
6.5.5 COVER INTERLOCK SWITCH SERVICE CHECK ........................ 6-56
6.5.6 DEAD MACHINE SERVICE CHECK .............................................. 6-57
6.5.7 FUSER SERVICE CHECK ............................................................. 6-58
Fuser service check ........................................................................... 6-58
6.5.8 LVPS/HVPS SERVICE CHECK ...................................................... 6-59
6.5.9 MAIN MOTOR SERVICE CHECK .................................................. 6-60
6.5.10 NETWORKING SERVICE CHECK ............................................. 6-61
6.5.11 OPERATOR PANEL SERVICE CHECK ..................................... 6-64
Touch screen operator panel service check ....................................... 6-64
6.5.12 PAPER FEED SERVICE CHECKS ............................................ 6-65
Paper jam error indication during POST ............................................. 6-65
Media picks but stops halfway through the machine .......................... 6-66
Media never picks .............................................................................. 6-67
Media occasionally mispicks or picks multiple sheets at once ........... 6-67
Media skews ...................................................................................... 6-68
Media “trees,” wrinkles, stacks poorly, or curls ................................... 6-69
6.5.13 OPTION CARD SERVICE CHECK ............................................. 6-70
Option card service check .................................................................. 6-70
6.5.14 USB PORT SERVICE CHECK ................................................... 6-70
6.5.15 PRINT QUALITY SERVICE CHECKS ........................................ 6-71
Using print quality test pages ............................................................. 6-71
Blank page ......................................................................................... 6-72
Black page ......................................................................................... 6-73
Heavy background ............................................................................. 6-74
Partial blank image/white spots (no repeating pattern)....................... 6-74
Variation in image density horizontally across page ........................... 6-75
Poor fusing of image .......................................................................... 6-75
Light print ........................................................................................... 6-76
White or black lines or bands ............................................................. 6-76
Toner on back of page ....................................................................... 6-77