Canon PIXMA MP800 Service Manual - Page 32

Front door damper position, User mode, Service mode, Green COPY - user manual

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(6) Front door damper position Fit the door damper (attached to the front door) into the machine with the protrusion side facing up. Then, fix the right side of the front door in place. Close the front door, and press the Open button to confirm the front door opens properly. (7) User mode On the operation panel, select Maintenance/settings, Device settings, and a desired function, then press the OK button. Function Nozzle check Cleaning Deep cleaning Auto head align (automatic print head alignment) Manual head align (manual print head alignment) Head alignment print Roller cleaning Bottom plate cleaning Purpose To confirm the print head nozzles eject ink properly. Do the cleaning if necessary. To unclog the print head nozzles and maintain the print head in a good condition. Use this function when printing is missing or white lines appear on the nozzle check pattern. To improve the print head nozzle conditions when the cleaning is not effective. Since the deep cleaning consumes more ink than the cleaning, use this function only when necessary. To improve unsatisfactory print results or dot-misalignment on a line. To improve unsatisfactory print results or dot-misalignment on a line. Use this function when the automatic print head alignment cannot be done properly, or to align the print head at user's discretion. To print the current print head alignment values for confirmation. To solve a paper feed problem. In the roller cleaning, the paper feed rollers rotate while being pressed to the paper lifting plate. Since the rollers will wear, use this function only when necessary. To remove ink attached to the ASF paper path and the platen, using paper. (8) Service mode 1) With the machine power turned off, while pressing the Stop/Reset button, press and hold the ON/OFF button. (DO NOT release the buttons). The COPY button lights in green to indicate that a function is selectable. 2) While holding the ON/OFF button, release the Stop/Reset button. (DO NOT release the ON/OFF button.) 3) While holding the ON/OFF button, press the Stop/Reset button 2 times, and then release both the ON/OFF and Stop/Reset buttons. (Each time the Stop/Reset button is pressed, the Alarm LED and COPY button light alternately, Alarm in orange and COPY in green, starting with Alarm LED.) 4) When the COPY button lights in green, press the Stop/Reset button the specified number of time(s) according to the function listed in the table below. (Each time the Stop/Reset button is pressed, the Alarm LED and COPY button light alternately, Alarm in orange and COPY in green, starting with Alarm LED.) Time(s) 0 times LED indication Function Green (COPY) Power off Remarks When the print head is not installed, the carriage returns and locks in the home position capped. 1-27

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(6)
Front door damper position
Fit the door damper (attached to the front door) into the machine with the protrusion side facing up. Then, fix the right side of
the front door in place.
Close the front door, and press the Open button to confirm the front door opens properly.
(7)
User mode
On the operation panel, select
Maintenance/settings
,
Device settings
, and a desired function, then press the OK button.
(8)
Service mode
<Service mode operation procedures>
1)
With the machine power turned off, while pressing the Stop/Reset button, press and hold the ON/OFF button. (DO NOT
release the buttons). The COPY button lights in green to indicate that a function is selectable.
2)
While holding the ON/OFF button, release the Stop/Reset button. (DO NOT release the ON/OFF button.)
3)
While holding the ON/OFF button, press the Stop/Reset button 2 times, and then release both the ON/OFF and Stop/Reset
buttons. (Each time the Stop/Reset button is pressed, the Alarm LED and COPY button light alternately, Alarm in orange
and COPY in green, starting with Alarm LED.)
4)
When the COPY button lights in green, press the Stop/Reset button the specified number of time(s) according to the function
listed in the table below. (Each time the Stop/Reset button is pressed, the Alarm LED and COPY button light alternately,
Alarm in orange and COPY in green, starting with Alarm LED.)
Function
Purpose
Nozzle check
To confirm the print head nozzles eject ink properly. Do the cleaning if necessary.
Cleaning
To unclog the print head nozzles and maintain the print head in a good condition.
Use this function when printing is missing or white lines appear on the nozzle check
pattern.
Deep cleaning
To improve the print head nozzle conditions when the cleaning is not effective. Since
the deep cleaning consumes more ink than the cleaning, use this function only when
necessary.
Auto head align
(automatic print head
alignment)
To improve unsatisfactory print results or dot-misalignment on a line.
Manual head align
(manual print head
alignment)
To improve unsatisfactory print results or dot-misalignment on a line.
Use this function when the automatic print head alignment cannot be done properly, or
to align the print head at user's discretion.
Head alignment print
To print the current print head alignment values for confirmation.
Roller cleaning
To solve a paper feed problem.
In the roller cleaning, the paper feed rollers rotate while being pressed to the paper
lifting plate. Since the rollers will wear, use this function only when necessary.
Bottom plate cleaning
To remove ink attached to the ASF paper path and the platen, using paper.
Time(s)
LED indication
Function
Remarks
0 times
Green (COPY)
Power off
When the print head is not installed, the carriage
returns and locks in the home position capped.
1-27