Epson C 2900 Manual

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 197 Confidential 
 
9) Engage all the connectors of the 
PWBA ESS SFP. 
 
10) Mate the five bosses of the printer 
with the holes of the SHIELD ASSY 
ESS, secure it with the eleven screws 
(silver, 6mm).  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 198 Confidential 
 
11) 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. 
 
12) Close the PLATE ESS and secure 
the SCREW KNURLING. 
 
  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 199 Confidential 
 
RRP8.4 MEMORY CARD (PL8.1.15)   
[Removal] 
Note: Use the wrist strap to protect the PWB from the electrostatic. 
1) Loosen the SCREW KNURLING 
(PL8.1.13) and then open the PLATE ESS 
(PL8.1.12). 
2) Push the release latches of the socket 
to release the MEMORY CARD 
(PL8.1.15). 
3) Remove the MEMORY CARD. 
  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 200 Confidential 
 
[Replacement] 
Note: Use the wrist strap to protect the PWB from the electrostatic.  
1) Fit the MEMORY CARD into the socket 
by mating the notch of the MEMORY 
CARD with the lug on the socket. 
2) Insert the MEMORY CARD to the 
socket until it locks. 
3) Close the PLATE ESS and secure the SCREW KNURLING.  
  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 201 Confidential 
 
RRP8.5 PWBA LVPS (PL8.2.1)   
[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) Remove the COVER ASSY TOP. (RRP1.1) 
6) Disengage all the connectors of the 
PWBA LVPS (PL8.2.1). 
7) Remove the six screws (silver, 6mm) 
that fix the PWBA LVPS to the printer. 
   
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 202 Confidential 
 
8) Remove the PWBA LVPS from the 
printer. 
   
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 203 Confidential 
 
[Replacement] 
1) Attach the PWBA LVPS to the printer. 
2) Secure the PWBA LVPS to the printer 
with the six screws (silver, 6mm). 
3) Engage all the connectors of the PWBA 
LVPS. 
 
  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 204 Confidential 
 
RRP8.6 HARN ASSY INTERLOCK (PL8.2.5)   
[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 ASSY TOP. (RRP1.1) 
6) Remove the COVER SIDE L. (RRP1.7) 
Note: Release only the HARN ASSY 
INTERLOCK from the GUIDE HARNESS 
FSR to prevent the faulty wiring when it 
assembles it. 
7) Disengage the connector (P/J44) of the 
HARN ASSY INTERLOCK (PL8.2.5) on 
the PWBA LVPS (PL8.2.1), release the 
harness of the HARN ASSY INTERLOCK 
from the GUIDE HARNESS FSR 
(PL8.2.2). 
 
8) Release the clamps that fix the harness 
of the HARN ASSY INTERLOCK, remove 
the harness.  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 205 Confidential 
 
9) Remove the one screw (sliver, tap, 
16mm) that fixes the HARN ASSY 
INTERLOCK to the printer, remove the 
HARN ASSY INTERLOCK. 
  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 206 Confidential 
 
[Replacement] 
1) Mate the hole of the switch with the boss 
of the printer, secure the switch with the 
one screw (silver, tap, 16mm). 
2) Secure the harness of the HARN ASSY 
INTERLOCK with the clamps. 
Note: Ensure that the harnesses of the 
HARN ASSY INTERLOCK and 
HARNESS ASSY FUSER UNIT MG SFP 
are kept apart so that they do not 
contact each other. 
3) Route the harness of the HARN ASSY 
INTERLOCK along the GUIDE HARNESS 
FSR, engage the connector (P/J44) of the 
HARN ASSY INTERLOCK to the PWBA 
LVPS.