Lexmark X734DE, Руководство по обслуживанию

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1-8
Service Manual
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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 User's Guide for additional media specifications.
Paper
Follow the media guidelines below for successful printing:
• Rough, highly textured, limp, or pre-curled papers will result in lower print quality and more frequent paper
feed failures.
•
Colored papers must be able to withstand 190° C (374° F) fusing temperature.
•
Preprinted forms and letterheads must be able to withstand 190° C (374° F) fusing temperature and should
be selected using guidelines found in the printer
User’s Guide
. The chemical process used in preprinting
may render some papers unsuitable for use.
•
Unsuitable papers include:
–
Multi-part forms and documents
–
Chemically treated papers; coated
–
Synthetic and thermal papers
–
A5 paper less than 80 g/m
2
(21 lb)
–
Recycled paper less than 75 g/m
2
(20 lb)
–
Preprinted papers requiring a high degree of registration.
–
Recycled paper less than 80 g/m
2
(21 lb) may cause unacceptable results.
Envelopes
•
All envelopes should be new, unused, and without package damage.
•
Envelopes with excessive curl or twist exceeding 6 mm, those stuck together, those with bent corners or
nicked edges, or those that interlock should not be used.
• Minimum weight: 60 g/m
2
(16 lb.)
• The following envelopes should not be used:
• Envelopes with windows, holes, perforations, cutouts, or deep embossing
• Envelopes with metal clasps, string ties, or metal folding bars
• Envelopes with exposed flap adhesive when the flap is in the closed position.
• For best results, printing on new 90 g/m
2
(24 lb.) sulfite or 25% cotton bond envelopes is recommended.
• Under high humidity conditions (over 60%), envelopes may seal during printing.
Transparencies
• Use letter or A4-size transparencies for color laser printers only.
• Do not use inkjet transparencies.
Labels
Labels should be selected using guidelines found in the
User's Guide
or the
Card Stock and Label Guide
, and
tested for acceptability.