Canon 7816A015AA Vereinfachtes Servicehandbuch - Seite 16

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4. Quiet mode

The printer has a quiet mode function.

Compared with the normal mode,

Acoustic noise level:

Audible overtone level:

Print speed:

3) Other functions

1. Remaining ink level detection function

The printer has a function to detect the remaining ink level. (Default setting: ON)

Detection method: Dot counting (Counted for each Bk/Cl ink tank).

Display method:

Accuracy:

Display procedure: Perform the following operations from the printer driver utility.

< Possible problems with this function >

- Due to user error, the actual remaining ink level does not match the indicated remaining ink level, resulting in

"ink out", etc.

User error: Forgetting to reset ink counter / ink counter reset other than when replacing ink tanks.

- Due to the specific print pattern, the actual remaining ink level does not match the indicated remaining ink

level, resulting in "ink out".

Specific print pattern: Continuous printing using any one of the CMY ink tanks / continuous Bk solid

2. Head refreshing

The printer has a head refreshing function.

Head refreshing:

< Possible problems with this function >

- Excessive ink consumption when conducting head refreshing repeatedly. (The amount of ink used is approx.

10 to 15 times the normal manual cleaning amount.)

Slightly lowers. (HQ, normal: Approx. 50dB, Quiet: Approx. 49dB)

Sound quality changes, and sound becomes quieter.

Slows. (Bk printing in HQ/HS mode using an acoustic noise

measurement pattern: Approx.1.3 times)

Cl tank: The remaining ink level is detected by total counted dot values of 3 color

ink tanks.

Displayed on the status monitor (at 3 levels shown below for each Bk/Cl ink tank)

Level 1: Half level of remaining ink level (Approx. 40% of ink remaining)

Level 2: Indication of "!" mark (Approx. 10% of ink remaining)

Lever 3: Indication of "?" mark (Remaining ink level is unclear)

*Remaining ink detection function displays the status only, and does not cause

errors.

The margin of error of detection accuracy is +/-10% in normal printing.

*The margin of error is likely to be large in the following specific print patterns:

When printing continuously using any one of the CMY ink tanks

-> As the remaining ink level is calculated by total counted dot values of 3 color

ink tanks, if any of the C/M/Y inks is heavily consumed, the margin of error for

remaining ink increases.

When performing continuous Bk solid printing

-> With continuous printing, ink flow from the tank to the ink chamber can be

interrupted, after which ink remains unused in the tank.

1. Set the indication of the remaining ink level in "Low Ink Warning Setting".

2. Reset the ink counter in "Ink Counter Reset".

*Be sure to reset the ink counter from the printer driver utility after replacing ink

tanks.

printing, etc.

This is a deep cleaning function in order to resolve print failure due to ink clogging

the print head. (The black ink is pigment-based, and clogs easier than the current

dye-based ink.)

*Perform from the printer driver utility.