Canon printer PIXMA MX7600 User Manual

							117
Routine Maintenance
4Check the print head condition with the printed nozzle check pattern, and take 
appropriate action.
See “Examining the Nozzle Check Pattern” on page 115.
Print Head Deep Cleaning
If print quality does not improve by standard  Print Head Cleaning, try Print Head Deep Cleaning, 
which is a more powerful process. Note that cl eaning the Print Head causes used ink to be absorbed 
in the ink absorber. Print Head Deep Cleaning consumes more ink than standard Print Head 
Cleaning, so perform this procedure only when necessary.
1Make sure that the machine is turned on,  and then load a sheet of A4 or Letter-
sized plain paper in the Cassette.
2Open the Paper Output Tray, and then open the Output Tray Extension.
(1) Press the Open button to open the Paper Output Tray.
(2) Open the Output Tray Extension.
3Start Print Head Deep Cleaning.
(1)Press the  Menu button.
(2) Use the  [ or  ] button to select  Maintenance/settings , then press the OK button.
The  Maintenance/settings  screen is displayed.
(3) Use the  [ or  ] button to select  Maintenance, then press the  OK button.
The  Maintenance  screen is displayed.
(4) Use the  { or  }
 button to select  Deep 
cleaning , then press the  OK button.
The confirmation sc reen is displayed.
(5) Use the  { or  }
 button to select  Ye s, then press the  OK button.
Print Head Deep Cleaning starts.
Do not perform any other operations until Pr int Head Deep Cleaning finishes. This takes 
about 2 minutes.
The pattern print confirmation screen is displayed.
(6) Use the  { or  } button to select  Ye s, then press the  OK button.
The nozzle check pattern is printed.
Note
If the problem is not resolved after performing Print Head Cleaning twice, try Print Head Deep 
Cleaning. See “Print Head Deep Cleaning” on page 117. 
						

							118Routine Maintenance
4Check the condition of the Print Head.
(1)Check the print head condition with the printed nozzle check pattern.
See “Examining the Nozzle Check Pattern” on page 115.
If a particular color is not printed properly, replace the ink tank of that color.
See “Replacing an Ink Tank” on page 103.
(2) If the problem is not resolved, turn off the machine and perform another Print Head Deep 
Cleaning after 24 hours.
(3) If this does not solve the problem, the Print Head may be damaged. Contact your Canon 
service representative.
Aligning the Print Head
If ruled lines are printed with misaligned or print re sults are otherwise unsatisfactory, adjust the print 
head position.
„ Automatic Print Head Alignment
1Make sure that the machine is turned on, an d then load four sheets of A4 or Letter-
sized plain paper in the Cassette.
2Open the Paper Output Tray, and then open the Output Tray Extension.
(1) Press the Open button to open the Paper Output Tray.
(2) Open the Output Tray Extension.
3Adjust the print head position.
(1)Press the  Menu button.
(2) Use the  [ or  ] button to select  Maintenance/settings , then press the OK button.
The  Maintenance/settings  screen is displayed.
(3) Use the  [ or  ] button to select  Maintenance, then press the  OK button.
The  Maintenance  screen is displayed.
(4) Use the  { or  } button to select  Auto head align , 
then press the  OK button.
The confirmation sc reen is displayed.
Important
You cannot feed paper from the Cassette when performing Automatic Print Head Alignment. Always load 
paper in the Rear Tray.
Note
The print head alignment pattern is printed in black and blue.
Note
If you select Head alignment print , the machine exits 
the process after printing the current head position 
adjustment values. 
						

							119
Routine Maintenance
(5) Use the  { or  } button to select  Ye s, then press the  OK button.
The print head is aligned automatically, and the  print head pattern after the adjustment is 
printed out. This takes about 6 minutes.
„ Manual Print Head Alignment
If the results of Automatic Print Head Alignment are not satisfactory, follow the procedure below 
to perform Manual Print Head Alignment.
For details on performing Automatic Print He ad Alignment, see “Automatic Print Head 
Alignment” on page 118.
1Make sure that the machine is turned on, and then load two sheets of A4 or Letter-
sized plain paper in the Cassette.
2Open the Paper Output Tray, and then open the Output Tray Extension.
(1) Press the Open button to open the Paper Output Tray.
(2) Open the Output Tray Extension.
3Print the print head alignment pattern.
(1)Press the  Menu button.
(2) Use the  [ or  ] button to select  Maintenance/settings , then press the OK button.
The  Maintenance/settings  screen is displayed.
(3) Use the  [ or  ] button to select  Maintenance, then press the  OK button.
The  Maintenance  screen is displayed.
(4) Use the  { or  }
 button to select  Manual head align , then press the OK button.
The confirmation sc reen is displayed.
(5) Use the  { or  }
 button to select  Ye s, then press the  OK button.
The print head alignment pattern is printed.
(6) When “ Did the patterns print correctly? ” is 
displayed, confirm that the pattern is printed 
correctly, use the  { or  } button to select  Ye s, 
then press the  OK button.
The input screen for the head position 
adjustment values is displayed.
Note
z If adjustment was not done successfully, the “ Auto head align has failed.” error message is 
displayed on the LCD. For details, see “An Error Message Is Displayed on the LCD” on 
page 133.
z If results of Automatic Print Head Alignment are not satisfactory, perform Manual Print Head 
Alignment. For details, see “Manual Print Head Alignment” on page 119.
Note
If you select  Head alignment print , the machine exits the process after printing the current 
head position adjustment values. 
						

