Lexmark X940e Owners Manual
Have a look at the manual Lexmark X940e Owners Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 166 Lexmark manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
General information1-79 7510 Go Back Previous Next Duplex
1-80Service Manual 7510 Go Back Previous Next Layout of media transport path The main components associated with the media path and transport with the duplex installed. Functions of main components When the duplex is installed to the left of the printer, duplex (double-sided) printing is available with the printer. The following outlines the functions of the main components of the duplex. Switch (duplex left door interlock) The switch (left door interlock) detects open/close of the left door. Sensor (duplex wait) The sensor (duplex wait) detects whether media is remaining in the duplex. Duplex media transport roll assembly The two duplex media transport roll assemblies and the duplex media center transport roll assembly re-feeds the media printed on the front side through the duplex to print on the rear side. Inverter reverse clutchInverter forward clutchStandard media exit roll assembly Standard media bin Exit duplex diverter gate Fuser unit assembly Transfer belt Registration clutch Registration Sensor (registration) MPF Registration roll assembly Fuser exit roll assembly Sensor (fuser exit)
General information1-81 7510 Go Back Previous Next Duplex controller card assembly The duplex controller card assembly that contains a CPU controls media feed in the duplex upon receiving a command from the upper printer engine card assembly and sensor/switch information. Duplex drive motor The duplex drive motor transmits driving force to the two duplex media transport roll assemblies and the duplex media center transport roll assembly middle that feeds media. Inverter reverse clutchInverter forward clutch Standard media exit roll assembly Duplex diverter solenoid Sensor (duplex wait)Switch (duplex left door interlock) Duplex media transport roll assembly Duplex drive motor Duplex diverter gate
1-82Service Manual 7510 Go Back Previous Next Tools required for service Flat-blade screwdriver #1 Phillips screwdriver, magnetic #2 Phillips screwdriver, magnetic #2 Phillips screwdriver, magnetic short-blade Needle nose pliers Diagonal side cutters Spring hook Analog or digital multi meter Parallel wrap plug 1319128 Twinax/serial debug cable (#1381963) Coax/serial debug cable (#1381964) 5.5 mm hexdriver (magnetic) Color toner vacuum Fine incremental ruler
General information1-83 7510 Go Back Previous Next Acronyms 1TM 1 Tray Module 3TM 3 Tray Module AC Alternating Current ADF Automatic Document Feeder APS Automatic Paper Size ASIC Application Specific Integrated Circuit ATC Automatic Toner Control CRU Customer Replaceable Unit CSU Customer Setup CCW Counterclockwise CW Clockwise DC Direct Current DIMM Dual Inline Memory Module DRAM Dynamic Random Access Memory EDO Enhanced Data Out EP Electrophotographic Process EPROM Erasable Programmable Read-only Memory ESD Electrostatic Discharge FRU Field Replaceable Unit GB Gigabyte GFI Ground Fault Interrupter HCF High-Capacity Feeder HVPS High Voltage Power Supply LASER Light Amplification by Stimulated Emission of Radiation LCD Liquid Crystal Display LD Laser Diode LED Light-Emitting Diode LEF Long Edge Feed LVPS Low Voltage Power Supply MPF Multi-Purpose Feeder MS Microswitch NVM Nonvolatile Memory NVRAM Nonvolatile Random Access Memory OEM Original Equipment Manufacturer OPT Optical Sensor PC Photoconductor PEL Picture element POR Power-on Reset POST Power-on Self Test PPM Pages Per Minute PSC Parallel Synchronous Communications PSD Position Sensing Device PWM Pulse Width Modulation RFID Radio Frequency Identification RIP Raster Imaging Processor ROM Read only Memory RPM Revolutions Per Minute SDRAM Synchronous Dual Random Access Memory SEF Short Edge Feed SIMM Single Inline Memory Module SOS Start of scan
1-84Service Manual 7510 Go Back Previous Next SRAM Static Random Access Memory TTM Tandem Tray Module TVOC Total Volatile Organic Compound UPR Used Parts Return VVolts V ac Volts alternating current V dc Volts direct current
Diagnostic information2-1 7510 Go Back Previous Next 2. Diagnostic information Start Warning:When operating the driving units using the diagnostics or other tools, be sure to keep them covered unless otherwise specified. Warning:When operating the driving units using the diagnostics or other tools, never touch the driving units. When operating the driving units using diagnostics or other tools, be sure to follow the procedures in this manual. Warning:Servicers should wear a wrist band or the like to remove static electricity from their body, grounding their body while working. Go to “Handling ESD-sensitive parts” on page 4-1. Note: There may be printer error messages that are not contained in this service manual. Call your next level support for assistance. CAUTION Unplug the power cord from the electrical outlet before you connect or disconnect any cable electronic board or assembly. CAUTION If the printer is kept on, never touch the conductive parts if not specifically required. The power switch and inlet of the low voltage power supply card (LVPS card) assembly is live even while the power supply is cut off. Never touch the live parts. CAUTION Be careful to avoid burns by safely handling hot parts. CAUTION The standard finisher weight is 59 kg (130 lb.) and requires at least two people to lift it safely. The booklet finisher weight is 87.5 kg (193 lb.) and requires at least four people to lift it safely. Make sure your fingers are not under the finisher when you lift or set it down. The MFP weighs approximately 173kg (383 lb.) and requires at least four people to lift it safely. Make sure your fingers are not under the MFP when you lift or set it down.
