00 0-80-8Removing the Developing Assembly-----------------------------------------4-36Removing the Manual Feed Pickup Roller ---------------------------------4-36Removing the Manual Feed Separation Pad ------------------------------4-37Removing the Fixing Unit -------------------------------------------------------4-38Removing the Cassette Pickup Roller (250-sheet 1st Cassette Model) 4-38Removing the Roller Cassette Separation Pad (250-sheet 1st Cassette Model) 4-39Removing the Cassette Pickup Roller (550-sheet 1st Cassette Model) 4-39Removing the Cassette Transfer Roller (550-sheet 1st Cassette Model) 4-39Removing the Cassette Separation Roller (550-sheet 1st Cassette Model)--4-40Removing the Idler Gear (Only for 550-sheet 1st Cassette Model for China) 4-40PCB----------------------------------------------------------------------------- 4-41Removing the DC Controller PCB --------------------------------------------4-41Before Replacement/RAM Clearing---------------------------------------------------4-41Replacement Procedure -----------------------------------------------------------------4-41Action to Take after Replacement/RAM Clearing ----------------------------------4-41Removing the Main Controller PCB ------------------------------------------4-41Replacement Procedure -----------------------------------------------------------------4-41Action to Take after Replacement -----------------------------------------------------4-41Removing the RAM PCB--------------------------------------------------------4-42Replacement Procedure -----------------------------------------------------------------4-425 AdjustmentOutline ---------------------------------------------------------------------------5-2Adjustment when replacing parts ---------------------------------------------- 5-2Image position adjustment------------------------------------------------------- 5-2Adjustment when replacing parts -----------------------------------------5-3Scanning System ------------------------------------------------------------------ 5-3Action to Take after Replacing the CIS Unit------------------------------------------ 5-3Action to Take after Replacing the Platen Glass ------------------------------------ 5-3Action to Take after Replacing the ADF Scan Glass ------------------------------- 5-4Controller System ------------------------------------------------------------------ 5-4Action to Take after Replacing theMain Controller PCB -------------------------- 5-4Action to Take when Replacing the DC Controller PCB -------------------------- 5-4Action to Take after Replacing the RAM ---------------------------------------------- 5-5Laser Exposure System ---------------------------------------------------------- 5-5Action to Take after Replacing the Laser Scanner Unit --------------------------- 5-5Image position adjustment --------------------------------------------------5-6Margin Along the Leading Edge ------------------------------------------------ 5-6Left Image Margin ----------------------------------------------------------------- 5-6Leading Edge Non-Image Width ----------------------------------------------- 5-6Left Non-Image Width ------------------------------------------------------------ 5-76 TroubleshootingUpgrading Targets and Procedure ----------------------------------------6-2Outline -------------------------------------------------------------------------------- 6-2Procedure ---------------------------------------------------------------------------- 6-37 Error CodeOverview ------------------------------------------------------------------------7-2Outline -------------------------------------------------------------------------------- 7-2Error Code ----------------------------------------------------------------------7-3Error Code Details ----------------------------------------------------------------- 7-3FAX Error Codes ------------------------------------------------------------------- 7-9Outline ----------------------------------------------------------------------------------------- 7-9User Error Code----------------------------------------------------------------------------- 7-9Service Error Code ------------------------------------------------------------------------- 7-9Jam Code --------------------------------------------------------------------- 7-11Main Unit ---------------------------------------------------------------------------- 7-11DADF-AB1 --------------------------------------------------------------------------7-13Inner Finisher-B1------------------------------------------------------------------7-14Alarm Code ------------------------------------------------------------------- 7-15Alarm Code Details ---------------------------------------------------------------7-158 Service ModeOutline ---------------------------------------------------------------------------8-2Outline of Service Mode---------------------------------------------------------- 8-2Using the Mode--------------------------------------------------------------------- 8-3Setting of Bit Switch --------------------------------------------------------------- 8-3Outline ----------------------------------------------------------------------------------------- 8-3Details of Service Mode -----------------------------------------------------8-4#SSSW ------------------------------------------------------------------------------- 8-4SSSW Composition ------------------------------------------------------------------------ 8-4Details ----------------------------------------------------------------------------------------- 8-4