Sharp AL 1631 AL-1631 AL-1641CS Operation Manual - Page 63

Troubleshooting The Unit

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8 TROUBLESHOOTING THE UNIT This chapter describes misfeed removal and troubleshooting. For problems with the printer function or the scanner function, see the online manual or the Help file for the printer/scanner driver. TROUBLESHOOTING If any problem occurs, check the list below before contacting our Technical Assistance Department. Problem Possible cause Solution Page Unit plugged in? Plug the unit into a grounded outlet. 12 Unit does not operate. Power switch on? Turn the power switch on. 12 Side cover closed securely? Gently close the side cover. 11 Front cover closed? Gently close the front cover and then close the side cover. 11 Blank copies Is the original placed face down on the document glass or face up in the SPF? Place the original face down on the document glass or face up in the SPF. 47, 48 Is original image too dark or Adjust the exposure manually. too light? 49 Copies are too Is the unit in the automatic Adjust the automatic exposure level. dark or too light. exposure mode? 50 Is the unit in the photo exposure mode? Cancel the photo exposure mode. 49 Dust, dirt, smudges appear on copies. Document glass or SPF dirty? Original smudged or blotchy? Clean regularly. Use a clean original. 59 - Striped copies Is transfer charger clean? Clean the transfer charger. 60 Non-standard paper used? Use standard paper. If using special papers, feed the paper through the 14 multi-bypass tray. Paper misfeeds frequently. Paper curled or damp? Store paper flat in the wrapper in a dry location. - Pieces of paper inside unit? Remove all pieces of misfed paper. 63 Paper guides in the paper tray not set properly? Set the guides properly depending on the paper size. 15, 18 Too much paper in the Remove excessive paper from the paper tray or multi-bypass tray. tray? 15, 17 Is the paper too heavy? Use paper within the specified range. 14 Images rub off the Paper damp? copy easily. Replace with dry paper. If the unit is not used for long time, remove the paper from the paper tray and store it 71 in its wrapper in a dry location. 8 61

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61
8
This chapter describes misfeed removal and troubleshooting.
For problems with the printer function or the scanner function, see the online manual
or the Help file for the printer/scanner driver.
TROUBLESHOOTING
If any problem occurs, check the list below before contacting our Technical
Assistance Department.
Problem
Possible cause
Solution
Page
Unit does not
operate.
Unit plugged in?
Plug the unit into a grounded outlet.
12
Power switch on?
Turn the power switch on.
12
Side cover closed securely?
Gently close the side cover.
11
Front cover closed?
Gently close the front cover and then
close the side cover.
11
Blank copies
Is the original placed face
down on the document
glass or face up in the
SPF?
Place the original face down on the
document glass or face up in the
SPF.
47, 48
Copies are too
dark or too light.
Is original image too dark or
too light?
Adjust the exposure manually.
49
Is the unit in the automatic
exposure mode?
Adjust the automatic exposure level.
50
Is the unit in the photo
exposure mode?
Cancel the photo exposure mode.
49
Dust, dirt,
smudges appear
on copies.
Document glass or SPF
dirty?
Clean regularly.
59
Original smudged or
blotchy?
Use a clean original.
–
Striped copies
Is transfer charger clean?
Clean the transfer charger.
60
Paper misfeeds
frequently.
Non-standard paper used?
Use standard paper. If using special
papers, feed the paper through the
multi-bypass tray.
14
Paper curled or damp?
Store paper flat in the wrapper in a
dry location.
–
Pieces of paper inside unit?
Remove all pieces of misfed paper.
63
Paper guides in the paper
tray not set properly?
Set the guides properly depending on
the paper size.
15, 18
Too much paper in the
paper tray or multi-bypass
tray?
Remove excessive paper from the
tray.
15, 17
Images rub off the
copy easily.
Is the paper too heavy?
Use paper within the specified range.
14
Paper damp?
Replace with dry paper. If the unit is
not used for long time, remove the
paper from the paper tray and store it
in its wrapper in a dry location.
71
8
TROUBLESHOOTING THE UNIT