Canon Pixma Ip4700 User Guide

							Advanced GuideTroubleshooting
Contents > Routine Maintenance > W hen Printing Becomes Faint or Colors Are Incorrect
When Printing Becomes Faint or Colors Are Incorrect 
If print results are blurred or colors are not printed correctly, the pint head nozzles are probably c logged.
Follow the procedure below to print the nozzle chec k pattern, check the print head nozzle condition, then
clean the Print Head. 
If printed ruled lines are misaligned or print results  are otherwise unsatisfactory, aligning the Print Head
may improve print quality.
 Important
 Do not rinse or wipe the Print Head and ink tanks. Thi s can cause trouble with the Print Head and ink
tanks.
 Note
Before performing maintenance Open the Top Cover and make sure that all lamps on the  ink tanks are lit red.
If not, see Checking the Ink Status and take an appropriate action.
 Increasing the print quality in the printer driver settings may improve the print result.
For details, refer to the on-screen manual: 
Advanced Guide.
 When the Print Results Are Blurred or Uneven:
Step 1
See Printing the Nozzle Check Pattern.
See 
Examining the Nozzle Check Pattern.
After cleaning the Print Head, print 
and examine the nozzle check 
pattern.If there are missing lines or horizontal white stre aks in the
pattern:
Step 2
See Cleaning the Print Head.
If the problem is not resolved after cleaning the Print  Head
twice:
  
  
Step 3
See Cleaning the Print Head Deeply.  
 Note
 W hen you have performed the procedure until step 3 an d the problem has not been resolved, turn
off the power and clean the Print Head deeply again  after 24 hours. If the problem is still not
resolved, the Print Head may be damaged. Contact the se rvice center.
 When the Print Results Are Not Even such as the Ruled L ines
Are Misaligned:
See Aligning the Print Head.    Page 51 of 437 pages
When Printing Becomes Faint or Colors Are Incorrect
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When Printing Becomes Faint or Colors Are Incorrect
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							Advanced GuideTroubleshooting
Contents > Routine Maintenance > W hen Printing Becomes Faint or Colors Are Incorrect >  Printing the Nozzle Check
Pattern
 Printing the Nozzle Check Pattern 
Print the nozzle check pattern to determine whether  the ink ejects properly from the print head nozzles.
You need to prepare: a sheet of A4 or Letter-sized p lain paper
 Note
 If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the
ink tank whose ink is low.
See Replacing an Ink Tank.
Printing the nozzle check pattern without a compute r
 You can also print the nozzle check pattern from the printer itself using the RESUME/CANCEL
button.
1. Make sure that the power is turned on and one or  more sheets of A4 or Letter-sized plain paper
are loaded in the Cassette.
2. Open the Paper Output Tray gently, and extend th e Output Tray Extension to open.
If the Inner Cover is open, close it.
3. Hold down the 
RESUME/CANCEL button until the  Power lamp flashes green twice, then releaseit immediately. 
The nozzle check pattern will be printed. 
Do not perform any other operations until the printe r completes the printing of the nozzle check
pattern. 
Examine the nozzle check pattern and take an appropriat e action.
See step 1 in 
Examining the Nozzle Check Pattern.
1.Make sure that the power is turned on.
2.Make sure that one or more sheets of A4 or Letter-sized  plain paper are loaded in
the Cassette.
3.Open the Paper Output Tray gently, and extend the Ou tput Tray Extension to open.
 Important
 If the Inner Cover is open, close it.
4.Open the printer driver setup window.
See 
Opening the Printer Driver Setup W indow (W indows).
5.Print the nozzle check pattern.
(1) Click the Maintenance tab.
(2) Click Nozzle Check. Page 53 of 437 pages
Printing the Nozzle Check Pattern
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							(3) Confirm the displayed message and click Print Check Pattern.
The nozzle check pattern will be printed. 
Do not perform any other operations until the printe r completes the printing of the nozzle check pattern.
 Note
 Clicking Initial Check Items displays the items to be checked  before printing the nozzle
check pattern.
6.Examine the nozzle check pattern.
See 
Examining the Nozzle Check Pattern.
1.Make sure that the power is turned on.
2.Make sure that one or more sheets of A4 or Letter-sized  plain paper are loaded in
the Cassette.
3.Open the Paper Output Tray gently, and extend the Ou tput Tray Extension to open.
 Important
 If the Inner Cover is open, close it.
4.Open the Canon IJ Printer Utility.
See 
Opening the Canon IJ Printer Utility (Macintosh).
5.Print the nozzle check pattern.
(1) Select Test Print in the pop-up menu.
(2) Click Nozzle Check. Page 54 of 437 pages
Printing the Nozzle Check Pattern
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							(3) Confirm the displayed message and click Print Check Pattern.
The nozzle check pattern will be printed. 
Do not perform any other operations until the printe r completes the printing of the nozzle check pattern.
 Note
 Clicking Initial Check Items displays the items to be checked  before printing the nozzle
check pattern.
6.Examine the nozzle check pattern.
See 
Examining the Nozzle Check Pattern.
 
