Epson C 2900 Manual

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Epson AcuLaser C2900NRevision B
Confidential 17Checking the ACTUATOR REGI ROLL M for shape and 
operation.
Remove the CHUTE ASSY LOW (PL3.2.27) once to check 
the shape and operation.
Are the shape and operation of the ACTUATOR REGI 
ROLL M normal?Go to step 18.Reseat the 
ACTUATOR REGI 
ROLL M. If broken 
or deformed, 
replace it with a 
new one. 
18Checking the Regi. Sensor (SENSOR PHOTO) for 
operation.
Does the number on the screen increase by one, when the 
actuator (ACTUATOR REGI IN) is operated?
Remove the CHUTE ASSY LOW (PL3.2.27) once to check 
the operation.
Checked by [Digital Input] - [Regi Sensor] in [IOT Diag] of 
diagnosis.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Go to step 26.
19Checking the connectors for connection
Check the connections between the PWBA MCU and 
DRIVE ASSY MAIN (Main Motor).
Are P/J21 and P/J211 connected correctly?
Go to step 20.Reconnect the 
connector(s) P/
J21 and/or P/J211 
correctly.
20Checking the HARNESS ASSY MAIN MOT MG SFP for 
continuity
Disconnect J21 from the PWBA MCU.
Disconnect J211 from the DRIVE ASSY MAIN.
Is each cable of J21  J211 continuous?Go to step 21.Replace the 
HARNESS ASSY 
MAIN MOT MG 
SFP.
21Checking the power to the DRIVE ASSY MAIN
Disconnect J21 from the PWBA MCU.
Are the voltages across J21-2pin/J21-4pin  ground on 
the PWBA MCU, about +24 VDC when the interlock switch 
(HARN ASSY INTERLOCK) is pushed?Replace the 
DRIVE ASSY 
MAIN. (Refer to 
RRP7.2.)Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
22Checking the connectors of the SOLENOID FEED MSI 
(Cassette Feed Solenoid) for connection
Check the connections between the PWBA MCU and 
SOLENOID FEED MSI.
Are P/J23 and P/J231 connected correctly?
Go to step 23.Reconnect the 
connector(s) P/
J23 and/or P/J231 
correctly. Step CheckRemedy
Ye s N o 
						

							1 - 69 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 23Checking the HARN ASSY L SIDE for continuity
Disconnect J23 from the PWBA MCU.
Disconnect P231 from the SOLENOID FEED MSI.
Is each cable of J23  P231 continuous?Go to step 24.Replace the 
HARN ASSY L 
SIDE.
24Checking the power to the SOLENOID FEED MSI
Disconnect J23 from the PWBA MCU.
Is the voltage across P23-1pin  ground on the PWBA 
MCU, about +24 VDC when the Interlock Switch (HARN 
ASSY INTERLOCK) is pushed?Go to step 25.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
25Checking the SOLENOID FEED MSI for resistance.
Disconnect P/J231 of the SOLENOID FEED MSI.
Is the resistance across J231-1 and J231-2 about 96 ohm?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Replace the 
SOLENOID FEED 
MSI. (Refer to 
RRP3.3.)
26Checking the connectors of the SENSOR PHOTO (Regi 
Sensor) for connection.
Check the connections between the PWBA MCU and 
SENSOR PHOTO.
Are P/J23 and P/J232 connected correctly?
Go to step 27.Reconnect the 
connector(s) P/
J23 and/or P/J232 
correctly.
27Checking the HARN ASSY L SIDE for continuity.
Disconnect J23 from the PWBA MCU.
Disconnect J232 from the SENSOR PHOTO.
Is each cable of J23  J232 continuous?Go to step 28.Replace the 
HARN ASSY L 
SIDE.
28Checking the power to the SENSOR PHOTO.
Disconnect J23 from the PWBA MCU.
Is the voltage across P23-3pin  ground on the PWBA 
MCU, about +3.3 VDC?Go to step 29.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
29Checking the SENSOR PHOTO for operation.
Check the voltage across J23-5pin  ground on the 
PWBA MCU.
Remove the CHUTE ASSY LOW (PL3.2.27) once to check 
the operation.
Does the voltage change, when the actuator (ACTUATOR 
REGI IN) is operated?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Replace the 
SENSOR 
PHOTO:REGI. 
(Refer to RRP3.8.) Step CheckRemedy
Ye s N o 
						

