Lexmark X543 Service Manual

Prefacexxi
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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 equipment, as well as general environmental and safety instructions, are 
discussed.
2.Diagnostic information contains an error indicator table, symptom tables, and service checks used to 
isolate...

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General information1-1
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1.  General information
The Lexmark™ X54x series are color laser MFPs that combine print, scan, copy, and fax functions. 
The X54x series are the ideal MFPs for presentations, business graphics, line ar t, and text. They use 
laser diode electrophotographic technology to deliver remarkable quality print images and text. The 
scan and copy functions work with A4, letter, and legal (ADF only) size paper. Photographic quality 
images are...

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Options and features
Certain options are available on selected printer models only.
Available options include:
650-Sheet Duo Drawer—a 550-sheet drawer with a 100-sheet multipurpose feeder (MP Feeder).
Additional memory—One 128, 256, or 512MB memory card may be added.
Flash memory card—One 64MB may be added.
Font cards—One
Memory
Lexmark X543Lexmark X544n, 
X544dn, X544dtnLexmark X544dw
Memory
Optional slots  One slot
Standard DIMM sizes
a...

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Print quality
During the life of the printer, components are subject to wear based on usage. Printers continuously operating at 
or near the maximum duty cycle may require service for replacement of these components to ensure high-
quality printing and good performance throughout the life of the printer. Replacement is recommended every 
60,000 pages for the fuser and 60,000 pages for the ITU. Replacement is recommended every 30,000 pages...

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Operating modes
Data streams
Mode Description
Normal Factory default
Quiet Designed for customers where noise levels are a very important 
factor. 
 Print quality is maintained at factory default level. 
 Speed is reduced.
Eco-mode
(Energy and Energy + PaperDesigned for customers where the environment is a key factor. 
There are three options; Energy, Paper, and Energy+ Paper. 
 Print quality is maintained.
 Power Saver is set to one minute....

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Dimensions
Clearances
Models Height Width D epth Weight
Lexmark X543 291 mm (11.5 in.) 424 mm (16.7 in.) 400 mm (15.7 in.) 21 kg (46.2 lbs)
Lexmark X544n, X544dn, 
X544dtn, X544dw422 mm (16.6 in.) 424 mm (16.7 in.) 416 mm (16.4 in.) 25 kg (54.9 lbs)
650-sheet Duo Drawer 133 mm (5.2 in.) 424 mm (16.7 in. 416 mm (16.4 in.)  4 kg (8.7 lb)
Description Dimensions
All models
1 Rear 100 mm (3.9 in.)
2 Front 482.6 mm (19 in.)
3 Right side 100 mm...

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Power and electrical specifications
The following table specified nominal average power requirements for the base printer configurations. All power 
levels are shown in Watts (W). Maximum current is given in Amperes (A).
Low-voltage models
100 to 127 volts (V) (100 – 110 Japan) at 50 to 60 hertz (Hz) nominal
90 to 137 volts (90 – 110 Japan), extreme
100 voltage models
100 V ac at 47 to 63 hertz (Hz) nominal
90 to 110 V ac, extreme
High-voltage...

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Acoustics
All acoustic measurements are made in accordance with ISO 7779-1999 and reported in conformance with 
ISO9296:1988-04-15.
Environment specifications
Operating mode1-Meter average sound 
pressure at 4800 CQ
Lexmark 
X543Lexmark 
X544
Printing (simplex mono) 46 dBA 46 dBA
Printing (simplex color) 47 dBA 47 dBA
Printing (automatic 
duplex mono)50 dBA 50 dBA
Printing (automatic 
duplex color)50 dBA 51 dBA
Copy ADF (Mono) 50 dBA 49...

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Media handling
Input and output sources
Duplex capability
x
Sheet numbers are assuming 20 lb. 
xerographic paperLexmark X543Lexmark X544dw, 
X544dn, X544dtnLexmark X544n
Standard input sources
Standard input tray (250-sheet tray) 250 sheets 250 sheets 250 sheets
Manual feed slot (1-sheet) 1 sheet 1 sheet 1 sheet
Second tray capacity (650-sheet 
Duo Drawer)550 sheets 550 sheets 550 sheets
Multipurpose try capacity (650-
sheet Duo Drawer)100...