     
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Printing the Nozzle Check Pattern
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							Advanced GuideTroubleshooting
Contents > Routine Maintenance > W hen Printing Becomes Faint or Colors Are Incorrect >  Examining the Nozzle
Check Pattern
 Examining the Nozzle Check Pattern 
Examine the nozzle check pattern, and clean the Pri nt Head if necessary.
1.Check if there are missing lines in the pattern (1)  or horizontal white streaks in the
pattern (2).
If there are missing lines in the pattern (1): Clean the print head nozzles of the Black ink group (PG BK).
(A) Good
(B) Bad (Lines are missing)
If there are horizontal white streaks in the pattern  (2):
Clean the print head nozzles of the Color ink group ( C, M, Y, BK).
(A) Good 
(B) Bad (Horizontal white streaks are present)
If there are missing lines in the pattern (1) and a lso there are horizontal white streaks in the
pattern (2):
Clean the print head nozzles of the All Colors ink group.
2.Take the appropriate action.
When cleaning is not required:
Click Exit (W indows) or Quit (Macintosh) on the Pattern  Check dialog box to exit the nozzle check
pattern examination.
When cleaning is required:
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Examining the Nozzle Check Pattern
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							(1) Click Cleaning.
      
  
  
(2) Make sure that one or more sheets of A4 or Letter-size d plain paper are loaded
in the Cassette.
Follow the procedure from (3) in step 5 (W indows or Ma cintosh) in Cleaning the Print Head to clean the Print
Head.
  
   
Go to Select the ink group to clean. in Cleaning the Print Head.
   
Go to Select the ink group to clean. in Cleaning the Print Head.
 
     
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Examining the Nozzle Check Pattern
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							Advanced GuideTroubleshooting
Contents > Routine Maintenance > W hen Printing Becomes Faint or Colors Are Incorrect >  Cleaning the Print Head
 Cleaning the Print Head 
Clean the Print Head if there are missing lines or  horizontal white streaks in the printed nozzle chec k
pattern. Cleaning unclogs the nozzles and restores  the print head condition. Cleaning the Print Head
consumes ink, so clean the Print Head only when necessary.
You need to prepare: a sheet of A4 or Letter-sized p lain paper
 Note
Cleaning the Print Head without a computer
 You can also clean the Print Head (print head nozzles of all ink colors) from the printer itself using
the RESUME/CANCEL button.
1. Make sure that the power is turned on. 
2. Hold down the 
RESUME/CANCEL button until the  Power lamp flashes green once, then release
it immediately. 
The printer starts cleaning the Print Head. 
W hen the  Power lamp is lit green after flashing, the cleaning will b
e completed.
Print the nozzle check pattern to check the print head con dition after cleaning.
See 
Examining the Nozzle Check Pattern.
If you click Cleaning on the Pattern Check dialog b ox that appears after printing the nozzle check pattern
(See 
W hen cleaning is required:.), the printer starts cleaning the Print Head. Mak e sure that one or more
sheets of A4 or Letter-sized paper are loaded in th e Cassette, then go to (3) in step 5.
1.Make sure that the power is turned on.
2.Make sure that one or more sheets of A4 or Letter-sized  plain paper are loaded in
the Cassette.
3.Open the Paper Output Tray gently, and extend the Ou tput Tray Extension to open.
 Important
 If the Inner Cover is open, close it.
4.Open the printer driver setup window.
See 
Opening the Printer Driver Setup W indow (W indows).
5.Clean the Print Head.
(1) Click the Maintenance tab.
(2) Click Cleaning. Page 58 of 437 pages
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							(3) Select the ink group to clean.
 Note
 This printer has two kinds of black ink: PGBK (pigment ink) and BK (dye ink).
Check the nozzle check pattern, then click Black if there are  missing lines in PGBK, or click
Color if there are horizontal white streaks in BK. 
For details on the nozzle check pattern, see 
Examining the Nozzle Check Pattern.
(4) Click Execute.
The printer starts cleaning the Print Head when the  Power lamp starts flashing green.
Do not perform any other operations until the printe r completes the cleaning of the Print Head. This takes
about 1 minute 30 seconds.
 Note
 Clicking Initial Check Items displays the items to be checked  before cleaning the Print Head.
(5) Confirm the displayed message and click Print Chec k Pattern.
The nozzle check pattern will be printed. 
Do not perform any other operations until the printe r completes the printing of the nozzle check pattern.
6.Examine the nozzle check pattern.
See 
Examining the Nozzle Check Pattern.
 Note
 If the problem is not resolved after cleaning the Prin t Head twice, clean the Print Head deeply.
See Cleaning the Print Head Deeply.
If you click Cleaning on the Pattern Check dialog b ox that appears after printing the nozzle check pattern
(See 
W hen cleaning is required:.), the printer starts cleaning the Print Head. Mak e sure that one or more
sheets of A4 or Letter-sized paper are loaded in th e Cassette, then go to (3) in step 5. Page 59 of 437 pages
Cleaning the Print Head
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							1.Make sure that the power is turned on.
2.Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in
the Cassette.
3.Open the Paper Output Tray gently, and extend the Ou tput Tray Extension to open.
 Important
 If the Inner Cover is open, close it.
4.Open the Canon IJ Printer Utility.
See 
Opening the Canon IJ Printer Utility (Macintosh).
5.Clean the Print Head.
(1) Make sure that Cleaning is selected in the pop-up menu . 
(2) Click Cleaning.
(3) Select the ink group to clean.
 Note
 This printer has two kinds of black ink: PGBK (pigment ink) and BK (dye ink).
Check the nozzle check pattern, then click Black if there are  missing lines in PGBK, or click
Color if there are horizontal white streaks in BK. 
For details on the nozzle check pattern, see 
Examining the Nozzle Check Pattern.
(4) Click OK.
The printer starts cleaning the Print Head when the  Power lamp starts flashing green.
Do not perform any other operations until the printe r completes the cleaning of the Print Head. This takes
about 1 minute 30 seconds.
 Note
 Clicking Initial Check Items displays the items to be checked  before cleaning the Print Head.Page 60 of 437 pages
Cleaning the Print Head
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