Question about Konica Minolta magicolor 7450 II grafx Color Printer 4039322GX

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After printing 5 pages, My printer will showing density low K , and stop printing.

How do i fix the question ( Density low K)

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Add black toner

Posted on Apr 25, 2015

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Posted on Jan 02, 2017

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Canon irc4580i print dark problem


In the process used printer, will be inevitable printed page by your printer have the bad quality prints. For example: Toner specks, Light image, Vertical line, Dropouts, background, Toner smear, Vertical black line and band, Vertical white line, Background scatter, Black pages, Loose toner, Horizontal stripes, Ghost, Uneven Density, poor fusing ...
The common print quality problem Canon IRC-4580 printer
Currently, The Canon IRC-4580 is the laser printer have high speed, easy to use, friendly for user and printing clear text.
However, we can not avoid the damage of some components of the printer when used.
In this article, I will introduce some basic errors with printing quality problems of Canon IRC-4580 printer and "How to fix it".
After viewed artical, you know:
- How to fix (repair/solve) Vertical line (black or white) in Canon IRC-4580 printer
- How to fix (repair/solve) Poor fusing (loose toner) in Canon IRC-4580 printer
- How to fix (repair/solve) Uneven Density in Canon IRC-4580 printer
- How to fix (repair/solve) Light image in Canon IRC-4580 printer
- How to fix (repair/solve) Ghost in Canon IRC-4580 printer
1. Fix print quality problem "Vertical line" for Canon IRC-4580 printer How to fix print quality problem Vertical line
This plobrem "Vertical line" is usally error of Canon IRC-4580 printer. For this "Vertical line" error, technicians divided into two smaller error are: Vertical black line and band and Vertical white line.
Description:
- Vertical line and band: On the printed image appear some straight thin black vertical.
- Vertical white line: On the printed image appear some white vertical voids.
Error location:
- Surface of the charge roller
- OPC drum
- Cleaning blade
- LSU unit
- Developing roller

Cause of error "Vertical line" on the printed page:

- May be surface of charge roller scratched or dirty by toner powder.
- May be have some grooves on the OPC drum.
- May be cleaning blade is damaged.
- May be LSU window or LSU lense has dirty.
- May be surface of developing roller has scratched.

How to fix(repair) "Vertical black Line and Band" for {{SPkey1}} machine:

- Replace the charge roller of toner cartridge.
- Replace the OCP drum.
- Replace the cleaning blade
If printed page are not improved
- Clean the LSU unit by soft cotton cloth and try to print. If Vertical line is not clear on the printed page you should replace LSU unit.
- Replace new axis developer and try to print
2. Solve print quality problem "Poor fusing (loose toner)" for Canon IRC-4580 printer. How to fix print quality problem loose toner
Description loose toner: Toner is not properly fixed on paper, use to hand rubbing lightly on the printed image toner powder may be stick in hand
Error location: toner cartridge or fuser unit

Cause of error "Dark Image or black" on the printed page:

When toner cartridge is empty. You toner refilled by toner powder ware not compatible. This is makes toner cartridge components demaged and temperature of fuser unit is not enough melt to toner powder

How to fix(repair)"Poor fusing (loose toner)" on the printed page for Canon IRC-4580 printer:

With this error, you should replace toner cartridge or fuser unit to fix it.
3. How to fix print quality problem "Uneven Density" for Canon IRC-4580 printe How to fix print quality problem Uneven Density
Description: The printed page has one half light and one half clear.
Error location: Toner cartridge, transfer roller, springs, doctor blade

Cause of error "Uneven Density":

- The pressure force on the left and right springs of the transfer roller is not even.
- May be toner low also causes this error
- Doctor blade has bent
How to repair error "Uneven Density" on the printed page for Canon IRC-4580 printer:
- Replace springs and transfer roller.
- Toner refill toner cartridge Canon IRC-4580 and reset toner cartridge chip (replace new chip) or replace new genuine toner cartridge.
- Replace doctor blade.
4. How to solve print quality problem "Light image" for Canon IRC-4580 printer How to fix print quality problem light image
Description: The printed image is all light and no Ghost.
Error location: Toner cartridge, Developer, HVPS board

