Epson C 2900 Manual
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![Page 436
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 182 Confidential
RRP8. ELECTRICAL
RRP8.1 FAN (PL8.1.1)
[Removal]
1) Remove the CASSETTE ASSY 250. (RRP2.1)
2) Open the COVER ASSY FRONT MG (PL1.2.1).
Note: Cover the drum of the DRUM CARTRIDGE to avoid exposure to light.
3) Remove the DRUM CARTRIDGE. (RRP4.6)
Note: The FUSING part is very hot. Take added care not to get burned when performing the
service operation.
4) Remove the FUSER UNIT. (RRP6.1)
5)...](http://img.usermanuals.tech/thumb/23/100561/w64_c-2900-manual-1509489781_d-435.png "Page 436
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 182 Confidential
RRP8. ELECTRICAL
RRP8.1 FAN (PL8.1.1)
[Removal]
1) Remove the CASSETTE ASSY 250. (RRP2.1)
2) Open the COVER ASSY FRONT MG (PL1.2.1).
Note: Cover the drum of the DRUM CARTRIDGE to avoid exposure to light.
3) Remove the DRUM CARTRIDGE. (RRP4.6)
Note: The FUSING part is very hot. Take added care not to get burned when performing the
service operation.
4) Remove the FUSER UNIT. (RRP6.1)
5)...")
![Page 437
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 183 Confidential
[Replacement]
Note: When carrying out the work described next procedure, take care to check the orientation
of the FAN. (Attach the FAN so that its labeled surface faces front.)
1) Secure the FAN to the DUCT FAN with
the four hooks.
2) Route the harness of the FAN through
the hooks of the DUCT FAN, engage the
connector (P/J503) of the FAN to the
PWBA LVPS.](http://img.usermanuals.tech/thumb/23/100561/w64_c-2900-manual-1509489781_d-436.png "Page 437
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 183 Confidential
[Replacement]
Note: When carrying out the work described next procedure, take care to check the orientation
of the FAN. (Attach the FAN so that its labeled surface faces front.)
1) Secure the FAN to the DUCT FAN with
the four hooks.
2) Route the harness of the FAN through
the hooks of the DUCT FAN, engage the
connector (P/J503) of the FAN to the
PWBA LVPS.")
![Page 438
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 184 Confidential
RRP8.2 DUCT FAN (PL8.1.2)
[Removal]
1) Remove the CASSETTE ASSY 250. (RRP2.1)
2) Open the COVER ASSY FRONT MG (PL1.2.1).
Note: Cover the drum of the DRUM CARTRIDGE to avoid exposure to light.
3) Remove the DRUM CARTRIDGE. (RRP4.6)
Note: The FUSING part is very hot. Take added care not to get burned when performing the
service operation.
4) Remove the FUSER UNIT. (RRP6.1)
5) Remove the COVER...](http://img.usermanuals.tech/thumb/23/100561/w64_c-2900-manual-1509489781_d-437.png "Page 438
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 184 Confidential
RRP8.2 DUCT FAN (PL8.1.2)
[Removal]
1) Remove the CASSETTE ASSY 250. (RRP2.1)
2) Open the COVER ASSY FRONT MG (PL1.2.1).
Note: Cover the drum of the DRUM CARTRIDGE to avoid exposure to light.
3) Remove the DRUM CARTRIDGE. (RRP4.6)
Note: The FUSING part is very hot. Take added care not to get burned when performing the
service operation.
4) Remove the FUSER UNIT. (RRP6.1)
5) Remove the COVER...")
![Page 441
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 187 Confidential
[Replacement]
1) Secure the DUCT FAN to the printer
with the two hooks.
2) Secure the DUCT FAN to the printer
with the one screw (silver, 6mm).
3) Route the HARN ASSY ESS and HARN
ASSY ESS VIDEO through the hooks of
the DUCT FAN, engage the two
connectors (P/J101, 111) on the PWBA
ESS SFP.](http://img.usermanuals.tech/thumb/23/100561/w64_c-2900-manual-1509489781_d-440.png "Page 441
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 187 Confidential
[Replacement]
1) Secure the DUCT FAN to the printer
with the two hooks.
2) Secure the DUCT FAN to the printer
with the one screw (silver, 6mm).
3) Route the HARN ASSY ESS and HARN
ASSY ESS VIDEO through the hooks of
the DUCT FAN, engage the two
connectors (P/J101, 111) on the PWBA
ESS SFP.")
![Page 444
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 190 Confidential
RRP8.3 PWBA ESS SFP (PL8.1.7)
[Removal]
Note: Use the wrist strap to protect the PWB from the electrostatic.
1) Remove the CASSETTE ASSY 250. (RRP2.1)
2) Open the COVER ASSY FRONT MG (PL1.2.1).
Note: Cover the drum of the DRUM CARTRIDGE to avoid exposure to light.
3) Remove the DRUM CARTRIDGE. (RRP4.6)
Note: The FUSING part is very hot. Take added care not to get burned when performing the...](http://img.usermanuals.tech/thumb/23/100561/w64_c-2900-manual-1509489781_d-443.png "Page 444
Chapter 3 Removal and Replacement Procedures Revision B
Epson AcuLaser C2900N 3 - 190 Confidential
RRP8.3 PWBA ESS SFP (PL8.1.7)
[Removal]
Note: Use the wrist strap to protect the PWB from the electrostatic.
