Canon Pixma Ip4840 User Guide

Advanced Guide > Troubleshooting > Print Results Not Satisfactory > Printed Paper Has Ink Blots or Curls
U316
Printed Paper Curls or Has Ink Blots
 Printed Paper Has Ink Blots
 Printed Paper Curls
Check 1: Did you confirm the paper and print qualit y settings?
Print Results Not Satisfactory
Check 2: If the intensity is set high, reduce the Intensity setting in the
printer driver and try printing again. 
If you are using plain paper to print images with h igh intensity, the paper may absorb too much ink...

Advanced Guide > Troubleshooting > Print Results Not Satisfactory > Paper Is Smudged/Printed Surface Is Scratched
U317
Paper Is Smudged/Printed Surface Is Scratched
 Paper Is Smudged
The Edges of Paper Are Smudged Printed Surface Is Smudged
 Printed Surface Is Scratched
Check 1: Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check 2: Is the appropriate type of paper used? Che ck the followings:
Check to see if the paper you are printing on is suitable for your...

1.Roll up the paper in the opposite direction to the  paper curl as shown below.
2.Check that the paper is now flat. 
W e recommend printing curl-corrected paper one shee
t at a time.
Note
Depending on the media type, the paper may be smudg ed or may not be fed properly even if it
is not curled inward. In such cases, follow the pro cedure described below to curl the paper
outward within 0.1 inch / 3 mm (B) in height before  printing. This may improve the print result.
(C) Printing side 
W e recommend...

2.On the Main sheet, select Manual for Color/Intensity, and then click Set.
3.Drag the Intensity slide bar on the Color Adjustment sheet to adjust the intensity.
Check 6: Is printing performed beyond the recommend ed printing area?
If you are printing beyond the recommended printing  area of your printing paper, the lower edge of
the paper may become stained with ink. 
Resize your original document in your application s oftware.
Printing Area
Check 7: Is the Paper Feed Roller dirty? 
Clean the Paper Feed...

Advanced Guide > Troubleshooting > Print Results Not Satisfactory > Back of the Paper Is Smudged
U318
Back of the Paper Is Smudged
Check 1: Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check 2: Perform the Bottom Plate Cleaning to clean  the inside of the
printer.
Cleaning Inside the Printer
Note
W hen performing borderless printing, duplex printin g, or too much printing, the inside may
become stained with ink.
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Back of the Paper Is...

Advanced Guide > Troubleshooting > Print Results Not Satisfactory > Vertical Lines Are Printed on the Sides of thePrintoutU319
Vertical Lines Are Printed on the Sides of the Prin tout
Check 1: Did you confirm the paper type and print quality settings?
Print Results Not Satisfactory
Check 2: Is the size of the loaded paper correct? 
The vertical lines may be printed in the margin if the size of the loaded paper is larger than that yo u
have specified. 
Set the paper size correctly according to the paper...

Advanced Guide > Troubleshooting > Print Results Not Satisfactory > Colors Are Uneven or Streaked
U320
Colors Are Uneven or Streaked
 Colors Are Uneven
 Colors Are Streaked
Check 1: Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check 2: Print the Nozzle Check Pattern and perform  any necessary
maintenance operations such as Print Head Cleaning. 
Print the Nozzle Check Pattern to determine whether  the ink ejects properly from the print head
nozzles. 
Refer to...

If Print Head Deep Cleaning does not resolve the problem, the Print Head may be damaged.
Contact the service center.
Check 3: Perform Print Head Alignment.
Routine Maintenance
Note
If the problem is not resolved after performing the  Print Head Alignment, perform Print Head
Alignment manually referring to 
Manual Print Head Alignment.
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Colors Are Uneven or Streaked
.ownloadedtfromtManualsPrinterDcomtManuals 

Advanced Guide > Troubleshooting > Printing Does Not Start
U321
Printing Does Not Start
Check 1: Make sure that the power plug is securely  plugged in, then
turn the printer on. 
W hile the  POWER
 lamp is flashing green, the printer is initializing.  W ait until the POWER
 lamp stops
flashing and remains lit green.
Note
W hen printing large data such as a photo or graphics, it
 may take longer to start printing. W hile
the  POWER
 lamp is flashing green, the computer is processing  data and sending it...

Make sure that your printers name is selected in the Print dialog box.
Note
To make the printer the one selected by default, se lect Set as Default Printer.
Check 9: Configure the printer port appropriately. 
Make sure that the printer port is configured appropriately.
1.Log on as a user account with administrator privile ge.
2.Select Devices and Printers from the Start menu. 
In W indows Vista, select the Start menu > Control Panel > Hardware and Sound > Printers.
In W indows XP, select the Start menu >...