Recharger Magazine

Pitney Bowes™ 9900 Remanufacturing Instructions

• Jul 01, 1998

OEM Manufacturer:

• Matsushita (Panasonic)

Introduction Dates:

• Pitney Bowes™ - April 1997
• Panafax™ - July 1996

Compatible Fax Models:

• Pitney Bowes™ 9910
• Pitney Bowes™ 9920
• Pitney Bowes™ 9930
• Panafax™ 550
• Panafax™ 770
• Panafax™ 880

OEM Cartridge Numbers:

• Pitney Bowes™ 9900 812-0
• Panafax™ UG3313

Cartridge Prices:

• $295 Manufacturer's suggested retail list price.

OEM Rated Page Yield:

• 10,000

Toner Gram Weight

• 365 grams

Cartridge Notes:

• The Pitney Bowes and Panafax versions of this cartridge are identical except for the OPC drum helical drive gear. The direction of the teeth are reversed on the gears. Converting either cartridge to the other application requires the appropriate helical drive gear.

• The decline in print density due to mag roller degradation could be difficult to remedy. Attempting to disassemble the mag roller by removing the journals (axles) will destroy the sleeve.

• Remanufacturing this cartridge does not require splitting in order to apply a seal. When installing a new seal the pull strip must be either threaded under the exit port plug or the plug and the plastic casing must be removed. The exit port plug is very difficult to remove without damaging it.

• The PCR features a soft foam substrate. Testing is in progress to determine the recoatability of the OEM PCR and whether or not a Canon^®-type PCR can be used in this application.

Disassembly Instructions

1. Separate the Hopper and the Waste Bin.

Lay the cartridge flat and remove the two Phillips screws from the top of the cartridge (Fig. 1).



Fig. 1






Position the cartridge vertically as shown in the illustration (Fig. 2).

Fig. 2






Hold the shutter down with one hand and, with the other hand, pivot the waste bin section down 90p then pull it straight out (Fig. 3).

Fig. 3

2. Remove the OPC Drum.

Remove the two drum axles from both sides of the hopper section. Note that the left drum axle has an electrical contact on the end (Fig. 4).

Fig. 4






Pull the shutter back and remove the drum by holding the gears (Fig. 5). If you plan to reuse the drum, place it in an area that will protect it from light and impact damage.

Fig. 5

3. Remove the PCR.

Remove the PCR by pulling it straight out from the saddles (Fig. 6).

Fig. 6

4. Remove the Mag Roller and Saddles.

The mag roller is not secured in place and can fall out if the cartridge is inverted. Carefully lift on the right side of the mag roller and pull it out to the right

(Fig. 7). Place the mag roller, bushings and gear on a lint-free cloth being careful not to scratch the mag roller.

Fig. 7






Use a pair of needlenose pliers to carefully remove the mag roller saddles (Fig. 8).

Fig. 8

5. Remove the Side Electrical Contact.

The contact can easily fall out when remanufacturing the cartridge. Before proceeding, the electrical contact should be removed and set to the side (Fig. 9).

Fig. 9

6. Remove the Doctor Blade.

Remove the two screws that hold the doctor blade in place (Fig. 10). Remove the doctor blade and set it aside. It is not necessary to remove the doctor blade in order to add toner to the cartridge, but it does aid in the cleaning of the hopper section. It is necessary to remove the doctor blade if you are planning to reseal the cartridge.

Fig. 10

7. Remove the Drum Shutter.

Release the shutter actuator spring and set it aside (Fig. 11).

Fig. 11






Unsnap the shutter support bar from the hopper on both sides and remove (Fig. 12).

Fig. 12

8. Remove the End Plate and Drive Gears.

Remove the screw at the bottom of the end plate and pull the end plate from the hopper (Fig. 13). Note that there is a clip at the top of the end plate that holds it in place.

Fig. 13








Remove the top two gears from the end of the cartridge. To remove the agitator drive gear, disengage the small clip that holds it in place on the drive gear shaft and pull (Fig. 14).

Fig. 14

9. Remove the Hopper Cap.

Carefully remove the hopper cap from the end of the hopper section using needlenose pliers (Fig. 15).

Fig. 15

10. Clean the Hopper.

Dump any toner remaining in the hopper. Using dry, filtered compressed air, thoroughly clean the hopper section and all its components (Fig. 16). Inspect all sealing foams and felts for damage or wear and replace as needed.

Fig. 16






A new toner seal may be installed at this point in the remanufacturing process.

11. Fill the Hopper with Toner.

Fill the hopper with the proper amount and type of toner (Fig. 17). Replace the hopper cap.

Fig. 17

Cleaning the Waste Bin

12. Clean the Waste Bin.

Clean the waste bin section by first removing the two screws that hold the wiper blade in place (Fig. 18). Remove the wiper blade from the waste bin. If you plan to replace the OPC drum, it is recommended that you also replace the wiper blade for best performance results.

Fig. 18






Dump the bulk of the toner from the waste bin. Clean with dry, filtered compressed air (Fig. 19). Inspect all waste bin sealing components for wear and replace as needed. We recommended using Kynar^® lubricant powder on the edge of the wiper blade before reinstallation.

Fig. 19

Reassembling the Cartridge.

13. Install the Gears and End Plate.

Install the agitator drive gear by correctly placing it on the drive gear shaft until the locking clip snaps into place (Fig. 20).

Fig. 20






Place the top, black gear on the top shaft with the smaller set of teeth on the inside (Fig. 21). Replace the gear end plate by sliding it into place and attaching it with a screw at the bottom of the plate.

Fig. 21

14. Install the Shutter and Actuator Spring.

Snap the shutter support arm back into the brackets on both side of the cartridge. Place the spring on the shaft on the right side of the cartridge and attach the hooked end of the spring under the shutter support arm as shown (Fig. 22).

Fig. 22

15. Install the Doctor Blade and Mag Roller Saddles

Install the doctor blade using a screw on both ends of the metal stamping. Install the mag roller saddles. The spring fits into a square opening in the cartridge. Slide the saddle over the notches and into place (Fig. 23).

Fig. 23

16. Install the Cartridge Electrical Contact.

Correctly place the electrical contact in the slot and over the cartridge (Fig. 24). The bottom portion fits between the vertical rails and behind the tab.

Fig. 24

17. Install the Mag Roller.

Install the mag roller, bushings, and drive gear. Place the gear side of the mag roller axle into the hole on the left side of the cartridge. The right side of the mag roller must be put into place with the flat side of the axle facing front (Fig. 25).

Fig. 25

18. Install the Drum and Axles.

Pad the coated area of the OPC drum with Kynar lubricating powder and install the drum in the cartridge. While holding it in place, position the axle pin with the electrical contact through the cartridge and into the end of the drum (Fig. 26). The tabs on the axle pins will fit into the cutouts in the cartridge when the flat side of the pin is facing the rear of the cartridge.

Fig. 26






Press on the gears on the right side of the drum and insert the axle pin through the cartridge and into the drum (Fig. 27).

Fig. 27

19. Reassemble the Waste Bin and the Hopper.

Position the waste bin onto the axle pins perpendicular to the hopper section. Rotate the waste bin up 90p to its original position (Fig. 28).

Fig. 28






Lay the cartridge flat and replace the two screws on the top of the cartridge (Fig. 29).

Fig. 29

For further information, contact Static Control at (800) 488-2426, (919) 774-3808 or fax (919) 776-3740.

This article originally appeared in the July 1998 issue of Recharger.