Canon Pixma Ip2850 User Guide

When Printing Becomes Faint or Colors Are Incorrect
Maintenance Procedure
Printing the Nozzle Check Pattern
Examining the Nozzle Check Pattern
Cleaning the Print Head
61
 

Maintenance ProcedureIf print results are blurred, colors are not printed correctly, or print results are unsatisfactory (e.g. misalignedprinted ruled lines), perform the maintenance procedure below.
Important
•
Do not rinse or wipe the FINE cartridge. This can cause trouble with the FINE cartridge.
Note
•
Check if ink remains in the FINE cartridge.
Checking the Ink Status from Your Computer
•
Check if the FINE cartridge is installed correctly.
Replacing Procedure
Also check if the protective tape on the...

Cleaning the Print Heads from Your Computer
After cleaning the print head, print and examine the nozzle check pattern: 
 Step1
If the problem is not resolved after cleaning the print head twice:
Step4  Clean the print head deeply.
From the computer
Cleaning the Print Heads from Your Computer
If the problem is not resolved, turn off the power and clean the print head deeply again after 24 hours.
If the problem is still not resolved:
Step5  Replace a FINE cartridge.
Note
•
If the problem is still not...

Printing the Nozzle Check PatternPrint the nozzle check pattern to determine whether the ink ejects properly from the print head nozzle.
Note
•
If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the FINE
cartridge  whose ink is low.
You need to prepare: a sheet of A4 or Letter-sized plain paper
1.
Make sure that the power is turned on.
2.
Load a sheet of A4 or Letter-sized plain paper in the rear tray.
3.
Pull out the paper output tray and the output tray...

Examining the Nozzle Check PatternExamine the nozzle check pattern, and clean the print head if necessary.1.
Check if there are missing lines in the pattern (A) or horizontal white streaks in the pattern
(B).
(C) Number of sheets printed so far
If there are missing lines in the pattern (A):
Cleaning the print head  is required.
(D) Good
(E) Bad (lines are missing)
If there are horizontal white streaks in the pattern (B):
Cleaning the print head  is required.
(F) Good
(G) Bad (horizontal white streaks are...

Cleaning the Print HeadClean the print head if lines are missing or if horizontal white streaks are present in the printed nozzle checkpattern. Cleaning unclogs the nozzles and restores the print head condition. Cleaning the print head
consumes ink, so clean the print head only when necessary.1.
Make sure that the power is turned on.
2.
Hold down the  ON/RESUME button until the  POWER lamp flashes green once, then
release it immediately.
The printer starts cleaning the print head.
The cleaning will be...

Performing Maintenance from a Computer
Cleaning the Print Heads from Your Computer
Cleaning the Paper Feed Rollers from Your Computer
Aligning the Print Head Position from Your Computer
Use Your Computer to Print a Nozzle Check Pattern
Cleaning Inside the Printer
67
 

Cleaning the Print Heads from Your ComputerThe print head cleaning function allows you to clear up clogged print head nozzle. Perform print head
cleaning if printing is faint or a specific color fails to print, even though there is enough ink.
The procedure for cleaning the print head is as follows:
 Cleaning
1.
Open the printer driver setup window
2.
Click  Cleaning  on the Maintenance  tab
When the  Print Head Cleaning  dialog box opens, select the ink group for which cleaning is to be
performed.
Click...

When the Deep Cleaning  dialog box opens, select the ink group for which deep cleaning is to be
performed.
Click  Initial Check Items  to display the items you need to check before performing deep cleaning.3.
Execute deep cleaning
Make sure that the printer is on and then click  Execute.
Click  OK when the confirmation message appears.
Print head deep cleaning starts.
4.
Complete deep cleaning
The  Nozzle Check  dialog box opens after the confirmation message.
5.
Check the results
To check whether the...

Cleaning the Paper Feed Rollers from Your ComputerCleans the paper feed rollers. Perform feed roller cleaning when there are paper particles sticking to the
paper feed rollers and paper is not fed properly.
The procedure for performing the feed roller cleaning is as follows:
 Roller Cleaning
1.
Prepare the printer
Remove all sheets of paper from the rear tray.
2.
Open the printer driver setup window
3.
Click  Roller Cleaning  on the Maintenance  tab
The confirmation message appears.
4.
Execute paper feed...