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Epson AcuLaser C2900NRevision B
Confidential 30Checking the connectors of the CLUTCH ASSY DRV (Regi 
Clutch) for connection.
Check the connections between the PWBA MCU and 
CLUTCH ASSY DRV.
Are P/J26 and P/J262 connected correctly?
Go to step 31.Reconnect the 
connector(s) P/
J26 and/or P/J262 
correctly.
31Checking the HARN ASSY KSNR REGCL for continuity.
Disconnect J26 from the PWBA MCU.
Disconnect P262 from the CLUTCH ASSY DRV.
Is each cable of J26  P262 continuous?Go to step 32.Replace the 
HARN ASSY 
KSNR REGCL.
32Checking the power to the CLUTCH ASSY DRV.
Disconnect J26 from the PWBA MCU.
Is the voltage across P26-4pin  ground on the PWBA 
MCU, about +24 VDC when the Interlock Switch (HARN 
ASSY INTERLOCK) is pushed?Go to step 33.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
33Checking the CLUTCH ASSY DRV for resistance.
Disconnect P/J262 of the CLUTCH ASSY DRV.
Is the resistance across J262-1 and J262-2 approximately 
280-ohm?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Replace the 
CLUTCH ASSY 
DRV. (Refer to 
RRP3.1.) Step CheckRemedy
Ye s N o 
						

							1 - 71 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.33  072-215: IOT Feeder Configuration Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY OPTION (PL3.1.20)
PWBA MCU (PL8.2.13)
FEEDER ASSY OPT (PL12.1.3)
HARNESS ASSY TRAY (PL12.3.23)
1Checking the Optional Feeder for installation.
Is the Optional Feeder installed correctly?Go to step 3.Reseat the 
Optional Feeder, 
then go to step 2.
2Does the error still occur when the power is turned OFF 
and ON?Go to step 3. End of work.
3Checking the connectors for connection.
Check the connections between the PWBA FEED H and 
PWBA MCU.
Are P/J27, P/J273, and P/J419 connected surely?Go to step 5.Reconnect the 
connector(s) P/
J27, P/J273 and/
or P/J419 surely, 
then go to step 4.
4Does the error still occur when the power is turned OFF 
and ON?Go to step 5. End of work.
5Checking the HARNESS ASSY TRAY for continuity.
Disconnect P/J419 from the PWBA FEED H.
Disconnect P/J273 from the HARN ASSY OPTION.
Is each cable of P/J419  P/J273 continuous?Go to step 6.Replace the 
HARNESS ASSY 
TRAY.
6Checking the HARN ASSY OPTION for continuity.
Disconnect P/J27 from the PWBA MCU.
Disconnect P/J273 from the HARNESS ASSY TRAY.
Is each cable of P/J27  P/J273 continuous?Go to step 7.Replace the 
HARN ASSY 
OPTION.
7Checking after replacing the FEEDER ASSY OPT.
Replace the FEEDER ASSY OPT. (Refer to RRP10.1.)
Does the error still occur when the power is turned OFF 
and ON?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)End of work. 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.34  072-216: Option Feeder Motor Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
MOTOR ASSY SUB (PL12.2.16)
PWBA FEED H (PL12.2.1)
HARNESS ASSY TRAY MOT (PL12.2.2)
FEEDER ASSY OPT (PL12.1.3)
1Does the error still occur when the power is turned OFF 
and ON?Go to step 2. End of work.
2Checking the connectors of the MOTOR ASSY SUB for 
connection.
Check the connections between the PWBA FEED H and 
MOTOR ASSY SUB.
Are P/J422 and P/J4221 connected correctly?Go to step 4.Reconnect the 
connector(s) P/
J422 and/or P/
J4221 correctly, 
then go to step 3.
3Does the error still occur when the power is turned OFF 
and ON?Go to step 4. End of work.
4Checking the HARNESS ASSY TRAY MOT for continuity.
Disconnect J422 from the PWBA FEED H.
Disconnect J4221 from the MOTOR ASSY SUB.
Is each cable of J422  J4221 continuous?Go to step 5.Replace the 
HARNESS ASSY 
TRAY MOT.
5Checking after resetting the MOTOR ASSY SUB.
Reseat the MOTOR ASSY SUB.
Does the error still occur when the power is turned OFF 
and ON?Replace the 
FEEDER ASSY
OPT. (Refer to
RRP10.1.)End of work. 
						

