Epson C 2900 Manual

Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 177 Confidential 
 
13) Remove the one screw (silver, M4, 
6mm), the one screw (silver, M3, 6mm) 
and the one screw (silver, tap, 8mm) that 
fix the DRIVE ASSY PH to the printer. 
Note: When carrying out the work 
described next procedure, take care not 
to drop the coupling gear to inside. 
14) Remove the DRIVE ASSY PH from the 
printer.  

Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 178 Confidential 
 
15) Disengage the connector (P/J261) of 
the color mode sensor on the DRIVE 
ASSY PH, release the HARN ASSY KSNR 
REGCL (PL9.1.9) from the hook of the 
DRIVE ASSY PH. 
16) Remove the GEAR P2 (PL7.1.3) from 
the shaft of the DRIVE ASSY SUB 
(PL7.1.1). 
   

Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 179 Confidential 
 
[Replacement] 
1) Attach the GEAR P2 to the shaft of 
DRIVE ASSY  SUB. 
Note: Ensure that the GEAR P2 is 
oriented to the direction shown in the 
right. 
2) Engage the connector (J261) of the 
HARN ASSY KSNR REGCL with the Color 
mode switching sensor of the DRIVE 
ASSY PH, route the HARN ASSY KSNR 
REGCL through the hook of the DRIVE 
ASSY PH. 
Note: When carrying out the work 
described next...

Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 180 Confidential 
 
3) Attach the DRIVE ASSY PH to the 
printer. 
Note: Since three types of screws are used fo r securing the DRIVE ASSY PH, 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]. 
4) Secure the DRIVE ASSY PH to the 
printer with the one screw (silver, M4, 
6mm), the...

Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 181 Confidential 
 
6) Route the harness of the DRIVE ASSY 
PH and HARN ASSY KSNR REGCL along 
the GUIDE HARNESS AC, engage the two 
connectors (P/J24, 26) with the PWBA 
MCU. 
  

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)...

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. 
  

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...

Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 185 Confidential 
 
13) Remove the eleven screws (silver, 
6mm) that fix the SHIELD ASSY ESS to 
the printer. 
14) Remove the SHIELD ASSY ESS from 
the printer.  

Chapter 3 Removal and Replacement Procedures Revision B 
Epson AcuLaser C2900N 3 - 186 Confidential 
 
15) Disengage the two connectors 
(P/J101, 111) on the PWBA ESS SFP 
(PL8.1.7), release the harness from the 
hooks of the DUCT FAN (PL8.1.2). 
16) Remove the one screw (silver, 6mm) 
that fixes the DUCT FAN to the printer. 
17) Release the two hooks of the DUCT 
FAN, using a miniature screwdriver, and 
then remove the DUCT FAN from the 
printer.