Canon I Sensys Lbp6230dw User Guide

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Printing Problems
Together with this section, see  Common  Problems. For problems related to  connection with the  computer, seeInstallation/Settings Problems .
Printing results  are not  satisfactory, or the paper is  curled or wrinkled.
When You Cannot Print Properly
You cannot print.
Can  you print a Windows  test page?  If  you can print a Windows  test page, there is  no  problem with the  machine or the  printer
driver. Check the  print settings of your application.  
Printing a Test  Page in Windows
If  you cannot  print a test page, check  the  following  according to  your environment.
Wireless LAN connection
Wired LAN connection
Check the  connection status (signal strength) of the  wireless LAN.Viewing Network Settings
If  the  connection is  poor,  try the  following. Change  the  channel of your wireless LAN router. If  you have more than one router, set the  channels to  be at least
five channels apart.
If  you can change the  radio output power of your wireless LAN router, raise the  output power.
If  your computer  is  connected to  the  wireless LAN, are  the  computer  and  this machine using the  same wireless LAN
router  SSID ?  If  they are  different, reset the  wireless LAN connection settings of this machine.
Viewing Network SettingsChecking the SSID to Which  Your  Computer Is ConnectedConnecting to a Wireless LAN
When you reset wireless LAN connection settings When  making  settings with the  MF/LBP  Network Setup  Tool,  select [Easy Setup] 
[My wireless LAN access point
does not  have a WPS button or I cannot  find the  button].
As the  wireless LAN router, select the  one with the  SSID  to  which the  computer  is  connected.
Have  you selected the  correct port?  If  there is  no  port to  use, create a port.
Checking the Printer PortConfiguring  Printer Ports
Is  communication on  your computer  restricted  by a firewall ?  If  the  machine cannot  be accessed because  of incorrect
settings,  use the  reset button to  initialize the  system management  settings.
Restricting Communication by Using  FirewallsInitializing  by Using  the Reset  Button
Disable security software  and  other resident software.
Reinstall the  printer driver.
Printer Driver  Installation  Guide
Can  you print from other computers on  the  network?  If  you also  cannot  print from other computers, contact your local
authorized  Canon  dealer or the  Canon  help line.
Have  you selected the  correct port?  If  there is  no  port to  use, create a port.Checking the Printer PortConfiguring  Printer Ports
Is  communication on  your computer  restricted  by a firewall ?  If  the  machine cannot  be accessed because  of incorrect
settings,  use the  reset button to  initialize the  system management  settings.
Restricting Communication by Using  FirewallsInitializing  by Using  the Reset  Button
Disable  security software  and  other resident software.
Reinstall the  printer driver.
Printer Driver  Installation  Guide
Can  you print from other computers on  the  network?  If  you also  cannot  print from other computers, contact your local
authorized  Canon  dealer or the  Canon  help line.
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							USB  connection
Via  print server
It  takes a long time before  printing starts.Did you print on  narrow paper ?  After you print to  narrow width paper,  the  machine may  cool  itself to  maintain the  print quality .
As a result, it may  take some  time  before the  next job is  printed.  Wait until the  machine is  ready to  print.  Printing  will  resu me
when the  temperature inside the  machine has fallen.
A  blank  sheet  is  output (nothing  is  printed).
Did you pull the  sealing tape out  when loading  the  toner cartridge ?  If  you did not  pull it out, remove  the  toner cartridge,  pul l
the  sealing tape out, and  reload the  toner cartridge.  
How to Replace  Toner  Cartridges
Have  you selected the  correct port?  If  there is  no  port to  use or you are  not  sure,  reinstall the  printer driver. When
you reinstall the  printer driver, the  correct port is  created automatically.
Checking the Printer Port
Printer Driver  Installation  Guide
Is  bidirectional communication enabled ?  Enable bidirectional communication,  and  restart the  computer.
Checking Bidirectional  Communication
Disable security software  and  other resident software.
Connect  to  another USB  port on  the  computer.
Delete the  USB  class driver, and  then  reinstall the  printer driver.
Printer Driver  Installation  Guide
Can  you print from a USB  connection to  another computer ?  If  you also  cannot  print from other computers, contact
your local authorized  Canon  dealer or the  Canon  help line.
Can  you print from the  print server ?  If  you can print from the  print server, check  the  connection between  your
computer  and  the  print server.
Problems via the Print Server
Disable security software  and  other resident software.
Reinstall the  printer driver.
Printer Driver  Installation  Guide
Can  you print from other computers via  the  print server ?  If  you also  cannot  print from other computers, contact your
local authorized  Canon  dealer or the  Canon  help line.