							1 - 73 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.35  072-900: IOT Remain Option Feeder JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
FEEDER ASSY OPT (PL12.1.3)
SENSOR PHOTO (PL12.4.13)
PWBA MCU (PL8.2.13)
HARNESS ASSY TRAY COMP (PL12.2.20)
1Checking the Paper Path Sensor (SENSOR PHOTO) for 
operation.
Does the number on the screen increase by one, when the 
actuator (ACTUATOR REGI IN) is operated?
Checked by [Digital Input] - [OptionPathSensor] in [IOT 
Diag] of diagnosis.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Go to step 2.
2Checking the connectors for connection.
Check the connections between the PWBA FEED H and 
Paper Path Sensor.
Are P/J420 and P/J4200 connected correctly?Go to step 3.Reconnect the 
connector(s) P/ 
J420 and/or P/
J4200 correctly.
3Checking the HARNESS ASSY TRAY COMP for continuity.
Disconnect J420 from the PWBA FEED H.
Disconnect J4200 from the Paper Path Sensor.
Is each cable of J420  J4200 continuous?Go to step 4.Replace the 
HARNESS ASSY 
TRAY COMP.
4Checking the power to the SENSOR PHOTO.
Disconnect J420 from the PWBA FEED H.
Is the voltage across P420-6pin  ground on the PWBA 
FEED H, about +3.3 VDC?Replace the 
FEEDER ASSY
OPT. (Refer to
RRP10.1.)Replace the 
PWBA MCU. 
(Refer to RRP8.9.) 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.36  075-101 / 075-102 / 075-923: IOT SSI Insert JAM / IOT SSI Paper Pullout JAM / 
Waiting for reseat paper of SSI
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY L SIDE (PL3.1.18)
SENSOR PHOTO (PL3.2.13)
PWBA MCU (PL8.2.13)
1Checking the customer operation.
Did the customer insert the paper to the SSI during print?After print 
completion, insert 
the paper to the 
SSI.Go to step 2.
2Checking the SSI No Paper Sensor for operation.
Does the number on the screen increase by one, when the 
actuator (ACTUATOR SSI) is operated by paper.
Checked by [Digital Input] - [Main Motor] in [IOT Diag] of 
diagnosis.Go to step 3. Go to step 4.
3Checking the error.
Does the error still occur when printing?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)End of work.
4Checking the connectors of the SENSOR PHOTO (SSI No 
Paper Sensor) for connection.
Check the connections between the PWBA MCU and 
SENSOR PHOTO.
Are P/J23 and P/J233 connected correctly?
Go to step 6.Reconnect the 
connector(s) P/
J23 and/or P/J233 
correctly, then go 
to step 5.
5 Does the error still occur when printing? Go to step 6. End of work.
6Checking the HARN ASSY L SIDE for continuity.
Disconnect J23 from the PWBA MCU.
Disconnect J233 from the SENSOR PHOTO.
Is each cable of J23  J233 continuous?Go to step 7.Replace the 
HARN ASSY L 
SIDE.
7Checking the power to the SENSOR PHOTO.
Disconnect J23 from the PWBA MCU.
Is the voltage across P23-6pin  ground on the PWBA 
MCU, about +3.3 VDC?Go to step 8.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
8Checking the SENSOR PHOTO for operation.
Check the voltage across J23-8pin  ground on the 
PWBA MCU.
Remove the CHUTE ASSY LOW (PL3.2.27) once to check 
the operation.
Does the voltage change, when the ACTUATOR SSI is 
operated?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Replace the 
SENSOR 
PHOTO. 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.37  077-100: IOT Reg On early JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY L SIDE (PL3.1.18)
ACTUATOR REGI IN (PL3.2.11)
SENSOR PHOTO (PL3.2.13)
PWBA MCU(PL8.2.13)
1Checking the error.
Replace to known good paper.
Does the error still occur when printing?Go to step 2. End of work.
2Checking the Regi Rolls installation.
Open the Front Cover and check the Regi Rolls installation.
Is the ROLL REGI METAL pressed against the ROLL ASSY 
REGI by the spring pressure?Go to step 3.Replace the 
printer.
3Checking the Regi Clutch.
Does the clutch noise occur?
Checked by [Digital Output] - [Regi Clutch] in [IOT Diag] of 
diagnosis.Go to step 4.Replace the 
printer.
4Checking the Regi Sensor for operation.
Does the number on the screen increase by one, when the 
actuator (ACTUATOR REGI IN) is operated?
Checked by [Digital Input] - [Regi Sensor] on [IOT Diag] of 
diagnosis.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Go to step 5.
5Checking the ACTUATOR REGI IN for shape and operation.
Remove the CHUTE LOW CST (PL3.2.35) once to check 
the shape and operation.
Are the shape and operation of the ACTUATOR REGI IN 
normal?Go to step 6.Reseat the 
ACTUATOR REGI 
IN. (Refer to 
RRP3.7.) If broken 
or deformed, 
replace it.
6Checking the connectors of the SENSOR PHOTO (Regi 
Sensor) for connection.
Check the connections between the PWBA MCU and 
SENSOR PHOTO.
Are P/J23 and P/J232 connected correctly?
Go to step 7.Reconnect the 
connector(s) P/
J23 and/or P/J232 
correctly. 
						