1) Remove the CASSETTE ASSY 250. (RRP2.1)
2) Open the COVER ASSY FRONT MG (PL1.2.1).
Note: Cover the drum of the DRUM CARTRIDGE to avoid exposure to light.
3) Remove the DRUM CARTRIDGE. (RRP4.6)
Note: The FUSING part is very hot. Take added care not to get burned when performing the...")
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 187 Confidential [Replacement] 1) Secure the DUCT FAN to the printer with the two hooks. 2) Secure the DUCT FAN to the printer with the one screw (silver, 6mm). 3) Route the HARN ASSY ESS and HARN ASSY ESS VIDEO through the hooks of the DUCT FAN, engage the two connectors (P/J101, 111) on the PWBA ESS SFP.
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 188 Confidential 4) Mate the five bosses of the printer with the holes of the SHIELD ASSY ESS, secure it with the eleven screws (silver, 6mm). 5) Insert the lower tab of the PLATE ESS into the slit of the SHIELD ASSY ESS, after inserting the upper tab of the PLATE ESS into the slit of the SHIELD ASSY ESS.
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 189 Confidential 6) Close the PLATE ESS and secure the SCREW KNURLING.
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 190 Confidential RRP8.3 PWBA ESS SFP (PL8.1.7) [Removal] Note: Use the wrist strap to protect the PWB from the electrostatic. 1) Remove the CASSETTE ASSY 250. (RRP2.1) 2) Open the COVER ASSY FRONT MG (PL1.2.1). Note: Cover the drum of the DRUM CARTRIDGE to avoid exposure to light. 3) Remove the DRUM CARTRIDGE. (RRP4.6) Note: The FUSING part is very hot. Take added care not to get burned when performing the service operation. 4) Remove the FUSER UNIT. (RRP6.1) 5) Remove the COVER ASSY TOP. (RRP1.1) 6) Remove the COVER ASSY WINDOW TNR. (RRP1.6) 7) Remove the COVER SIDE R. (RRP1.5) 8) Remove the COVER SIDE L. (RRP1.7) 9) Remove the COVER REAR. (RRP1.3) 10) Remove the FAN. (RRP8.1) 11) Loosen the SCREW KNURLING (PL8.1.13) and then open the PLATE ESS (PL8.1.12).
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 191 Confidential 12) Swing the PLATE ESS to upward slightly, to release the upper tab of the PLATE ESS from the slit of the SHIELD ASSY ESS (PL8.1.3) after releasing the lower tab of the PLATE ESS from the slit of the SHIELD ASSY ESS. Remove the PLATE ESS from the printer. 13) Remove the eleven screws (silver, 6mm) that fix the SHIELD ASSY ESS to the printer.
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 192 Confidential 14) Remove the SHIELD ASSY ESS from the printer. 15) Disengage all the connectors of the PWBA ESS SFP (PL8.1.7). 16) Pull out the connector (J401) of the HARN ASSY ESS POWER (PL9.1.10) and the connector (J403) of the HARNESS ASSY B (PL9.1.12) through the hole of the FRAME ESS (PL8.1.5).
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 193 Confidential 17) Remove the six screws (silver, 6mm) that fix the PWBA ESS SFP and the PLATE IF M (PL8.1.6) to the printer, remove the PWBA ESS SFP from the printer together with the PLATE IF M. 18) Remove the one screw (silver, 4mm) that fixes the USB connector of the PWBA ESS SFP to the PLATE IF M. 19) Remove the two screws (silver, 6mm) that fix the PWBA ESS SFP to the PLATE IF M, remove the PWBA ESS SFP from the PLATE IF M.
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 194 Confidential [Replacement] Note: Ensure proper electrostatic discharge procedures are followed to prevent damage to the PWBA ESS SFP and options during replacement. Note: The replacement steps of procedure 1) to 3) are to be required for changing the PWBA ESS SFP. Those steps are not required for only removing it. Note: Avoid applying excessive pressure when removing and replacing the ROM chips. Note: Take care not to bend the terminal section of ROM when carrying out the job described below. 1) Remove the ROM, using a miniature screwdriver or the like, from the IC sockets on old PWBA ESS SFP that was removed from the printer. 2) Remove the ROM from IC socket on new PWBA ESS SFP using a miniature screwdriver or the like. Note: Do not use ROMs removed from new PWBA ESS SFP.
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 195 Confidential 3) Attach the ROM that were removed from old PWBA ESS SFP on IC sockets of new PWBA ESS SFP with its notch aligned with the notch in IC socket. 4) Secure the PLATE IF M to the PWBA ESS SFP with the two screws (silver, 6mm). 5) Secure the USB connector of the PWBA ESS SFP to the PLATE IF M with the one screw (silver, 4mm).
Chapter 3 Removal and Replacement Procedures Revision B Epson AcuLaser C2900N 3 - 196 Confidential 6) Mate the hole of the PLATE IF M with the tab of the printer, attach the PWBA ESS SFP together with the PLATE IF M. 7) Secure the PWBA ESS SFP to the printer with the six screws (silver, 6mm). 8) Insert the connector (J401) of the HARN ASSY ESS POWER and the connector (J403) of the HARNESS ASSY B into the FRAME ESS through the hole.