Lexmark_E_321_323_Summit_Web.pdf

T Lexmark currently has four cartridges available:

12A7300 STD (3K pages) Non-Prebate cartridge

12A7400 STD (3K Pages) Prebate Cartridge

12A7305 HY (6K Pages) Non-Prebate cartridge

12A7405 HY (6K Pages) Prebate cartridge

ech nical Document

SU MM IT Laser Products

95 Orville Drive

Bohemia, New York 11716

Tel: 631-218-8376

Fax: 631-218-3275

Disassembly Instructions

Lexmark E-321/E323 Toner Cartridge

First released in April, 2003, the Lexmark E321/323 series of printers are based on

a 20ppm 1200 dpi Lexmark engine. Lexmark is using the Prebate cartridges again,

and these cartridges also use a non-resetable chip to prevent the Prebate car-

tridges from being recycled. The Non-Prebate cartridges can be recycled without

changing the chip. The E321/323 cartridges look like an E320, except for the Gray

end caps. The chip on these cartridges is also completely different from the E320.

The replacement chips for these cartridges have proven difficult to make, but with

recent advances we are betting that as you read this, they will be available.

The HY Non-Prebate cartridges list for $196.00, where the HY Prebate cartridges list for $176.00. (Pricing as of Au-

gust 2003). Lexmark is changing the way they describe these cartridges. Prebate cartridges are now “Use and Re-

turn”, Non-Prebate cartridges are now “Standard”. Same thing different name. The cartridges themselves are fairly

simple to do, and as you can see, have very nice margins!

Dell has released a printer based on this engine called the P1500. The chips in these cartridges are unique to Dell.

Lexmark cartridges will not work in them.

In September 2003, Lexmark has just released the E220 printer. The E220 cartridges will work in the E321/323, but

the E321/323 cartridges will not work in the E220. As this release just occurred literally as this was being written, No

further information or test results are available.

These machines do not have a display panel; they have a series of lights that indicate the status. I will list some of

the more common sequences & error codes at the end of this article. The machine also contains the PCR. When the

lid is closed, the PCR drops down into the cartridge. Just like the Optra S series of machines.

On page 76 of the User Guide, Lexmark lists the replacement cartridges for this machine. Strangely, the Prebate car-

tridge numbers made to stand out, non-Prebate part numbers very east to miss. In fact, unless you specifically look

for them, you would never see them!

Another point in both the user guide and the service manual is that in the E321 machine only. If the Starter cartridge

is installed, the toner low function will not work. No other explanation is given, but it is stated multiple times.

These cartridges are fairly simple in design, but can be rather tricky to do. As soon as you take an end cap off, the

cartridge falls apart in your hands! Putting the cartridge back together is a challenge the first few times, there is defi-

nitely a specific order that must be followed. We have gone into as much depth as possible in rebuilding the cartridge.

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Lexmark E-321/E323 Toner Cartridges (Continued)

These cartridges come new with a shipping lock/foam combination. The shipping lock and foam are unique to the

E320/321 series of cartridges. See Figure 1

Figure 1

Required Tools

Toner approved vacuum.

2) A small Common screw driver

3) A spring hook

4) Needle nose pliers

Required Supplies

225g Toner (MICR available also)New Drum

New Wiper Blade

Replacement chip for the Prebate cartridges.

Shipping lock and foam.

Conductive grease

99% pure isopropyl alcohol

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Lexmark E-321/E323 Toner Cartridges (Continued)

Figure 2

Figure 3

1) On the left side of the cartridge (Chip Side) remove the 3 screws. See Figure 2

2) Carefully remove the end cap. Note that a spring will come loose and the cartridge will basically fall apart at this

point. If you intend to re-use the drum, make sure you are very careful not to damage it. See Figure 3

Figure 4

Figure 5

3) Remove the drum cover. Note the position of the springs. See Figure 4

4) Remove the toner supply chamber (the second spring will come loose). Make sure that all the gears stay in

place. The supply hopper spring will come off, be careful not to lose it. See Figure’s 5 & 6 (on next page)

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Lexmark E-321/E323 Toner Cartridges (Continued)

Figure 6

Figure 7

5) Remove the two front screws only from the right end cap. The back screw holds the long brace in place and

does not need to be removed. See Figure 7

6) Remove the drum coupling gear (Smaller version of the 4039/4049). Remove the drum, remove the waste cham-

ber. The waste chamber has to be the last to come out as there is a side piece from it that fits behind the drum.

See Figure’s 8 & 9

Figure 8

Figure 9

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Lexmark E-321/E323 Toner Cartridges (Continued)

Figure 10

Figure 11

7) Remove the two screws on the wiper blade, and the blade. Clean out the waste chamber. The screws for the

wiper blade are smaller than the end cap screws. See Figure 10

NOTE: Be very careful not to damage or distort the thin Mylar Recovery Blade next to the wiper blade. If this blade

is bent or damaged in any way, it should be replaced.

8) Coat the new wiper blade with your preferred lubricant, and install the wiper blade and two screws. Remember to

use the smaller screws. See Figure 11

Figure 12

Figure 13

9) Remove the fill plug from the toner supply and dump/vacuum out the remaining toner. See Figure 12

10) Remove the screw on the doctor blade spring holder. Remove the entire spring and holder assy. See Figure 13

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