Epson C 2900 Manual

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 107 Confidential 
 
6) Secure the under side of the 
DISPENSER ASSY with the two screws 
(silver, tap, 8mm). 
7) Secure the front side of the printer 
frame with the two screws (silver, tap, 
8mm). 
8) Mate the two holes of the BRACKET 
MCU R with the bosses of the printer, 
secure it with the two screws (silver, 6mm). 
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 108 Confidential 
 
9) Secure the harness of the HARN ASSY 
OPTION with the clamp on the BRACKET 
MCU R. 
10) Insert the tab on the under side of the 
GUIDE HARNESS AC into the hole of the 
printer, attach the GUIDE HARNESS AC 
to the printer. 
11) Secure the hook of the GUIDE 
HARNESS AC to the printer.  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 109 Confidential 
 
12) Route the HARN ASSY GND and all 
the harnesses along the GUIDE 
HARNESS AC, secure the grounding 
terminal of the HARN ASSY GND with the 
one screw (silver, 6mm). 
Note: This step is only 2150cdn. 
  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 110 Confidential 
 
RRP4. XEROGRAPHICS 
RRP4.1 ROS ASSY (PL4.1.1)   
[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) 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) Remove the PWBA ESS SFP. (RRP8.3) 
12) Remove the PWBA MCU. (RRP8.9) 
13) Remove the PWBA LVPS. (RRP8.5) 
14) Remove the one screw (silver, with 
washer, 6mm) that fixes the grounding 
terminal of the SWITCH ASSY INLET MG 
SFP (PL8.2.9). 
Note: The GUIDE HARNESS AC and the printer are  connected with the harness, so they should 
not be far apart when carrying out the work described next procedure.  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 111 Confidential 
 
15) Release the hook of the GUIDE 
HARNESS AC (PL8.2.6), remove the 
GUIDE HARNESS AC from the printer. 
16) Release the harness of the HARN 
ASSY OPTION (PL3.1.20) from the clamp 
on the BRACKET MCU R (PL8.2.15). 
17) Remove the two screws (silver, 6mm) 
that fix the BRACKET MCU R to the 
printer.  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 112 Confidential 
 
18) Remove the BRACKET MCU R from 
the printer. 
Note: Release only the HARN ASSY 
INTERLOCK from the GUIDE HARNESS 
FSR to prevent the faulty wiring when it 
assembles it. 
19) Release the harness of the HARN 
ASSY INTERLOCK (PL8.2.5) from the 
GUIDE HARNESS FSR (PL8.2.2). 
20) Release the hook of the GUIDE 
HARNESS FSR, to release the boss and 
tab of the GUIDE HARNESS FSR. 
Remove the GUIDE HARNESS FSR from 
the printer.  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 113 Confidential 
 
21) Remove two screw (silver, M4, 6mm) 
and six screws (silver, tap, 8mm) that fix 
the FRAME ASSY LVPS (PL8.2.3) to the 
printer. 
22) Remove the one screw (silver, M4, 
6mm) that fixes the DRIVE ASSY SUB 
(PL7.1.1) to the FRAME ASSY LVPS. 
23) Remove the FRAME ASSY LVPS from 
the printer.  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 114 Confidential 
 
24) Disengage the two connectors 
(P/J411, 412) of the ROS ASSY (PL4.1.1).
25) Remove the four screws (silver, tap, 
8mm) that fix the left and right sides of the 
SPRING ROSs (PL4.1.2) to the printer. 
Remove the SPRING ROSs from the 
printer. 
26) Lift up the ROS ASSY slowly from the 
printer. 
   
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 115 Confidential 
 
[Replacement] 
1) Mate the under side boss of the ROS 
ASSY with the hole of the printer, attach 
the ROS ASSY. 
Note: When carrying out the work 
described next procedure, ensure that 
the SPRING ROS is oriented to the 
direction shown in the right. 
2) Mate the holes of the SPRING ROSs 
with the bosses of the printer, secure it 
with the four screws (silver, tap, 8mm).  
						

							Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 116 Confidential 
 
3) Engage the two connectors (P/J411, 
412) of the ROS ASSY. 
4) Mate the three holes of the FRAME 
ASSY LVPS with the bosses of the printer, 
attach the FRAME ASSY LVPS to the 
printer. 
Note: Since two types of screws are used for  securing the FRAME ASSY LVPS, ensure that the 
right screws are used at their right securing positions. 
The securing positions for tap screws are marked with [T]. 
The securing positions for metal screws are marked with [M]. 
5) Secure the DRIVE ASSY SUB to the 
FRAME ASSY LVPS with the one screw 
(silver, M4, 6mm).