							120Routine Maintenance
4Look at the first printout, and then adjust the print head position.
(1)Check the printed patterns, and use the [ or 
] button to input the number of the pattern in 
column A that has the least noticeable vertical 
streaks.
(2)Repeat the same procedure until you finish inputting the pattern number for columns B to 
K, then press the OK button.
(3)Confirm the displayed message and press the OK button.
The second pattern is printed.
Note
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable 
vertical white streaks.
(A) 
Less noticeable vertical white streaks
(B) More noticeable vertical white streaks
(A) (B) 
						

							121 Routine Maintenance
5Look at the second printout, and then adjust the print head position.
(1)Check the printed patterns, and use the [ or 
] button to input the number of the pattern in 
column L that has the least noticeable vertical 
streaks. 
(2)Repeat the same procedure until you finish 
inputting the pattern number for columns M to 
Q, then press the OK button.
(3)Use the [ or ]button to input the number of 
the pattern in column R that has the least 
noticeable horizontal streaks.
(4)Repeat the same procedure until you finish inputting the pattern number for columns S to 
T, then press the OK button.
Note
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable 
horizontal white streaks.
(E) Less noticeable horizontal white streaks
(F) More noticeable horizontal white streaks
(E) (F) 
						

							122Routine Maintenance
Performing Ink Quality Maintenance Manually
This section describes manual ink quality maintenance operation.
If automatic ink quality maintenance is disabled to prevent extensive vibration and noise, follow the 
following instructions to manually stir the inks about once a week.
1Press the Menu button.
2Use the [ or ] button to select Maintenance/settings, then press the OK button.
The Maintenance/settings screen is displayed.
3Use the [ or ] button to select Maintenance, then press the OK button.
The Maintenance screen is displayed.
4Use the { or } button to select Ink quality maintenance, then press the OK 
button.
The confirmation screen is displayed.
5Use the { or } button to select Ye s, then press the OK button.
The machine will vibrate for about 10 seconds, and up to 2 minutes, while the machine stirs 
the inks. Do not open the Scanning Unit (Printer Cover) while the machine is operating.
Note
Enabling the automatic ink quality maintenance function is recommended. For details on specifying the ink 
quality maintenance setting, refer to “Device Settings” of the User’s Guide on-screen manual. 
						

							123 Routine Maintenance
Cleaning Your Machine
This section describes the cleaning procedure that is needed to maintain your machine.
„Wiping Off Dirt on the Machine
Be sure to use a soft cloth such as eyeglasses cleaning cloth and wipe off dirt on the surface 
with it gently. Smooth out wrinkles on the cloth if necessary before cleaning.
„Cleaning the Platen Glass and Document Cover
Caution
zDo not use tissue paper, paper towels, or similar materials for cleaning. Paper tissue powders or fine 
threads may remain inside the machine and cause problems such as a blocked Print Head and poor 
printing results. Use a soft cloth to avoid scratching the components. 
zNever use volatile liquids such as thinners, benzene, acetone, or any other chemical cleaner to clean 
the machine, as this may cause a malfunction or damage the machine’s surface.
CautionzBe sure to turn off the power and unplug the power cord before cleaning the machine.
zThe power cannot be turned off while the machine is sending or receiving a fax, or when there 
are unsent faxes stored in the machine’s memory.
zThe machine cannot receive faxes when the power is turned off.
zIf you unplug the power cord, all the documents stored in memory are deleted. Send or print 
necessary documents before unplugging the power cord.
Important
zWhen cleaning the exterior of the machine, do not use tissue paper, rough-textured cloth, or 
similar materials, as this may scratch the surface.
zNever use neutral detergent or volatile liquids such as thinners, benzene, acetone, or any other 
chemical cleaner, as this may damage the surface.
Caution
zBe sure to turn off the power and unplug the power cord before cleaning the machine.
zThe power cannot be turned off while the machine is sending or receiving a fax, or when there 
are unsent faxes stored in the machine’s memory.
zThe machine cannot receive faxes when the power is turned off.
zIf you unplug the power cord, all the documents stored in memory are deleted. Send or print 
necessary documents before unplugging the power cord.
Important
The inner side of the Document Cover (white sheet) (A) is easily damaged, so wipe it gently. 
						

