KONICA MINOLTA 2152 Reconstruccion Service Manual

Rebuilding Instructions

for the Minolta EP-2120/2121/2130/2130 PRO/2131/2150/ 2151/2152/2152 PRO/2153 New-Style* Imaging Unit

PN 15063

*Minolta item number 4436-200

Front

(A) Toner-add gear assembly (B) Front cover/supply cradle (C) Cleaner assembly cover (D) Main charge corona assembly (E) Drum cleaning blade (F) Main pressure spring (G) OPC drum (H) Auger assembly (J) Drum holding pin (K) Gray plastic bushing (L) Developer unit cover (M) Transfer corona assembly (N) Fuse

Rebuilding Instructions for the Minolta EP-2120/2121/2130/ 2130 PRO/2131/2150/2151/2152/2152 PRO/2153 Imaging Unit

NOTE: This Katun Rebuild Kit is designed for rebuilding the “new” style imaging unit (OEM PN 4436-200) only. Do not use this Rebuild Kit to rebuild an

“old” style (OEM PN 1276-200), Minolta D-series, Panasonic 1270/1275, or Olympia Omega 1211 imaging unit.

Disassembly:

1. Remove the toner-add gear assembly (A) from the imaging unit by removing one screw and disconnecting the two-pin connector.

2. Remove two screws from the bottom of the front cover/supply cradle (B). Remove the front cover/supply cradle by lifting in an upward and frontward direction, making sure the two tabs clear the corresponding notches. Remove the totalizer/copy counter from the front cover/supply cradle by removing one screw.

3. Remove the cleaner assembly cover (C) by removing two screws from top and making sure two tabs on bottom clear the corresponding notches. CAUTION: Do not lose the cleaning blade lifter tab.

4. Holding together the two tabs on the front of the main charge corona assembly (D), pull this assembly upward to remove it.

5. Remove the used drum cleaning blade (E) by unhooking the main pressure spring (F), and removing one screw from each end. Discard the used drum cleaning blade.

6. To remove the used OPC drum (G):

• Remove the auger assembly (H) by removing one screw.

• Remove the drum holding pin (J) by removing two screws.

• Slide the used OPC drum frontward, and lift it out of the imaging unit frame. IMPORTANT: Retain the gray plastic bushing (K) from the drum gear flange for reinstallation with the new OPC drum.

7. Remove the developer unit cover (L) by removing one spring from each end, and two screws from the top.

8. Thoroughly vacuum the developer assembly and cleaner assembly to remove used developer and toner. CAUTION: Vacuum carefully to avoid damaging either the magnetic roller, or the Mylar seals in the developer and cleaner assemblies.

9. Remove the transfer corona assembly (M) from bottom of imaging unit by removing the two screws that secure it to the frame.

10. Remove the two felt seals from the outer ends of the OPC drum cradle. Mark exact locations of old seals for reference when installing new seals. For best results, use isopropyl alcohol to remove any remaining adhesive. IMPORTANT: Thoroughly wipe all alcohol from the area, and allow any

remaining alcohol to evaporate before installing the new seals and OPC drum.

Rebuilding:

11. IMPORTANT: Always replace the fuse (N) when rebuilding the imaging unit. To replace the used fuse with the new fuse provided in the Katun Rebuild Kit:

• Use only a low-wattage soldering iron (35 watts). Excessive heat can damage the fuse.

• Disconnect the five-pin connector from the ATDC sensor.

• Carefully pull the wire harness toward the rear of the imaging unit. Remove the two screws connecting the imaging unit connector to the rear of the unit.

Carefully pull the imaging unit connector until the black insulating tube covering the fuse (N) is clear of the imaging unit.

• Cut a 15 mm slit in the black insulating tube. Cut off the existing fuse lead approximately 10-15 mm from the plastic connector housing.

• Remove the insulating tube. Cut off the remaining fuse lead approximately 10-15 mm from the plastic connector housing.

• Solder the new fuse lead onto one of the existing leads. Replace the insulating tube and solder the remaining fuse lead. Seal the insulating tube with

electrical tape.

• Reinstall the imaging unit connector by replacing two screws. Pull the wire harness toward the front of the imaging unit, and reconnect the five-pin

connector to the ATDC sensor.

12. Replace used transfer corona wire with new, precut corona wire (provided in the Katun Rebuild Kit). Reattach the transfer corona assembly (M), securing it with the two screws removed in step 9.

13. Install two new felt seals (provided in the Katun Rebuild Kit) by peeling away adhesive backing and placing new seals in exact locations of old seals removed in step 10.

14. Reinstall the developer unit cover (L) and springs, securing the cover with the two screws removed in step 7.

15. Place the gray, plastic bushing (K), removed in step 6, over the gear flange of the new Katun OPC drum (provided in Katun Rebuild Kit). Install the new Katun OPC drum, aligning the bushing tab with the notch at the rear of the imaging unit. Reinstall the drum holding pin (J), and secure it with the two screws removed in step 6.

16. Reinstall the auger assembly (H) and secure it with the single screw removed in step 6.

17. Using Kynar powder or new toner, dust the surface of the new Katun OPC drum and the edge of the new Katun drum cleaning blade (provided in the Katun Rebuild Kit), to ensure proper lubrication.

18. Install the new Katun drum cleaning blade. Secure it by replacing the two screws removed in step 5 and rehooking the main pressure spring (F). Using the gear end of the drum, manually rotate the drum clockwise a minimum of one full revolution to properly distribute powder and minimize the possibility of “blade flip.” NOTE: If the drum is difficult to rotate or “binds,” repeat step 17.

19. Replace used main charge corona wire with the new, precut Katun corona wire (provided in the Katun Rebuild Kit). Gently snap the main charge corona assembly (D) back into place.