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When You Cannot Print Properly
If  printing results are  not  satisfactory,  or paper  creases  or curls, try the  following  solutions. If  the  problems persist, contact your local
authorized  Canon  dealer or the  Canon  help line.
Smudge  Marks Appear  on  the
Bottom Edge of PrintoutsStreaks Appear  on  PrintoutsToner  Smudges and  Splatters
Appear
Afterimages Appear  in Blank
AreasPrintouts Are  FadedA  Portion of the Page Is Not
Printed/Printing Position  is
Wrong
White Streaks Appear/Printing is
UnevenWhite Spots AppearBlack Spots Appear
Reverse Side of Paper is
SmudgedPrintouts Are  GrayishPrinted  Barcode Cannot Be Read
Paper CreasesPaper CurlsPaper Is Not Fed/Two or More
Sheets Are  Fed  Together
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Printing Results Are Not Satisfactory
Grime inside the  machine may  affect printing results. First try cleaning  the  machine. Cleaning  the Machine
Smudge  Marks Appear on the Bottom Edge of Printouts
Did  you print  data without margins,  all the way to the edge of the page?This symptom occurs if  a margin is  set to  none  in the  printer driver. The range that  can be printed on  this machine
is  the  range inside a 5  mm  margin around the  edge of the  paper  or a 10 mm  margin around the  edge of envelopes.
Make  sure  to  have margins around the  document to  print.
[Finishing] tab 
[Advanced  Settings]  [Expand Print Region and  Print] [Off]
Streaks  Appear on Printouts
Are  you using appropriate paper? Check the  usable  paper  types,  and  replace  with appropriate paper.  
Paper
In the  printer driver, change the  setting of [Special Print  Adjustment  A]. The improvement effect is  weakest for
[Mode 1]  and  strongest  for  [Mode 4]. Try  the  adjustment  starting  with [Mode 1]. [Finishing] tab 
[Advanced  Settings]  [Special  Print Adjustment A]   Select mode
When  you select [Mode 2]  or [Mode 4], print quality  may  be lower for  some  types of paper  (especially  thin  paper)
and  some  printing environments (especially  environments with high  humidity). In that  case, select [Mode 1]  or
[Mode 3].
When  you select a stronger improvement effect,  the  overall print density  becomes lighter. Also, edges may
become less sharp and  details may  be rougher.
Toner  may adhere when you replace the toner  cartridge or when you leave the machine without printing for a
long period. In the  printer driver, change the  setting of [Special Print  Adjustment  B]. The remedial effect is  weakest for  [Mode 1]
and  strongest  for  [Mode 3]. Try  the  adjustment  starting  with [Mode 1].
[Finishing] tab 
[Advanced  Settings]  [Special  Print Adjustment B]  Select mode
When  you select a stronger improvement effect,  printing speed becomes slower.
Toner  Smudges and Splatters Appear
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							Are  you using appropriate paper?Check the  usable  paper  types,  and  replace  with appropriate paper.  
Paper
In the  Printer Status Window,  enable  [Reduce Toner Spots Around Text].  
Displaying the Printer Status Window
[Options] 
[Device Settings]  [Assisting Print Settings]  Select the [Reduce Toner  Spots Around  Text]
check box
When  you select this check  box, print quality  may  be lower for  some  types of paper  (especially  thin  paper)  and
some  printing environments (especially  environments with high  humidity). In that  case, clear the  check  box.
Afterimages Appear in Blank Areas
Are  you using appropriate paper?
Check the  usable  paper  types,  and  replace  with appropriate paper.  
Paper
Is it time to replace the toner  cartridge?Materials inside the  toner cartridge  may  have deteriorated. Replace the  toner cartridge.  
How to Replace  Toner  Cartridges
Printouts Are Faded
Is toner  running  low ?Remove the  toner cartridge,  shake  it 5  or 6  times to  evenly distribute the  toner inside the  cartridge,  and  then
reload it into the  machine. 
Using  Up All of the Toner
Are  you using appropriate paper?Check the  usable  paper  types,  and  replace  with appropriate paper.  
Paper
Have you specified  the correct paper type ?Specify the  type of paper  again,  according to  the  type of paper  that  you are  using. 
Basic Print Operations
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							A Portion of the Page Is  Not Printed/Printing Position is Wrong
Did  you print  data without margins,  all the way to the edge of the page?This symptom occurs if  a margin is  set to  none  in the  printer driver. The range that  can be printed on  this machine
is  the  range inside a 5  mm  argin  around the  edge of the  paper  or a 10 mm  margin around the  edge of envelopes.
Make  sure  to  have margins around the  document to  print.
