Quiet Mode - Canon iP1500 - PIXMA Color Inkjet Printer Service Manual

8-2. Major Functions
(1) Borderless printing (up to A4 and LTR sizes)
<Possible problems with this function>
- Smearing on the address side of postcards in continuous borderless printing on the message side.
-> Perform Bottom Plate cleaning, and clean the ribs on the platen.
- Smearing on the backside of paper in continuous borderless printing.
-> Perform Bottom Plate cleaning, and clean the ribs on the platen.
- Ink mist on the platen.
-> Perform Bottom Plate cleaning, and clean the ribs on the platen.
(2) No paper selection lever
The printer does not need adjustment via a paper selection lever. (Adjustment of the head-to-paper distance
when printing envelopes is not necessary.)
<Possible problems with this function>
- The head rubs against the paper when the amount of paper curl is large.
-> Flatten curled paper (to less than 3 mm).
-> In print modes other than borderless printing, conduct printing in the print quality assurance
area of the top and bottom edges. (Top margin 28 mm, bottom margin 26.5 mm)

(3) Quiet mode

The printer has a quiet mode function.
Compared with the normal mode,
Acoustic noise level:
Audible overtone level: Sound quality changes, and sound becomes quieter.
Print speed:
<Possible problems with this function>
- The operation sound does not become quieter.
->The audible sound becomes only slightly quieter.
- Printing is slow.
-> Disable the Quiet mode.
(4) 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)
CL tank: The remaining ink level is detected by total counted dot values of 3 colors of ink.
Display method: Displayed on the Status Monitor (at 3 levels listed below for each BK/CL ink tank)
Level 1:
Level 2:
Level 3:
Note: Remaining ink detection function displays the status only, and does not cause errors.
Slightly lower. (HQ, normal: Approx. 43.4 dB, Quiet: Approx. 42.8 dB)
Slows. (BK printing in HQ/HS mode using an acoustic noise measurement
pattern: Approx.1.3 times)
Half level of remaining ink level (Approx. 40% of ink remaining)
Indication of "!" mark (Approx. 10% of ink remaining)
Indication of "?" mark (Remaining ink level is unknown, ink may be used up
anytime)
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