Canon Pixma Mp830 User Guide

Chapter 11 169Troubleshooting
„When Copying
The size of the print data is too large.Check the size of the print data. For Windows XP and Windows 2000, if the 
size of the data is too large, part of it may be lost. When the spool format is 
EMF, follow the procedure below.
1. Open the printer properties dialog box.
2. On the [Page Setup] tab, click [Print Options].
3. Select the [Reduce spool data size] check box, and click [OK].
NoteWhen Reduce spool data size is set, the print quality may be degraded....

170Chapter 11Troubleshooting
Back of Paper is Smudged/Paper Does Not Feed 
Properly/Printed Surface is Scratched
CauseAction
Inside of the machine is dirty. If the inside of the machine is dirty, printed paper may be smudged.
Follow the steps described below to clean the inside of the machine.
1. Press [ON/OFF] to turn on the machine, then remove any paper from the 
Auto Sheet Feeder and Cassette. See “Turning on the Machine” on 
page 18.
2. Place the only one sheet of A4/Letter-size plain paper in...

Chapter 11 171Troubleshooting
Paper Feed Roller is dirty. Follow the steps described below to clean the Paper Feed Rollers.
Cleaning the Paper Feed Rollers consumes them, so perform this 
procedure only when necessary.
1. Press [ON/OFF] to turn on the machine, then remove any paper from the 
Auto Sheet Feeder and Cassette. See “Turning on the Machine” on 
page 18.
2. Use [Feed Switch] to select the paper source to clean.
3. Use [ ] or [ ] to select  from the  
and press [OK].
4. Use [ ] or [ ] to select...

172Chapter 11Troubleshooting
Thick paper is used. If you set the machine to prevent paper abrasion, the clearance between 
the Print Head and the loaded paper is widened. 
If the printing surface is abraded even with the media type set correctly to 
match the loaded paper, set the machine to prevent paper abrasion.
When copying or printing directly, see “If printing surface abrasion is not 
resolved even after taking the actions above:” on page 173.
When printing from a computer, follow the procedure...

Chapter 11 173Troubleshooting
Inner Cover is not closed 
completely.Close the Inner Cover completely. Paper does not feed properly if the 
Inner Cover is even slightly open.
The media type is not selected 
correctly in the printer driver.
On the [Main] tab of the printer driver, ensure that the [Media Type] 
selected matches the paper loaded. The print surface is smudged with 
some printing jobs despite being set correctly. Should this occur, on the 
[Maintenance] tab, click [Custom Settings] and place a...

174Chapter 11Troubleshooting
„Paper Curls/Ink Blots
Paper Jams
CauseAction
Paper being used is too thin. Use Photo Paper Pro or other Canon specialty paper to print images that 
have a high color saturation. See “Media types you cannot use” on 
page 24.
The media type is not selected 
correctly on the Operation Panel.Ensure that the media type selected on the Operation Panel matches that 
of the paper loaded.
CauseAction
Paper jams in the Paper Output Slot/
Auto Sheet Feeder.Remove the paper according to...

Chapter 11 175Troubleshooting
Paper jams inside the machine 
(Transport Unit).Remove the paper according to the following procedure.
1. Open the Rear Cover.
2. When you can see the jammed paper, slowly pull the paper out.
Be careful not to touch the components inside the machine.
If you cannot pull the paper out, turn the machine off and turn it back 
on. The paper will be ejected automatically.
3. Close the Rear Cover.
4. If you could not extract the paper in step 2, remove the Cassette.
5. Slowly pull...

176Chapter 11Troubleshooting
Paper jams inside the machine 
(Duplex Transport Section).Remove the paper according to the following procedure.
1. Remove the Cassette.
If the paper is loaded in the Auto Sheet Feeder, remove the paper from 
the Auto Sheet Feeder.
2. Stand the machine with the left side down.
CautionAlways stand the machine with the left side down when standing the 
machine. Be careful that the right side is not down.
3. Slowly pull the jammed paper out while pulling the green cover toward...

Chapter 11 177Troubleshooting
Document Jams
CauseAction
Document jams in the ADF 
(Document Tray).Remove the document according to the following procedure.
1. Press [Stop/Reset].
2. If a multi-page document is loaded, remove any pages other than the 
jammed page from the ADF, then open the Feeder Cover.
3. Raise the paper release lever (A) then remove the jammed page from 
under the roller to the Feeder Cover side.
4. Pull out the jammed document from the ADF.
If the document cannot be pulled out with...

178Chapter 11Troubleshooting
Cannot Print Properly from a Photo Index Sheet
Document jams in the ADF 
(inner side).Remove the document according to the following procedure.
1. Follow steps 1 to 3 under “Document jams in the ADF (Document Tray).” 
on page 177.
2. Open the Document Cover and pull out the document from the inner 
side.
3. Close the Document Cover.
4. Lower the paper release lever (A) then close the Feeder Cover.
zWhen rescanning the document after clearing the error, rescan it from 
the...