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0670 Lexmark CS720 & Ricoh C6003 Toner Easy to Do

Posted Date 01/04/19

Remanufacturing the Lexmark CS720 and Ricoh C6003 Toner cartridges

By Mike Josiah and the Technical Staff at Uninet

     These two different engines are the latest in our “Easy to do” series. Toner cartridges that are very simple to remanufacture, do not need to be tested and have a high profit potential.

Lexmark CS720

The Lexmark CS720 is based on a 40ppm 4800DPI color engine. The toner cartridge is a small rectangular cartridge that houses the toner and reset chip. There are three different yield cartridges available for this series.

The part numbers and list pricing for these toners are as follows:

Black              74C10K0       3000 pages  $92.99*

Cyan               74C10C0      3000 pages  $121.99*

Magenta        74C10M0      3000 pages  $121.99*

Yellow                        74C10Y0       3000 pages  $121.99*

Black              74C1SK0      7000 pages  $174.99*

Cyan               74C1SC0      7000 pages  $199.99*

Magenta        74C1SM0      7000 pages  $199.99*

Yellow                        74C1SY0       7000 pages  $199.99*

Black              74C1HK0      20000 pages            $325.99*

Cyan               74C1HC0      12000 pages            $312.99*

Magenta        74C1HM0      12000 pages            $312.99*

Yellow                        74C1HY0      12000 pages            $312.99*

* Pricing as of December 1st 2018

 

Current machines released so far are:

CS720de

CS720dte

CS725de

CS720dte

CX725de

CX725dhe

Required Tools

Toner approved vacuum.

Small jewelers type common screwdriver

1.27mm Allen wrench

Heat gun

Required Supplies

Toner for use in the CS720 toner cartridge: Choose the correct color and gram weight for your cartridge

Replacement reset chip Choose correct color and yield

100% Silicon caulk (For leaks)

1) Vacuum the exterior of the cartridge

2) With the heat gun, remove the top label See Figure 1

1_web.jpg

 

 

 

 

 

3) Remove the fill plug from the toner cartridge. Dump the remaining toner. See Figure 2  

2web.jpg

4) Carefully vacuum/blow the cartridge clean. 

5) Fill the cartridge with the appropriate color and amount of toner for use in the Lexmark CS720. Make sure you’re using the correct amount of toner to match your replacement chip. See Figure 3

3web.jpg

 

6) Replace the fill plug and check for leaks. The plus are easily damaged. If there is a leak, seal the perimeter of the plug with 100% silicon. See Figure 4

 

7) Wipe the cartridge down to remove any remaining toner dust.

8)  Take the 1.27mm Allen wrench and remove the upper small screw at the bottom of the cartridge. See Figure 5 

9) Press in on the two tabs and release the chip holder. See Figures 6 & 7

10) With the 1.27mm Allen wrench remove the ship screw and chip.  See Figure 8

11) Install a new chip and replace the screw. See Figure 9

12) Install the chip holder and screw. See Figures 10 & 11

13) Place a suitable label over the fill plug.

That’s it! You’re done!

Ricoh

The Ricoh C6003 is based on a 60ppm 1200 x 1200 DPI color engine. The toner cartridge is a long round tube type cartridge that houses the toner and reset chip. 

The part numbers and list pricing for these toners are as follows:

Black              841849                      33,000 pages           $56.95*

Cyan               841852                      22,500 pages           $90.00*

Magenta        841851                      22,500 pages           $90.00*

Yellow                        841850                      22,500 pages           $90.00*

                        

* Pricing as of December 1st2018

Current machines released so far are:

MP C4503

MP C4504

MP C5503

MP C6003

MP C6004

Required Tools

Toner approved vacuum.

Small jewelers type common screwdriver

Required Supplies

Toner for use in the Ricoh C6003 toner cartridge: Choose the correct color and gram weight for your cartridge

Replacement reset chip: Choose correct color and yield

1) Vacuum the exterior of the cartridge

2) If present, unscrew the toner cover. See Figure 12

3) Pull up on the three small tabs on the outer port cover and remove the cover. See Figures 13, 14, 15 & 16

4) Press down on the spring loaded toner seal and vacuum the tube clean. (allow air in so the cleaning goes faster). See Figures 17 & 18

5) Press in the toner port seal with the bottle funnel and fill the cartridge with the appropriate color and amount of toner for use in the Ricoh C6003. Make sure you’re using the correct amount of toner to match your replacement chip. See Figure 19

8) Remove the small chip holder from the outer port cover by pressing in on the two tabs from the inside of the cover. See Figure 20

9) Remove the old chip. See Figure 21

10) Press the new chip in from inside the holder. Make sure it snaps in place. See Figure 22

11) Install the chip holder, make sure the tabs lock in place. See Figure 23

12) Clean the end of the tube and snap the port cover into place. Make sure the three tabs lock into the correct channel. See Figures 24 & 25

13) Screw the toner cover in place. (If available) See Figure 26

That’s it! You’re done!

 

 

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