Canon Maxify Mb2020 User Guide
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Maintenance When Printing Becomes Faint or Colors Are Incorrect Performing Maintenance from a Computer Cleaning the Machine 201
When Printing Becomes Faint or Colors Are Incorrect Maintenance Procedure Printing the Nozzle Check Pattern Examining the Nozzle Check Pattern Cleaning the Print Head Cleaning the Print Head Deeply Aligning the Print Head Aligning the Print Head Manually 202
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. Note • Increasing the print quality in the printer driver settings may improve the print result. Changing the Print Quality and Correcting Image Data When the Print Results Are Blurred or Uneven: Step1 Print the nozzle check pattern. From the machine Printing the Nozzle Check Pattern From the computer Use Your Computer to Print a Nozzle Check Pattern Step2 Examine the nozzle check pattern . If there are missing lines or horizontal white streaks in the pattern: Step3 Clean the print head. From the machine Cleaning the Print Head From the computer 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 performing from step 1 to step 3 twice: Step4 Clean the print head deeply. From the machine Cleaning the Print Head Deeply From the computer Cleaning the Print Heads from Your Computer Note • When you have performed the procedure until step 4 and the problem has not been resolved, turn off the power and clean the print head deeply again after 24 hours. Do not unplug the power cord when turning off the power. 203
If the problem is still not resolved, the print head may be damaged. Contact the service center. When the Print Results Are Not Even such as the Ruled Lines Are Misaligned: Step Align the print head. From the machine Aligning the Print Head From the computer Aligning the Print Head Position from Your Computer 204
Printing the Nozzle Check PatternPrint the nozzle check pattern to determine whether the ink ejects properly from the print head nozzle. Note • When the ink has run out during printing the nozzle check pattern, the error message will appear on theLCD. A Message Is Displayed 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 cassette. After inserting the cassette into the machine, the paper information registration screen is displayed on the LCD. Select A4 or Letter for Page size and Plain paper for Type , then press the OK button. If a message is displayed on the screen, follow the directions in the message to complete registration. 3. Extend the output tray extension, then open the paper output support. 4. Select Setup on the HOME screen, then press the OK button. LCD and Operation Panel The setup menu screen will appear. 5. Select Maintenance , then press the OK button. The Maintenance screen will appear. 6. Select Print nozzle check pattern , then press the OK button. 205
The confirmation screen will appear. 7. Select Yes, then press the OK button. The nozzle check pattern will be printed and two pattern confirmation screens will appear on the LCD. 8. Examine the nozzle check pattern . 206
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 C or horizontal white streaks in the pattern D. A: No missing lines/No horizontal white streaks B: Lines are missing/Horizontal white streaks are present E: Number of sheets printed so far 2. Select the pattern that is closer to the printed nozzle check pattern on the confirmation screen. For A (no missing lines or no horizontal white streaks) in both the pattern C and pattern D: The cleaning is not required. Select All A, then press the OK button. Confirm the message, then press the OK button. The screen will return to the Maintenance screen. 207
For B (lines are missing or horizontal white streaks are present) in the pattern C or pattern D, orin both patterns: The cleaning is required. Select Also B, then press the OK button. The cleaning confirmation screen appears. Select Yes, then press the OK button. The machine starts cleaning the print head. Cleaning the Print Head Note • The total number of sheets printed so far is shown in increments of 50 sheets on the printout of the nozzle check pattern. 208
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. Note • You can also clean the print head using the computer. When using the computer, select the ink group to clean, then start cleaning. Cleaning the Print Heads from Your Computer • When cleaning the print head using the operation panel, the print head of all ink colors are cleaned. 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 cassette. After inserting the cassette into the machine, the paper information registration screen is displayed on the LCD. Select A4 or Letter for Page size and Plain paper for Type , then press the OK button. If a message is displayed on the screen, follow the directions in the message to complete registration. 3. Extend the output tray extension, then open the paper output support. 4. Select Setup on the HOME screen, then press the OK button. LCD and Operation Panel The setup menu screen will appear. 5. Select Maintenance , then press the OK button. The Maintenance screen will appear. 6. Select Cleaning , then press the OK button. 209
The confirmation screen will appear. 7. Select Yes, then press the OK button. The machine starts cleaning the print head. Do not perform any other operations until the machine completes the cleaning of the print head. This takes about 2 minutes. The pattern print confirmation screen will appear. 8. Select Yes, then press the OK button. The nozzle check pattern will be printed. 9. Examine the nozzle check pattern . Note • If the problem is not resolved after cleaning the print head twice, clean the print head deeply. 210