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SUMMIT Laser Products
95 Orville Drive
Bohemia, New York 11716
Tel: 631-218-8376
echnical Document
Fax: 631-218-3275
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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 withou
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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
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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 5 Figure 4 3) Remove the drum cover. Note the position of the springs. See Figure 4 4) Remove the toner supply chamber (t
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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 DOC-0331 Page 4 www.sum
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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
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Lexmark E-321/E323 Toner Cartridges (Continued) Figure 14 Figure 15 11) On the left side of the toner hopper (fill plug side), pry out the developer roller bushing. See Figure 14 12) Remove the developer roller. Be careful not to damage the black retaining blade. See Figure 15 Figure 17 Figure 16 13) Clean the working edge of the doctor blade with a Scotch-Brite pad and alcohol. See Figure 16 NOTE: The shims on the developer roller are similar to those used on the 4019/39/49 cartridges. The same
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Lexmark E-321/E323 Toner Cartridges (Continued) Figure 18 Figure 19 15) Fill the hopper with 225g of E320 toner. Replace the fill plug. See Figure 18 16) Install the doctor blade spring holder, spring and screw. See Figure 19 Figure 21 Figure 20 17) Install the waste chamber into the right end cap. Install the 2 screws. See Figure 20 18) Install the drum (gear side) into the right end cap. See Figure 21 DOC-0331 Page 7 www.summitlaser.com
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Lexmark E-321/E323 Toner Cartridges (Continued) Figure 23 Figure 22 19) Install the spring large loop side on the large toner hopper post. See Figure 22 20) Install the coupler gear on to the shaft on the toner supply. Note that the gear and shaft are both keyed. See Figure 23 Figure 24 Figure 25 21) Install the toner supply hopper into the end cap. See Figure 24 22) While holding the supply hopper in place, take the spring hook, grasp the small loop of the spring and place it on the small end c
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Lexmark E-321/E323 Toner Cartridges (Continued) Figure 26 Figure 27 23) If you have a Prebate cartridge, install the replacement chip in the left end cap. Make sure that the chip is locked in place by the two plastic tabs. See Figure’s 26 & 27 Figure 28 Figure 29 24) Clean off all the old conductive grease from the left end cap. Reapply new grease to all the contact points in- cluding a small amount on the drum axle shaft. Remember, when using conductive grease, more is not better. Just use a sm
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Lexmark E-321/E323 Toner Cartridges (Continued) Figure 31 Figure 30 26) Carefully align and install the left end cap. Make sure the back brace fits correctly and that the alignment pins are all in there correct position. Snap the end cap in place. See Figure’s 30 & 31 Figure 33 Figure 32 27) With the spring hook, grasp the small loop of the spring and place it on the small end cap post. See Figure 32 28) Install the three screws on the end cap. See Figure 33 DOC-0331 Page 10 www.summitlaser.com
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Lexmark E-321/E323 Toner Cartridges (Continued) Figure 35 Figure 34 29) With the springs in the correct position, bend the drum cover slightly in the middle. Place the alignment pins in their respective slots. Try to make sure the large tail of the spring fits in place as you fit the cover in place. See Figure’s 34 & 35 The cartridge is finished! If you are testing the cartridge, (Highly recommended) a test page can be generated from the machine, but it is not an easy process. It is easier and f