20. Reinstall the cleaner assembly cover (C), and secure it with the two screws removed in step 3.

21. Remount the totalizer/copy counter, and secure it with the single screw removed in step 2.

22. Reattach the front cover/supply cradle (B) by sliding two tabs into place and securing it with the two screws removed in step 2.

23. Reattach the toner-add gear assembly (A), making sure to reconnect the two-pin connector, and secure it by replacing the single screw removed in step 1.

24. Install the new developer cartridge (provided in the Katun Rebuild Kit) by swinging the front cover down and swinging the supply cradle outward. With the new developer cartridge installed, swing the supply cradle inward until it locks in position and close the front cover. CAUTION: Do not mistakenly install a toner cartridge.

IMPORTANT: If the imaging unit will be transported after rebuilding:

• position the cleaning blade lifter tab on the imaging unit frame so that the drum cleaning blade is not in contact with the drum;

• do not remove the seal from the developer cartridge until ready to install the imaging unit.

Installation:

25. Turn off the copier and unplug the power cord from the wall outlet.

26. Remove the seal from the developer cartridge.

27. Install the imaging unit by fitting it onto the rails inside the copier and sliding it inward until you hear a click. Then pull on the unit to ensure it is locked in position.

28. Plug the power cord into the wall outlet and turn on the copier. While the copier warms up a “1” will flash on the control panel.

29. When the warm-up period is complete, the copier will begin a three-to-five minute recharge cycle. During the recharge cycle, the copier’s drive motor will engage and the LED segments that form a “0” on the control panel will flash on and off in a clockwise direction, indicating the contents of the developer cartridge are being added and the ATDC value is being set.

30. After the recharge cycle is complete, a “1” will light up continuously on the control panel. NOTE: If an error code is displayed, ensure that the seal has

been removed from the developer cartridge and recheck all wiring connections on the imaging unit.

31. Open the front cover, swing the supply cradle outward and remove the empty developer cartridge. Then install a new toner cartridge into the supply cradle and close the front cover.

Front

Instrucciones Para Reconstruir Las Unidades de Imágenes Minolta EP 2120/2121/2130/2130 PRO/2131/2150/2151/2152/ 2152 PRO/2153

NOTA: Este kit de reconstrucción de Katun se ha diseñado sólo para reconstruir las unidades de imágenes “nuevas” (Ref. del fabricante original 4436-200).

No utilice este kit de reconstrucción para reconstruir las unidades de imágenes “antiguas” (Ref. del fabricante original 1276-200) Minolta serie D,

Panasonic 1270/1275 u Olympia Omega 1211.

Desmontaje:

1. Para retirar el conjunto del engranaje de agregado de toner (A) de la unidad de imágenes retire el tornillo y desconecte el conector de dos espigas.

2. Para retirar la cubierta delantera/soporte del suministro (B); en primer lugar, retire los dos tornillos de la parte inferior de la cubierta, y luego levántela y muévala hacia adelante, asegurándose de desconectar las dos lengüetas de las muescas correspondientes. Para retirar el contador de copias de la cubierta delantera/soporte del suministro retire el tornillo.

3. Para retirar la cubierta del conjunto de limpieza (C), retire los dos tornillos de la parte superior, asegurándose de desconectar las dos lengüetas de la parte inferior de las muescas correspondientes. PRECAUCION: No pierda la lengüeta para levantar la lámina limpiadora.

4. Para retirar el conjunto de corona de carga principal (D), sujete las dos lengüetas de la parte delantera del conjunto y muévalas hacia arriba.

5. Para retirar la lámina limpiadora del tambor usada (E), desenganche el muelle de presión principal (F) y retire el tornillo de cada extremo. Deseche la lámina limpiadora del tambor usada.

6. Para retirar el tambor OPC usado (G):

• Retire el conjunto pasador (H), retirando un tornillo.

• Retire el pasador de sujeción del tambor (J), retirando los dos tornillos.

• Deslice el tambor OPC usado hacia adelante y retírelo del armazón de la unidad de imágenes. IMPORTANTE: Guarde el manguito de plástico gris (K) que se encuentra en la brida del engranaje del tambor para volver a instalarlo con el nuevo tambor OPC.

7. Para retirar el conjunto de la unidad de revelado (L), retire el muelle de cada extremo y los dos tornillos de la parte superior.

8. Para retirar el revelador y el toner usados, aspire completamente el conjunto de limpieza y el conjunto de la unidad de revelado. PRECAUCION: Aspire con mucho cuidado para no dañar el rodillo magnético o los sellos Mylar, ubicados en los conjuntos de limpieza y de la unidad de revelado.

9. Para retirar el conjunto de corona de transferencia (M) de la parte inferior de la unidad de imágenes, retire los dos tornillos que sostienen este conjunto al armazón.

10. Retire los dos sellos de fieltro de los extremos exteriores del soporte del tambor OPC. Antes de instalar los nuevos sellos, marque la ubicación exacta

de los antiguos sellos como referencia. Para obtener mejores resultados, utilice alcohol isopropílico para retirar todos los restos de adhesivo. IMPORTANTE: Limpie completamente el alcohol del área con un paño y espere a que se evaporen todos los restos de alcohol antes de instalar los sellos y el tambor OPC nuevos.

(A) conjunto del engranaje de agregado de toner (B) cubierta delantera/soporte del suministro (C) cubierta del conjunto de limpieza (D) conjunto de corona de carga principal (E) lámina limpiadora del tambor (F) muelle de presión principal (G) tambor OPC (H) conjunto pasador (J) pasador de sujeción del tambor (K) manguito de plástico gris (L) cubierta de la unidad de revelado (M) conjunto de corona de transferencia (N) fusible

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