							1 - 76 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 7Checking the HARN ASSY L SIDE for continuity.
Disconnect J23 from the PWBA MCU.
Disconnect J232 from the SENSOR PHOTO.
Is each cable of J23  J232 continuous?Go to step 8.Replace the 
HARN ASSY L 
SIDE.
8Checking the power to the SENSOR PHOTO.
Disconnect J23 from the PWBA MCU.
Is the voltage across P23-3pin  ground on the PWBA 
MCU, about +3.3 VDC?Go to step 9.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
9Checking the SENSOR PHOTO for operation.
Check the voltage across J23-5pin  ground on the 
PWBA MCU.
Remove the CHUTE LOW CST (PL3.2.35) once to check 
the operation.
Does the voltage change, when the actuator (ACTUATOR 
REGI IN) is operated?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Replace the 
SENSOR 
PHOTO:REGI.
(Refer to RRP3.8.) Step CheckRemedy
Ye s N o 
						

							1 - 77 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.38  077-101: IOT Reg OFF Jam
Step CheckRemedy
Ye s N o
Possible causative parts:
CASSETTE ASSY 250 (PL2.1.1)
HOLDER ASSY RETARD (PL2.1.5)
CLUTCH ASSY DRV (PL3.1.1)
SOLENOID FEED MSI (PL3.1.11)
HARN ASSY L SIDE (PL3.1.18)
ROLL ASSY FEED (PL3.2.4)
ACTUATOR REGI ROLL M (PL3.2.8)
ACTUATOR REGI IN (PL3.2.11)
SENSOR PHOTO (PL3.2.13)
DRIVE ASSY MAIN (PL7.1.2)
DRIVE ASSY PH (PL7.1.4)
PWBA MCU (PL8.2.13)
HARNESS ASSY MAIN MOT MG SFP (PL9.1.7)
HARN ASSY KSNR REGCL (PL9.1.9)
1Checking the paper condition.
Is the paper in the Tray 1 wrinkled or damaged?Replace the paper 
with a new and dry 
one, then go to 
step 2.Go to step 3.
2 Does the error still occur when printing? Go to step 3. End of work.
3Checking after reloading a new paper.
Reload a new paper in the Tray 1.
Does the error still occur when printing?Go to step 4. End of work.
4Checking the COVER ASSY FRONT MG for latching.
Open and close the COVER ASSY FRONT MG, and then 
latch correctly.
Does the error still occur when printing?Go to step 5. End of work.
5Checking the Main Motor (DRIVE ASSY MAIN) for 
operation.
Does the Main Motor (DRIVE ASSY MAIN) operate 
properly?
Checked by [Digital Output] - [Main Motor] on [IOT Diag] of 
diagnosis.
During this check, cheat the interlock switch (HARN ASSY 
INTERLOCK).Go to step 6. Go to step 18.
6Checking the DRIVE ASSY PH for operation.
Does the ROLL ASSY FEED, ROLL ASSY REGI and 
ROLL REGI METAL rotate properly?
Checked by [Digital Output] - [Regi Clutch] on [IOT Diag] of 
diagnosis.
During this check, cheat the interlock switch (HARN ASSY 
INTERLOCK).Go to step 7.Reseat or replace 
the DRIVE ASSY 
PH. (Refer to 
RRP7.3.)
7Checking the paper feeding position.
Is the paper not fed from the Tray 1?Go to step 8. Go to step 12.
8Checking after resetting the Guide Sides and End Guide on 
the Tray 1.
Reset the Guide Sides and End Guide, and reseat the Tray 
1 to the printer correctly.
Does the error still occur when printing?Go to step 9. End of work.