							124Routine Maintenance
With a clean, soft, lint-free cloth, wipe the Platen Glass (B), the inner side of the Document 
Cover (white sheet) (A), the glass of the ADF (C), and the inner side of the ADF (white area) (D) 
gently. Make sure not to leave any residue, especially on the Platen Glass.
„Cleaning the ADF
1Open the Document Tray.
2Open the Document Feeder Cover.
Caution
zBe sure to turn off the power and unplug the power cord before cleaning the machine.
zThe power cannot be turned off while the machine is sending or receiving a fax, or when there 
are unsent faxes stored in the machine’s memory.
zThe machine cannot receive faxes when the power is turned off.
zIf you unplug the power cord, all the documents stored in memory are deleted. Send or print 
necessary documents before unplugging the power cord.
(D)(A)
(B)(C) 
						

							125 Routine Maintenance
3With a soft, clean, lint-free and dry cloth, wipe 
off any paper dust from the inside of the 
Document Feeder Cover (A).
4After wiping, close the Document Feeder 
Cover by pushing it until it clicks into place.
5Close the Document Tray.
„Cleaning the Paper Feed Roller (Roller Cleaning)
Clean the paper feed roller if paper is not fed properly. Cleaning the paper feed roller will wear 
the roller, so perform this only when necessary.
1Make sure that the machine is turned on, and then remove any paper from the 
Rear Tray and Cassette.
2Clean the paper feed roller.
(1)Press the Menu button.
(2)Use the [ or ] button to select Maintenance/settings, then press the OK button.
The Maintenance/settings screen is displayed.
(3)Use the [ or ] button to select Maintenance, then press the OK button.
The Maintenance screen is displayed.
(4)Use the { or }
 button to select Roller cleaning, then press the OK button.
The confirmation screen is displayed.
(5)Use the { or }
 button to select Ye s, then press the OK button.
(6)Use the { or }
 button to select Rear tray or Cassette, then press the OK button.
The Paper Feed Roller will rotate as it is cleaned.
3Repeat (4) and (6) in step 2 twice.
4Open the Paper Output Tray, and then open the Output Tray Extension.
(1)Press the Open button to open the Paper Output Tray.
(2)Open the Output Tray Extension.
5Make sure that the paper feed roller stops rotating, then load three sheets of A4 or 
Letter-sized plain paper in portrait orientation in the paper source you cleaned.
Caution
zThe power cannot be turned off while the machine is sending or receiving a fax, or when there 
are unsent faxes stored in the machine’s memory.
zThe machine cannot receive faxes when the power is turned off.
zIf you unplug the power cord, all the documents stored in memory are deleted. Send or print 
necessary documents before unplugging the power cord.
(A) 
						

							126Routine Maintenance
6Repeat (4) and (6) in step 2 three times.
The paper cleans the paper feed roller as it feeds through the machine.
If the problem is not resolved after cleaning the Rear Tray, turn off the machine, unplug the 
power cord, and then wipe the paper feed roller (A) located on the right side inside the Rear Tray 
with a moistened cotton swab or the like. Rotate the roller (A) manually as you clean it. Do not 
touch the roller with your fingers; rotate it with the cotton swab.
If the problem is still not resolved after performing the procedure above, contact your Canon 
service representative.
„Cleaning the Inside of the Machine (Bottom Plate Cleaning)
This section describes how to clean the inside of the machine. If the inside of the machine 
becomes dirty, printed paper may get dirty, so we recommend performing cleaning regularly.
1Make sure that the machine is turned on, and then remove any paper from the 
Rear Tray.
2Open the Paper Output Tray, and then open the Output Tray Extension.
(1)Press the Open button to open the Paper Output Tray.
(2)Open the Output Tray Extension.
3Fold a single sheet of A4 or Letter-sized plain paper in half widthwise, and then 
unfold the paper.
ImportantzUse the Rear Tray to feed paper when cleaning the bottom plate.
zDo not perform any other operation while the bottom plate is being cleaned.
(A)