Part 5: Maintenance

BJC-7100

5.Faulty printing <2>: Miscellaneous problems

Symptoms

Cause

Measure

 

 

 

• White stripes

Insufficient cleaning, ink-out,

Perform several cleaning operations, then

(horizontal)

faulty BJ cartridge

make test print.

• Blotching

 

Replace BJ cartridge(s) or ink tank(s).

 

 

 

 

Faulty cleaning operation

Replace purge unit.

 

 

 

• Spur tracks

Faulty spurs (soiled or deformed)

Replace spurs, spur cleaner, or spur unit.

(vertical)

 

 

 

 

 

• Color

Incorrect print driver setting

Select FINE mode* using printer driver, or

dropout

 

select error dispersal.

 

 

 

 

Insufficient cleaning, ink-out,

Perform several cleaning operations, then

 

faulty BJ cartridge

make test print.

 

 

Replace BJ cartridge(s) or ink tank(s).

 

 

 

• Ink bleeds

Incorrect print driver setting

Select FINE mode* using printer driver, or

 

 

set color parameter lighter.

 

 

 

 

Incorrect paper (print media)

Change to higher quality print media.

 

 

 

 

No jetting of ink optimizer

Perform several cleaning operations, then

 

(plain paper)

make test print. (Check nozzles on

 

 

transparency.)

 

 

Replace black BJ cartridge (BC-60).

 

 

 

• Impure color

Insufficient cleaning, ink-out,

Perform several cleaning operations, then

or mixed

faulty BJ cartridge

make test print.

colors

 

Replace BJ cartridge(s) or ink tank(s).

 

 

 

 

Insufficient cleaning

Replace purge unit.

 

 

 

• Displaced

Heads not aligned

Use printer driver to align print heads.

borders

 

 

Faulty BJ cartridge

Perform several cleaning operations, then

 

 

make test print.

 

 

Replace BJ cartridge(s).

 

 

 

• Dirty print

Dirty inside printer (ink mist

Visually check, and clean, inside printer.

media

or paper dust, etc.)

 

 

 

 

 

Ink has dried or foreign objects

Perform several cleaning operations, then

 

adhering to head face

make test print.

 

 

Replace BJ cartridge(s).

 

 

 

 

Dirty purge unit or wiper unit

Replace purge unit, cleaner unit, wiper unit.

 

 

 

 

Printing onto platen (incorrect

Set the correct paper size in the printer

 

driver setting)

driver.

 

 

 

• Deformed

Incorrect printer driver setting

Select BJC-7100 printer driver.

characters

 

 

Remaining data

Turn ON power again.

 

 

 

 

Faulty interface cable or faulty

Check in hexadecimal dump mode and

 

logic board

service or replace faulty part(s).

 

 

 

*FINE mode: default setting of Auto mode

5-36

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Image 168
Canon QY8-1360-000 manual Faulty printing 2 Miscellaneous problems, Symptoms Cause Measure
Page 167 Page 169

QY8-1360-000 specifications

The Canon QY8-1360-000 is a highly regarded print head designed specifically for Canon’s line of professional printers, particularly those used in high-quality photo printing and graphic arts. This component is essential for achieving the vibrant colors and sharp details that are hallmark features of Canon’s imaging technology.

One of the main features of the QY8-1360-000 is its precision engineering, which allows for a high level of accuracy in ink application. This print head utilizes a micro-nozzle technology that enhances the distribution of ink onto the paper, minimizing the potential for blurriness or color bleeding. The micro-nozzles work in conjunction with a sophisticated ink delivery system, ensuring that colors are produced as intended by the original digital file.

Another key characteristic of the QY8-1360-000 is its ability to support a wide range of media types, ensuring flexibility for various printing projects. Whether it’s glossy photo paper, fine art paper, or even canvas, this print head can accommodate different textures and finishes, making it ideal for both professional photographers and graphic designers.

Additionally, this print head is designed to achieve high resolution printing, with capabilities that can reach up to 4800 x 1200 dpi. Such high resolution allows for exceptional detail and color accuracy, which is particularly critical when producing photographic prints. The print head can also handle a broad color gamut, facilitating rich and vivid color outputs that elevate the overall quality of printed materials.

Technologically, the QY8-1360-000 incorporates Canon’s FINE (Full-Photolithography Inkjet Nozzle Engineering) technology. This innovative technology allows for the quick heat-up and ejection of ink, ensuring rapid print speeds without compromising quality. By combining speed with precision, it significantly enhances productivity in a professional setting.

In summary, the Canon QY8-1360-000 print head is an essential component for anyone seeking exceptional print quality and versatility in their printing endeavors. With precision engineering, support for multiple media types, high resolution output, and advanced FINE technology, it represents a significant advancement in Canon’s commitment to delivering outstanding imaging solutions. Whether used in a studio, print shop, or home office, the QY8-1360-000 enhances the quality and efficiency of printing workflows, making it a vital tool for creative professionals.
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