Lexmark X543 Service Manual
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Locations5-15 Lexmark confidential until announce7525xxx HVPS
5-16Service Manual 7525xxxLexmark confidential until announce Connectors HVPS board Connector Pin no. Signal Connection from controller board 1 M-Drpwm 2 K-Dr pwm 3C-Drpwm 4 CMY-Chrgpwm 5 Y-Drpwm 6 K-Chrgpwm 7 CMY-Srvo_Out 8I-Txpwm 9CMY-Txpwm 10 I-Sr vo_Out 11 K-Srvo_Out 12 K-Txpw m 13 +24V 14 +24VRtn 15 VREF Buffered 16 +24VRtn Contacts to machine 1 I-Transfer 2 CMY-Transfer 3K-Transfer 4 K-Charge 5 CMY-Charge 6 K-DR Blade 7 M-DR Blade 8 C-DR Blade 9 Y-DR Blade 10 Ground
Locations5-17 Lexmark confidential until announce7525xxx LVPS
5-18Service Manual 7525xxxLexmark confidential until announce Connectors LVPS board Connector Pin no. Signal CN1 1 +5V 2 Ground 3 +5V 4 Ground 5+5V 6 Ground 7 +25V 8 Ground 9 +25V 10 Ground 11 +25V 12 Ground 13 Relay Drive 14 ZC Out 15 Heat On 16 NC CN2 1 AC phase input 2 AC neutral input CN3 1 AC Out 29 AC load phase
Locations5-19 Lexmark confidential until announce7525xxx Toner meter card Toner meter card connectors Toner meter card Connector Pin no. Signal From JCTM1 connector on the controller board1+5 V_SW 2 Car t_Meter_C_IN 3 Cart_Meter_M_IN 4 Car t_Meter_Y_IN 5 Car t_Meter_K_IN 6 Ground
5-20Service Manual 7525xxxLexmark confidential until announce Wireless card Connectors Wireless card Connector Pin no. Signal From JUSBW1 on controller 1 Ground 2 USB_HST_VP 3 USB_HST_VM 4 Ground 5+5V 6 Wireless_POR
Preventive maintenance6-1 Lexmark confidential until announce7525xxx 6. Preventive maintenance This chapter describes procedures for printer preventive maintenance. Follow these recommendations to help prevent problems and maintain optimum performance. Safety inspection guide The purpose of this inspection guide is to aid you in identifying unsafe conditions. If any unsafe conditions exist, find out how serious the hazard could be and if you can continue before you correct the hazard. Check the following items: Damaged, missing, or altered parts, especially in the area of the On/Off switch and the power supply Damaged, missing, or altered covers, especially in the area of the top cover and the power supply cover Possible safety exposure from any non-Lexmark attachments Lubrication specifications Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use of lubricants other than those specified can cause premature failure. Some unauthorized lubricants may chemically attack polycarbonate parts. Use IBM no. 10 oil, P/N 1280443 (Approved equivalents: Mobil DTE27, Shell Tellus 100, Fuchs Renolin MR30), IBM no. 23 grease (Approved equivalent Shell Darina 1), and grease, P/N 99A0394 to lubricate appropriate areas. Use Nyogel type 774 to lubricate the Fuser Drive Assembly and Nyogel 744 to lubricate the ITU and Cartridge Drive assemblies.
6-2Ser vice Manual 7525xxxLexmark confidential until announce
Pa r ts ca ta l og7-1 Lexmark confidential until announce7525xxx 7. Parts catalog How to use this parts catalog The following legend is used in the parts catalog: Asm-index: Identifies the assembly and the item in the diagram. For example, 3-1 indicates Assembly 3 and item number 1 in the table. Par t number: Identifies the unique number that identifies this FRU. Units/mach: Refers to the number of units actually used in the base machine or product. Units/option: Refers to the number of units in a particular option. It does not include the rest of the base machine. Units/FRU: Refers to the number of units packaged together and identified by the part number. NS: (Not shown) in the Asm-Index column indicates that the part is procurable but is not pictured in the illustration. PP: (Parts Packet) in the parts description column indicates the part is contained in a parts packet. Model information used in the parts catalog:Asm- indexPar t numberUnits/mach - OR - Units/optionUnits/ FRUDescription Machine type/model Term used in parts Product name Description 7525-131 131 Lexmark X543dn Network, duplex print 7525-133 133 Lexmark X543dn Network, duplex print, DBCS op panel 7525-138 138 Lexmark X543dn Network, duplex print, wireless 7525-356 356 Lexmark X544n Duplex scan, fax 7525-352 352 Lexmark X544n Duplex scan 7525-336 1336 Lexmark X544dn Duplex scan/print, fax 7525-332 1332 Lexmark X544dn Duplex scan/print, 7525-337 1337 Lexmark X544dn Duplex scan/print, fax, DBCS op panel 7525-333 1333 Lexmark X544dn Duplex scan/print,DBCS op panel 7525-386 386 Lexmark X544dw Duplex scan/print, fax, wireless 7525-382 382 Lexmark X544dw Duplex scan/print, wireless 7525-387 387 Lexmark X544dw Duplex scan/print, fax, wireless, DBCS op panel 7525-383 383 Lexmark X544dw Duplex scan/print, wireless, DBCS op panel 1 A dtn version of this model is available. This version includes the 650-sheet tray.
7-2Ser vice Manual 7525xxxLexmark confidential until announce Assembly 1: Covers 7 11 9 8 1 2 3 4 5 6 10