Cause of error "Light image" on the printed page

- Enabled toner save.
- Toner cartridge is low
- OPC drum may be faulty by strong light intensity
- Temperature in room is below than 10*C
- Bad contact caused by the toner dirty between the high voltage terminal in the HVPS and the one in the set
- Abnormalities output from the HVPS

How to fix(repair) error "Light image" on the printed page for Canon IRC-4580 printer:

- Disable toner save by change in printer driver.
- Toner refill toner cartridge Canon IRC-4580 and reset toner cartridge chip (replace new chip) or replace new genuine toner cartridge.
- Replace the OPC drum.
- Replace developer.
- After printer is power on, wait 30 minutes then start printing
- Clean up the contact between the high voltage terminal in the HVPS and the one in the se- Replace the new HVPS if the problems are not solved by 4 away above.
5. How to fix print quality problem "Ghost" for Canon IRC-4580 printer How to fix print quality problem Ghost
Description: Ghost occurs intervals of the OPC drum or transfer roller.
Error location: Toner cartridge, Developer, HVPS board

Cause of error "Light image" on the printed page

- OPC drum has fauty.
- The life of the transfer roller has been expired
- The high voltage terminal is contaminated by toner powder or

How to fix(repair) error "Light image" on the printed page for Canon IRC-4580 printer:

- Replace OPC drum
- Replace transfer roller
- If performed 2 away and the error does not clear, you should replace ganuine toner cartridge .
- Replacce HVPS board.

Oct 29, 2016 | Canon Office Equipment & Supplies

Tip

How to troubleshoot the faded printout problem in laser printers?


This is due to this reason:-- A faded print image is normally the result of one of three conditions: The printer is getting low on toner, the print density is set too low, or Econo mode printing is turned on. For the last two settings, a printer self-test (typically a separate button on the printer) will show what the current settings are. If Econo mode is on, and users are complaining about how light the print is, turn it off and/or set the print density higher. If the toner is low, simply removing the cartridge and shaking it to redistribute the toner more evenly can temporarily resolve the problem until you can replace the cartridge. This will help. good luck.

on Mar 05, 2010 | Office Equipment & Supplies

1 Answer

After printing 5 pages, My printer will showing density low K , and stop printing. Density low K)


K would indicate issue with density of black toner or ink. Check your supplies status to make sure it is not a simple as an empty black cartridge.

May 17, 2015 | Office Equipment & Supplies

1 Answer

C390


[C390] Auto-toner sensor-C abnormality (Cyan)
<Color toner low density>
When you check the printing status to find out that the color printing ratio isless than 5%, color toner low density might be the cause.
Turn the code 08-2692 "Prevention of color toner low density / ON/OFF setting" to ON, and then set number of sheets to be judged at the code 08-2693 "Prevention of color toner low density / Judged number of sheets setting".

If the color printing ratio is 5% or more, check the following.
(1) Is the developer unit installed properly?
(2) Check if the connector CN340 on the LGC board isdisconnected from the auto toner sensor or the harnesses are open circuited. Correct if necessary.
(3) Check if there is any foreign matter such as toner in the drawer connector of the equipment and fuser unit or the connector of the auto toner sensor. Remove if there is and reconnect it.
(4) Service or replace the auto-toner sensor.

Apr 04, 2014 | Toshiba E Studio 2330C

1 Answer

To stop auto calibration in toshiba color mfd


Better not to turn off the calibration, otherwise it will cause other errors.

If your colour printing is less than 5% ration, perform following. Turn the code 08-2692 "Prevention of color toner low density / ON/OFF setting" to ON, and then set number of sheets to be judged at the code 08-2693 "Prevention of color toner low density / Judged
number of sheets setting".
08-2693 u can put higher value such as 20 or above to delay the colour calibration.

