Part 5: Maintenance

BJC-7100

5.Printer Temperature Error

Beeper: 8 times

ERROR indicator: Blinks 6 times

<Measure>

<Cause> Thermistor (TH1) on carriage board detects higher than prescribed temperature limit.

<Suspected parts> Carriage unit, carriage cable, logic board

Turn OFF the power and wait for several minutes.

Check the ambient

conditions.

Within specs?

Yes

Turn ON power.

No

Use the printer under

ambient conditions within specifications.

Does error recur?

Yes

Check conductivity of

TEMP signal line.

OK?

No

END

Measuring point

IC1 (MPU) Pin No. 154

-

TH1

No

Normal value

Approx. 4Ω

Yes

Check thermistor (TH1).

Check contact and

conductivity of carriage cable.

OK?

No

Measuring point

Normal value

Yes

TH1 resistance

50 ± 2.5Ω (25˚C)

 

Reconnect/replace

 

carriage cable.

 

 

 

 

Check the measuring point with the carriage cable removed.

Check conductivity of

carriage board.

OK?

Yes

No

OK?

Yes

No

Replace logic board.

 

Replace carriage unit.

 

 

 

Faulty MPU

Faulty PCB soldering/conductivity

5-20

Page 152
Image 152
Canon QY8-1360-000 Beeper 8 times Error indicator Blinks 6 times, Measuring point Normal value Yes, Reconnect/replace

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.