[Finishing] tab
[Advanced  Settings]  [Expand Print Region and  Print] [Off]
White  Streaks  Appear/Printing is Uneven
Is toner  running  low ? Remove the  toner cartridge,  shake  it 5  or 6  times to  evenly distribute the  toner inside the  cartridge,  and  then
reload it into the  machine. 
Using  Up All of the Toner
Is it time to replace the toner  cartridge?Materials inside the  toner cartridge  may  have deteriorated. Replace the  toner cartridge.  
How to Replace  Toner  Cartridges
Is printing uneven for some  types of paper or some  printing environments?In the  printer driver, change the  setting of [Special Print  Adjustment  B]. The remedial effect is  weakest for  [Mode 1]
and  strongest  for  [Mode 3]. Try  the  adjustment  starting  with [Mode 1].
[Finishing] tab 
[Advanced  Settings]  [Special  Print Adjustment B]  Select mode
When  you select a stronger improvement effect,  printing speed becomes slower.
White  Spots Appear
Are  you using paper that has absorbed moisture ? Replace with appropriate paper.  
Paper
Are  you using appropriate paper?Check the  usable  paper  types,  and  replace  with appropriate paper.  
Paper
Is it time to replace the toner  cartridge?Materials inside the  toner cartridge  may  have deteriorated. Replace the  toner cartridge.  
How to Replace  Toner  Cartridges
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							Are  you printing a document with strong contrasts  between light  and  dark, and  does the white appear around
text  or edges  in an image?In the  printer driver, set [Special Print  Mode] to  [Special Settings 2].
[Finishing] tab 
[Advanced  Settings]  [Special  Print Mode]  [Special  Settings  2]
Compared to  the  [Off]  setting, the  [Special Settings 2]  setting selects lighter print density.
Black Spots Appear
Have you cleaned the fixing unit? Clean the  fixing unit. 
Fixing Unit
Reverse Side of Paper is Smudged
Have you loaded paper that is  smaller  than  the size of the print  data?Check to  make sure  that  the  paper  size matches  the  size of the  print data.
Printouts Are Grayish
Is the machine installed in a location  where it is  exposed to direct  sunlight?Move  the  machine to  a location where it is  not  exposed  to  direct sunlight. 
Relocating  the Machine
Printed Barcode Cannot  Be Read
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							Are  you trying to read a small  barcode or one with thick lines?Enlarge  the  barcode.
In the  printer driver, set [Special Print  Mode] to  [Special Settings 1].
[Finishing] tab 
[Advanced  Settings]  [Special  Print Mode]  [Special  Settings  1]
When  you specify  [Special Settings 1], printouts may  be faded.
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Paper Creases or Curls
Paper Creases
Is the paper loaded correctly?Paper  may  crease when it is  not  loaded  below the  load limit guides,  or when it is  loaded  obliquely.  
Loading Paper in the Multi- Purpose TrayLoading Paper in the Manual Feed Slot
Are  you using paper that has absorbed moisture ?Replace with appropriate paper.  
Paper
In the  printer driver, change the  setting of [Wrinkle  Adjustment]. The improvement effect is  weaker  for  [Mode 1]
and  stronger for  [Mode 2]. Try  the  adjustment  starting  with [Mode 1]. [Finishing] tab 
[Advanced  Settings]  [Wrinkle Adjustment]  Select mode
When  you select a stronger improvement effect,  printing speed may  be slower.
Are  you using appropriate paper? Check the  usable  paper  types,  and  replace  with appropriate paper.  
Paper
Paper Curls
Are  you using paper that has absorbed moisture ?Replace with appropriate paper.  
Paper
If  you have set [Paper Type] to  [Plain], try printing after setting [Paper Type] to  [Plain L]. 
Basic Print Operations
When  you set [Paper Type] to  [Plain L], printouts may  appear  faded  because  toner does not  adhere  adequately to
the  paper.  
In the  Printer Status Window,  enable  [Perform Curl Correction for  Output  Paper]. 
Displaying the Printer Status Window
[Options] 
[Device Settings]  [Assisting Print Settings]  Select the [Perform  Curl Correction  for
Output Paper] check box
When  you select this check  box, printing speed may  be slower. 
In the  printer driver, change the  setting of [Wrinkle  Adjustment]. The improvement effect is  weaker  for  [Mode 1]
and  stronger for  [Mode 2]. Try  the  adjustment  starting  with [Mode 1]. [Finishing] tab 
[Advanced  Settings]  [Wrinkle Adjustment]  Select mode
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							When  you select a stronger improvement effect,  printing speed may  be slower.
Are  you using appropriate paper?Check the  usable  paper  types,  and  replace  with appropriate paper.  
Paper
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