Oki C941dn C911dn/C931dn/C941dn Troubleshooting Guide - Page 48

Cause, Correct [Media Weight] in

Get Oki C941dn PDF manuals and user guides View all Oki C941dn manuals
Add to My Manuals
Save this manual to your list of manuals

Page 48 highlights

Troubleshooting Maintenance Index Printing Troubles Symptom 1 Stripes or dots appear periodically in horizontal direction. Paper feeding direction 2 Portion of white ground is lightly stained. Cause Troubleshooting In the case of cycle length of about 125 mm, image drum may be unclean or there may be dents on it. Wipe it lightly with a soft tissue paper. If there are dents, replace the image drum. In the case of cycle length of about 38 mm, there is dirt inside the image drum. Open and close the toner replacement cover, and repeat the initial operation. In the case of cycle length of Replace the fuser unit. about 150 mm, there are dents on the fuser unit. Image drum is exposed to light. Return the image drum inside the printer, and do not use the printer for a few hours. If it does not rectify even after that, replace the image drum. Dirt has deposited on the paper Print few pages as test copies. transfer path. Paper has static electricity. Use paper stored at appropriate temperature and humidity. Thick paper is used. Use thinner paper. Low toner. Replace the toner cartridge. Reference pages page 57 Basic page 65 page 57 Basic Basic Border of characters is blurred. LED head is unclean. Paper not supported. Paper is moist. Wipe it with a soft tissue paper. Use recommended paper. Replace with a new paper. page 77 Basic - When printing postcards, Printing of envelopes and Device has not broken down. - envelopes, or coated papers, coated papers will result in Do not use coated paper to the printing will be thinly stained toner deposit overall. extent possible. overall. Rubbing it off will remove the Type and thickness setting of toner. paper is inappropriate. Recycled paper is used. Specks appear on glossy papers. Type and thickness setting of paper is inappropriate. Correct [Media Weight] in the operation panel to appropriate value. Or, change [Media Weight] to a thicker value than the present value. Correct [Media Weight] in the operation panel to appropriate value. Or, change [Media Weight] to a thicker value than the present value. Correct [Media Weight] in the operation panel to appropriate value. Or, change [Media Weight] to a thicker value than the present value. Advanced Advanced Advanced - 48 -

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
-
48
-
Printing Troubles
Troubleshooting
1
2
Index
Maintenance
Symptom
Cause
Troubleshooting
Reference
pages
Stripes or dots appear
periodically in horizontal
direction.
Paper feeding direction
In the case of cycle length of
about 125 mm, image drum
may be unclean or there may
be dents on it.
Wipe it lightly with a soft tissue
paper.
If there are dents, replace the
image drum.
page 57
In the case of cycle length of
about 38 mm, there is dirt
inside the image drum.
Open and close the toner
replacement cover, and repeat
the initial operation.
Basic
In the case of cycle length of
about 150 mm, there are dents
on the fuser unit.
Replace the fuser unit.
page 65
Image drum is exposed to light.
Return the image drum inside
the printer, and do not use the
printer for a few hours. If it
does not rectify even after that,
replace the image drum.
page 57
Dirt has deposited on the paper
transfer path.
Print few pages as test copies.
-
Portion of white ground is
lightly stained.
Paper has static electricity.
Use paper stored at appropriate
temperature and humidity.
Basic
Thick paper is used.
Use thinner paper.
-
Low toner.
Replace the toner cartridge.
Basic
Border of characters is blurred.
LED head is unclean.
Wipe it with a soft tissue paper.
page 77
Paper not supported.
Use recommended paper.
Basic
Paper is moist.
Replace with a new paper.
-
When printing postcards,
envelopes, or coated papers,
printing will be thinly stained
overall.
Printing of envelopes and
coated papers will result in
toner deposit overall.
Device has not broken down.
Do not use coated paper to the
extent possible.
-
Rubbing it off will remove the
toner.
Type and thickness setting of
paper is inappropriate.
Correct [Media Weight] in the
operation panel to appropriate
value. Or, change [Media
Weight] to a thicker value than
the present value.
Advanced
Recycled paper is used.
Correct [Media Weight] in the
operation panel to appropriate
value. Or, change [Media
Weight] to a thicker value than
the present value.
Advanced
Specks appear on glossy
papers.
Type and thickness setting of
paper is inappropriate.
Correct [Media Weight] in the
operation panel to appropriate
value. Or, change [Media
Weight] to a thicker value than
the present value.
Advanced