Lexmark C736 Service Manual

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1.  General information
The Lexmark™ C73x family of color laser printers. 
Models
Options
Note:  Some configurations may require a caster base for stability. Printer nameMachine type 
and modelDescription
Lexmark C734n 5026-210 Network
Lexmark C734dn 5026-230 Duplex and network
Lexmark C734dnw 5026-280 Duplex, network, and wireless
Lexmark C736n 5026-410 Network
Lexmark C736dn 5026-430 Duplex and network
Lexmark CS736dn 5026-439 Duplex and network...

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Media options
The C734 and C736 printers support the 550-sheet drawer, special media drawers, and 2000-sheet high-
capacity input tray. The Lexmark C734 printers support up to three input options, while the C736 printers 
support up to four input options. The options can include any combination of 550 sheet drawers and 550 sheet 
Specialty Media Drawers, with a maximum of one 2000 sheet drawer (always at the lowest position.) A caster 
base is required with...

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Printer specifications
Dimensions
The following table contains the dimensions and weight for each of the respective printer models. This does not 
include packaging.
Height Width Depth Weight
Lexmark C734/C736
Basic printer (cartridges only) 450mm
(17.7 in)435mm
(17.1 in)400mm
(15.7 in)25.7kg
(56.7 lbs)
Printer without toner cartridges, 
photoconductors450mm
(17.7 in)435mm
(17.1 in)400mm
(15.7 in)20.0kg
(44.1 lbs)
Lexmark C734dtn/C736dtn
Printer with...

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Clearances
Memory
Number Description Clearance
1 Rear 100 mm (3.9 in.)
2 Right side 100 mm (3.9 in.)
3 Front 400 mm (15.7 in.)
4 Left side 150 mm (5.9. in.)
5 Above 150 mm (5.9 in.)
MemoryAll models
Standard memory—The standard RAM is soldered onto the system board.
Memory size
256MB
Optional memory—Optional DIMM (Dual Inline Memory Module) is a card that can be plugged into an 
available memory slot on the system board. Flash memory is a card that can also...

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Expansion opportunities
Resolution
The following resolutions are available:
•4800CQ (default resolution) 
•1200 x 1200 dpi (at reduced printer speed)
Data streams
•PostScript 3 emulation
•PCL 5c and PCL 6 XL Emulations
•PDF 1.6 with backward compatibility
•PPDS (activated from configuration menu)
•HTML
•XPS
•Direct Image (TIFF, TIF, JPEG, JPG, GIF, PNG, BMP, PCX, and DCX)
Environment specifications
Lexmark 
C734n, 
C734dnLexmark 
C734dwLexmark...

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Electrical and power specifications
The following table specifies nominal average power requirements for the basic printer configurations. All power 
levels are shown in Watts (W). Maximum current is given in Amperes (A).
Low-voltage models
•110 to 127 V ac at 47 to 63 Hertz (Hz) nominal
•99 to 137 V ac, extreme
100-voltage model
•100 V ac at 47 to 63 Hertz (Hz) nominal
•90 to 110 V ac, extreme
High-voltage models
•220 to 240 V ac at 47 to 63 Hz (not...

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•198 to 259 V ac, extreme
Notes:
•Using a 220 V ac to 110 V ac power converter with the low-voltage printer is not recommended.
•Using an inverter (12 V dc to 120 V ac for example) to power the printer is not recommended.
•Only duplex models are ENERGY STAR certified.
Acoustic specifications
All acoustic measurements are made in accordance with ISO 7779:1999—Accoustics: Measurement of airborne 
noise emitted by information technology and...

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Media specifications
Paper designed for use with xerographic copiers should provide satisfactory print quality and feed reliability. 
Other types of media may be suitable. It is recommended that users test any particular brand for suitability to 
their applications. Refer to the printer Users Guide for additional media specifications.
Paper
Follow the media guidelines below for successful printing:
•Rough, highly textured, limp, or pre-curled papers will...

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Using recycled paper and other office papers
Recycled office paper produced specifically for use in laser (electrophotographic) printers may be used in your 
printer. However, no blanket statement can be made that all recycled paper will feed well.
Generally, the following property guidelines apply to recycled paper.
•Low moisture content (4–5%)
•Suitable smoothness (100–200 Sheffield units, or 140–350 Bendtsen units, European)
Note:  Some much smoother...

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Input and output capacities
The following table describes the media options that each model supports, and the estimated capacities in stand 
and maximum configurations. Capacity may vary and is subject to media specifications and printer operating 
environment. The capacities are based on plain paper at 75g/m
2. 
FunctionSupport by model
Lexmark C734n/dn/dw Lexmark C736n/dn
Standard input sources
Primary tray capacity (sheets) 550 550
Multipurpose feeder...