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Question posted by bakare01321 on May 2nd, 2018

Lexmark X642e Touchscreen Calibration Problem

how do I fix lexmark x642e touchscreen calibration problem

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Answer #1: Posted by waelsaidani1 on May 2nd, 2018 9:47 PM

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A sagging touch screen can cause this panel calibration issue, which can occur if the foam spacer between the touch screen and the LCD becomes too loose. Thus, when you touch a portion of the touch screen, you actually interact with the area corresponding to the LCD point above the one you touched.

To determine whether the panel calibration issue is caused by a sagging touch screen, put your finger on the middle of the touch screen. Press and hold the screen, then slowly move the screen physically up and down. If the touch screen moves then the Operator Panel Assembly needs to be replaced. Please contact Lexmark Technical Support or a local authorized service provider for additional assistance.

Related Lexmark X646e Manual Pages

Card Stock & Label Guide - Page 7

...problems when you have specific stock or design questions, talk with your printer. In addition to printer-specific media recommendations, this document also explains design factors you select appropriate print materials for the following Lexmark... X422, X463, X464, X466, X500, X502, X543, X544, X546dtn, X560(n), X642e, X644e, X646e, X651, X652, X654, X656, X658, X734, X736, X738, X850, X852e,...

Card Stock & Label Guide - Page 103

...specifications 103 Adhesive material may cause paper jams. Lexmark X642e The Lexmark X642e prints on many labels designed for use with ...paper or transparencies in a paper jam. The following table lists the maximum weights supported by the trays and the multipurpose feeder. Combining print materials can cause feeding problems...

Card Stock & Label Guide - Page 104

... tray location or in a 250-sheet drawer under "Dimensions" on page 9. The standard Lexmark X642e tray holds 250 or 500 sheets of special media trays and drawers. Weight: Up to ... difficult-to 203 g/m2 Tag (100 lb) Standard trays and special trays The Lexmark X642e paper feeding mechanism uses advanced technology that enhances feeding reliability. Media specifications Labels Card stock...

Card Stock & Label Guide - Page 105

...and optimize performance.) When printing on the X642e, requires a special label fuser cleaner that have successfully developed this application. To duplex labels, consult the Lexmark "Converter Lists" to Card Stock in...Vinyl Labels. It may cause paper jams. For more labels per sheet can cause feeding problems. • Use full label sheets. Printing labels on labels: • Set the Paper...

IPDS Emulation Userâ€™s Guide - Page 1

... and SCS/TNe IPDS Emulation User's Guide Printers • Lexmark C770, C772 • Lexmark C780, C782 • Lexmark C920 • Lexmark C935 • Lexmark T640, T642, T644 • Lexmark W840 Multifunction Products • Lexmark X644e MFP, X646e MFP • Lexmark X646ef MFP • Lexmark X782e MFP • Lexmark X850e MFP, X852e MFP, X854e MFP • Lexmark X940e MFP, X945e MFP

IPDS Emulation Userâ€™s Guide - Page 8

... host settings to receive IPDS jobs, refer to the following Multifunction Products (MFPs): • Lexmark X644e MFP, X646e MFP • Lexmark X646ef MFP • Lexmark X782e MFP (IPDS color and monochrome printing, SCS monochrome printing only) • Lexmark X850e MFP, X852e MFP, X854e MFP • Lexmark X940e MFP, X945e MFP (IPDS color and monochrome printing, SCS monochrome printing only...

IPDS Printer and Host Setup Guide - Page 4

... printers and Multifunction Products (MFPs). • Lexmark C770, C772, C780, C782, C920, C935 (IPDS color and monochrome printing, SCS monochrome printing only) • Lexmark T640, T642,T644 • Lexmark W840 • Lexmark X644e MFP, X646e MFP • Lexmark X646ef MFP • Lexmark X782e MFP • Lexmark X850e MFP, X852e MFP, X854e MFP • Lexmark X940e MFP, X945e MFP (IPDS...

User's Guide - Page 8

...Duplex ability X644e 500 sheets 256MB 768MB No 1 Duplex in, simplex out X646e 500 sheets 256MB 768MB Yes 1 Duplex in, simplex out X646dte 1000 sheets...MFP Identifying the MFP Use the following table lists some common features and differences between the models. CAUTION: The MFP requires three people to determine the features and options of your Lexmark™ X646e or X646dte MFP (multifunction...

User's Guide - Page 117

... screen control panel, touch the Release Held Faxes button. Unlocking the MFP using the Device Lockout PIN 1 Touch the Lock Device button. 2 Enter the 4-digit Device Lockout PIN. A locked MFP also prevents all use of jobs on a locked MFP hard disk, enter the correct PIN on the home screen. 2 Touch Settings. 3 Touch the down arrow and...

User's Guide - Page 128

... Paper menu and in the Installed Options list. Troubleshooting Solving fax quality problems The following table lists MFP options and suggested corrective actions for related problems. If the suggested corrective action does not fix the problem, call your service representative. resolution to the MFP system board. Internal print server • Make sure the internal print server...

Service Manual - Page 1

Edition: February 27, 2007 Lexmark™ X642e, X644e, X646e MFP 7002-xxx • Table of Contents • Start Diagnostics • Safety and Notices • Trademarks • Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.

Service Manual - Page 21

The Lexmark X64xe laser MFPs are All-In-One laser MFPs that provide print, copy, ...problem and repair the failure. General information The Lexmark™ X642e, X644e, and X646e are available in the following models: Model name Lexmark X644e Lexmark X642e Lexmark X642e Lexmark X644e Lexmark X646e Lexmark X646e Lexmark X644e Lexmark X642e Lexmark X642e Lexmark X644e Lexmark X646e Lexmark X646e...

Service Manual - Page 24

7002-xxx Specifications General MFP specifications Scanner Scanner type Scanner technology Light sources Max optical resolution Scan area (flatbed) Scanner ADF ADF type Lexmark X642e Lexmark X644e/X646e Color flatbed scanner with ADF Charge coupled device (CCD) Two Cold Cathode Fluorescent Lamp (CCFL) and one CCD module per scanner 600 x 600 dpi maximum (mono) 600 x 300 dpi...

Service Manual - Page 25

7002-xxx Memory configuration Memory type Lexmark X642e Models Lexmark X644e Lexmark X646e Standard DRAM (MB) 128 256 256 Optional memory (MB) (One slot-100 pin DDR SDRAM unbuffered DIMMs) Maximum (MB) 128, 256, and 512 available 640 768 768 Optional flash memory (MB) 32 and 64 available Hard disk N/A N/A

Service Manual - Page 26

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Service Manual - Page 27

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Service Manual - Page 38

... LVPS MDC MFP MPF NVRAM OPT PC PIN PJL POR POST PP PWM RIP SCC SDRAM SIMM UAT USB V ac V dc Automatic Document Feeder All-In-One Charge Coupled Device (CCD) ...Emission of Radiation Liquid Crystal Display Light-Emitting Diode Lexmark Embedded Solution (applications) Low Voltage Power Supply Motor Driver Control Multifunction Printer Multipurpose Feeder Nonvolatile Random Access Memory Optical Sensor...

Service Manual - Page 48

... touchscreen (mono-model X642e)- Replace the operator panel right cover assembly. Paper feed problems-printer...X642e)-Home and Help buttons on page 4-64. Operator panel-one button does not work Go to "Operator panel right cover assembly service check" on page 2-162. Operator panel LED does not come on while MFP operates normally Go to "LCD touchscreen display service check-models X644e/X646e...

Service Manual - Page 159

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Service Manual - Page 437

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