Mar 25, 2014 | Toshiba E-studio 2330c 2830c Color...

1 Answer

C7180 poor print quality


Hi,
  • You printer may be running low on toner or the print density is too low.
  • Set the print density higher
  • Try turning printer off and on.
  • Print
Hope it helps.Thanks!

Sep 26, 2011 | Office Equipment & Supplies

1 Answer

My phaser 740 has print that flakes off when you print pictures with real dark areas. I assume it needs more fuser heat or less paper speed. The problem is I can' t figure out how to adjust either of these...


Recalibrate the colors. Flaking is sometimes caused by more ink/toner than can be fused to the media. There's a limit for the total amount of ink/toner. Yours may be set too high.
You'll need a copy of the Printer's User's Guide (also Downloadable from Xerox.com)

Controlling Color Density

When colors look faded, adjust the toner color density to extend the life of the components.

Print and use the Color Reference Page 1 In the printer's front panel, scroll to Calibrate Colors,

press Menu and print the Color Reference Page. 2 Compare the Color Reference Page to the Color Density

Samples on page 39. Make a note of the value (-10 to +10) for each color that most closely matches the samples.

3 Adjust the density for each color: Enter the value noted in Step 2 in the Calibrate Colors menu, under Adjust Each Color.

? Decrease color density: Press . ? Increase color density: Press --->.

4 Reprint the Color Reference Page; check your adjustments

Dec 09, 2010 | Tektronix Phaser 740P Laser Printer

1 Answer

WHAT IS DENSITY SENSOR IN LASERJET 8500


The Density Sensor is located inside the right upper door and senses the colour calibration pattern for each colour formed on the transfer drum during a calibration cycle. Press GO. Print a configuration page and then troubleshoot as an Image-quality problem as instructed in the user manual. Check the transfer guide for cracks and replace if necessary. Check the event log for errors numbered 54.00.0<X> the X indicates, 5-sensor abnormality, 4-Cyan, 3-Magenta, 2-Yellow, 1-Black. The last 3 error codes should be seen on the Configuration page.

Dec 29, 2009 | HP LaserJet 8500 Color Printer

1 Answer

I have a problem with the printer in ir 3100 cn


Change the printer properties setting on the computer from Normal or Draft where it is not to Best. That'll fix you up.

May 25, 2009 | Canon iRC3100 Printer

1 Answer

How to change the density of the printer HP LaserJet 5p


I'm afraid this won't be of much help to the original poster, who asked the question a year ago, but anyway - others may be looking for this too, just like I did...

To change the print density, a simple command must be sent to the printer. This is done in two steps:
  1. Create a file, containing the command
  2. Send it to the printer ("copy" it to the printer, in a DOS shell)
The command is:
<ESC>%-12345X@PJL DEFAULT DENSITY=4
where <ESC> represents the "Escape" character (character code 27). There are several ways to generate the Escape character (which cannot be directly entered in a text editor): E.g. substitute the character with any other, save the command and then replace the first character with 0x1b using a hex editor.

Or:
  • Open a DOS window
  • Enter:
    copy con density.txt <Enter>
  • Hold the <Alt> key
  • type 27 on the numeric keypad
  • Release the <Alt> key - the Esc. char. is shown as ^[
  • Type the rest of the command (e.g. %-12345X@PJL DEFAULT DENSITY=4) - adjust the density value to the one you actually want to set.
  • press <Enter> <ctrl-Z> <Enter> to write the file
When you have successfully created the command file, send it to the printer. In the DOS window, enter:
copy density.txt LPT1
(assuming that your printer is connected to LPT1)

That's it!
To verify that the density has actually been set, print a printer status page.
The printer remembers this setting, so this needs to be done only once.

Mar 31, 2009 | HP LaserJet 5p Printer

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