Lexmark X543 Service Manual

244, 4-46 Service Manual 7525-xxx 7. At the rear of the printer, remove the two screws (C) from the AC receptacle, and the ground screw (D). 8. Remove the three screws (E) securing the left lower frame. 9. Remove the LVPS. See CD E …

310, Lexmark X543 5-8 Service Manual 7525-xxx JPH1 (continued) 21 Ground 22 D_VDO_2+ 23 D_VDO_2- 24 Ground 25 D_VDO_5+ 26 D_VDO_5- 27 Ground 28 D_VDO_1+ 29 D_VDO_1- 30 Ground 31 D_VDO_4+ 32 D_VDO_4- 33 Ground 34 D_VDO_0+ 35 D_VDO_0- 36 Ground 37 I2CCLK_PH 38 VDO_LADJ1, + 3.3 V dc 39 I2CDATA_PH 40 VDO_…

21, Preface xxi 7525-xxx Preface This manual contains maintenance procedures for service personnel. It is divided into the following chapters: 1. General information contains a general description of the printer and the maintenance approach used to repair it. Special tools and test equipme…

65, Diagnostic information 2-21 7525-xxx 846.06 Front calibration strip has excessive dark area Front excessive variability for Mono, Red, Green, or Blue. Go to “CCD service check” on page 2-65 846.07 Front magnification exceeds limits Rear excessive variability for Mono, Red, Gr…

61, Diagnostic information 2-17 7525-xxx 109.02 Service Black Printhead The black printhead failed to complete servo. Perform a POR. If the problem persists, go to “Printhead service check” on page 2-57 109.03 Service Black Printhead The black printhead mirror motors failed t…

307, Locations 5-5 7525-xxx Connectors Controller board Connector Pin no. Signal JUSB1 Port G1 Ground 1 USB_5V_Sense 2 USB D- 3 USB D+ 4 Ground G2 Ground JUSBW1 1 Ground 2 USB_HST_VP 3 USB_HST_VM 4 Ground 5 +3.3 V 6 +3.3V JFAN1 1 FAN_FG, 3.3V 2 Ground 3V_FAN_P3 JMIRR1 1 MM_REFR 2 MM…