2-2Service Manual 7510 Go Back Previous Next Confirm the installation status Be sure to check the following items before starting the troubleshooting procedures. •With the power cord unplugged from the wall outlet, check that the cord is free from breakage, short-circuit, disconnected wire, or incorrect connection in the power cord. •The printer is properly grounded. Check the power cord ground terminal. •The printer is not installed at a place subjected to extreme temperature, extreme humidity or rapid changes in temperature. •The printer is not installed close to water service, humidifier, heat generating unit, fire, in a very dusty place, or a place exposed to air flow from the air conditioning system. •The printer is not installed in a place where volatile gas or inflammable gas is generated. •The printer is not installed in direct sun. •The printer is installed on a level and stable surface. •Media meets specifications and is installed properly. •Customer maintenance parts have been replaced at the specified intervals. •Check all attached options for proper attachment and electrical connection. •Refer to the User’s Guide for proper installation. Power-on Reset sequence The following is an example of the events that occur during the POR sequence: 1.Turn the machine on. 2.The Lexmark splash screen appears with a progress bar in the center until the code is loaded. 3.The scanner exposure lamp flashes several times. 4.The fuser cooling fan turns on. 5.The fuser unit assembly lamps turn on. 6.The RIP card assembly cooling fan turns on. 7.Operator panel LED becomes solid. 8.The transport motor turns on. The following is an example of the screen that appears after the code is loaded. Copy E-Mail Fax FTP Menus Ready. Toner low. Touch any button to begin. Status/ Supplies
Diagnostic information2-3 7510 Go Back Previous Next Control panel Callout Control panel item Function 1LCD A liquid crystal display (LCD) which shows home screen buttons, menus, menu items, and values. Allows for making selections within Copy, Fax, and so on. 2Indicator lightGives information about the status of the MFP using the colors red and green. 30–9 Note: Referred to as the numeric keypad.Press these buttons to enter numbers when the LCD screen has a field that accepts the entry of numbers. Also, use these buttons to dial phone numbers for faxes. Note: If a number is pressed while on the home screen without pressing the # button first, the Copy menu opens and changes the Copy Quantity. 4# (Pound or number character) Press this button: • For a shortcut identifier. • Within phone numbers. For a Fax number with a #, enter it twice — ##. • From the home screen, the Fax Destination List menu item, E-mail Destination List menu item, or Profile List menu item to access shortcuts. 12 3 4 5 6 7 8 9 10 ABC DEF GHI JKL MNO PQRS TUV WXYZ 11 Status Indicates Off MFP power is off. Blinking green MFP is warming up, processing data, or printing a job. Solid green MFP is on, but idle. Solid red Operator intervention is required.
2-4Service Manual 7510 Go Back Previous Next 5Dial Pause Press to cause a two- or three-second dial pause in a fax number. The button only functions within the Fax menu or with fax functions. Press from the home screen to redial a fax number. When outside of the Fax menu, fax function, or home screen, pressing Dial Pause causes an error beep. When sending a fax, in the Fax To: field, a Dial Pause press is represented by a comma (,). 6Home t Press to return to home/start screen. 7Start Press to initiate the current job indicated on the control panel. From the home screen, press it to start a copy job with the default settings. If pressed while a job runs through the scanner, the button has no effect. 8Stop Press to cause the printing or scanning to stop. During a scan job, the scanner finishes scanning the current page and then stops, which means paper may remain in the automatic document feeder (ADF). During a print job, the print media path is cleared before the printing stops. Stopping appears on the control panel during this process. 9Backspace Within the Copy menu, which is accessed by touching the Copy button, press Backspace to delete the right- most digit of the value in the Copy Count. The default value of 1 appears if the entire number is deleted by pressing Backspace numerous times. Within the Fax Destination List, press Backspace to delete the right-most digit of a number entered manually. It also deletes an entire shortcut entry. Once an entire line is deleted, another press of Backspace causes the cursor to move up one line. Within the E-mail Destination List, press Backspace to delete the character to the left of the cursor. If the entry is in a shortcut, the entire entry is deleted. 10Asterisk (*) * is used as part of a fax number or as an alphanumeric character. 11USB Direct interface The host Universal Serial Bus (USB) direct interface on the control panel is used to plug in a USB flash memory device and print any Portable Document Format (PDF) (.pdf file), Joint Photographic Experts Group (JPEG) (.jpeg or .jpg file), Tagged Image File Format (TIFF) (.tiff or .tif file), Graphics Interchange Format (GIF) (.gif file), Basic Multilingual Plane (BMP) (.bmp file), Portable Network Graphics (PNG) (.png file), PiCture eXchange (PCX) (.pcx file), and PC Paintbrush File Format (.dcx file) files. The USB direct interface can also be used to scan a document to a USB flash memory device using the PDF, TIFF, or JPEG formats.