Epson C 2900 Manual

							1 - 108 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 11Checking after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Does the error still occur when the power is turned OFF and 
ON?Go to step 12. End of work.
12Checking after replacing the TONER CARTRIDGE (Y, M, C 
or K).
Replace the TONER CARTRIDGE (Y, M, C or K), and check 
that the lock key is in the lock position. (Refer to RRP5.4.)
Does the error still occur when the power is turned OFF and 
ON?Go to step 13. End of work.
13Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Does the error still occur when the power is turned OFF and 
ON?Go to step 14. End of work.
14Checking after resetting the TRANSFER ASSY.
Reseat the TRANSFER ASSY.
Does the error still occur when the power is turned OFF and 
ON?Replace the 
TRANSFER 
ASSY. (Refer to 
RRP6.3.)End of work. Step CheckRemedy
Ye s N o 
						

							1 - 109 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.55  092-410 / 092-910: IOT CTD (ADC) Sensor Dustiness / CTD (ADC) Sensor 
Dustiness Warning
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY L SIDE (PL3.1.18)
TRANSFER ASSY (PL6.1.7)
PWBA MCU (PL8.2.13)
1Turn OFF the power, and gently wipe the CTD (ADC) 
Sensor window with a clean dry cloth or cotton swab.
After wiping the window, close the COVER ASSY FRONT 
MG.
Does the error still occur when the power is turned OFF and 
ON?
Go to step 2. End of work.
2Checking the connectors for connection.
Check the connectors between the PWBA MCU and CTD 
(ADC) Sensor.
Are P/J28 and P/J281connected correctly?
Go to step 4.Reconnect the 
connector(s) P/
J28 and/or P/J281 
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 HARN ASSY L SIDE for continuity.
Disconnect J28 from the PWBA MCU.
Disconnect J281 from the TRANSFER ASSY.
Is each cable of J28  J281 continuous?Go to step 5.Replace the 
HARN ASSY L 
SIDE.
5Checking the surface of the belt on the TRANSFER ASSY.
Is the belt dirty?Clean the belt with 
a clean dry cloth, 
then go to step 6.Go to step 7.
6Does the error still occur when the power is turned OFF and 
ON?Go to step 7. End of work.
7Checking after replacing the TRANSFER ASSY. 
Replace the TRANSFER ASSY (Refer to RRP6.3.)
Does the error still occur when the power is turned OFF and 
ON?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)End of work.
MiS01001SA
ADC Sensor window 
						

							1 - 110 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.56  092-661: IOT Environment Sensor Error
Step CheckRemedy
Ye s N o
Possible causative parts:
SENSOR HUM (PL8.2.7)
PWBA MCU (PL8.2.13)
HARN ASSY HUM (PL9.1.6)
1Does the error still occur when the power is turned OFF and 
ON?Go to step 2. End of work.
2Checking after resetting the SENSOR HUM.
Reseat the SENSOR HUM.
Does the error still occur when the power is turned OFF and 
ON?Go to step 3. End of work.
3Checking the HARN ASSY HUM for continuity.
Disconnect J20 from the PWBA MCU.
Disconnect J201 from the SENSOR HUM.
Is each cable of J20  J201 continuous?
Go to step 4.Replace the 
HARN ASSY 
HUM.
4Checking the power to SENSOR HUM.
Disconnect the connector of J20 from the PWBA MCU.
Is the voltage across P20-4pin  ground on the PWBA 
MCU, about +5 VDC?Replace the 
SENSOR HUM. 
(Refer to RRP8.7.)Replace the 
PWBA MCU. 
(Refer to RRP8.9.) 
						

							1 - 111 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.57  093-423 / 093-424 / 093-425 / 093-426: Cartridge (YMCK) Near Life
Step CheckRemedy
Ye s N o
Possible causative parts:
TONER CARTRIDGE (Y) (PL5.1.24)
TONER CARTRIDGE (M) (PL5.1.23)
TONER CARTRIDGE (C) (PL5.1.22)
TONER CARTRIDGE (K) (PL5.1.21)
PWBA MCU (PL8.2.13)
1Checking after replacing the TONER CARTRIDGE (Y, M, C 
or K).
Replace the TONER CARTRIDGE (Y, M, C or K). (Refer to 
RRP5.4.)
Does the error still occur when the power is turned OFF and 
ON?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)End of work. 
						

							1 - 112 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.58  093-919 / 093-920 / 093-921 / 093-922: IOT YMCK Toner Low Density
Step CheckRemedy
Ye s N o
Possible causative parts:
DRUM CARTRIDGE (PL4.1.21)
DISPENSER ASSY (PL5.1.1)
FRAME ASSY MOT (PL5.1.2)
MOTOR ASSY DISP (PL5.1.3)
GEAR IDLER (PL5.1.6)
GEAR IDLER AUG (PL5.1.7)
GEAR IDLER AGI (PL5.1.8)
TONER CARTRIDGE (Y) (PL5.1.24)
TONER CARTRIDGE (M) (PL5.1.23)
TONER CARTRIDGE (C) (PL5.1.22)
TONER CARTRIDGE (K) (PL5.1.21)
HARN ASSY TNR MOT (PL5.1.25)
TRANSFER ASSY (PL6.1.7)
PWBA MCU (PL8.2.13)
1Checking the Toner Type.
Is the Toner for C2900 seated?Go to step 2. Go to step 5.
2Checking the sealing tapes on the drum cartridge staying.
Are there sealing tapes on the drum cartridge?
Pull the tape out. Go to step 3.
3Checking the life count value of the TONER CARTRIDGE 
(Y, M, C or K).
Check the life count value of the TONER CARTRIDGE (Y, 
M, C or K) in [Parameter] in [IOT Diag] of diagnosis.
Does the remainder value shows the near of the end? 
(Refer to Chapter 2 for details of the life counter value.)Replace the 
TONER 
CARTRIDGE (Y, 
M, C or K), then 
go to step 4. 
(Refer to RRP5.4.)Go to step 7.
4Does the error still occur when the power is turned OFF and 
ON?Go to step 7. End of work.
5Checking the toner remainder in the Non-GenuineToner 
Cartridge (Y, M, C or K).
Is the toner that remains in the Non-GenuineToner Cartridge 
(Y, M, C or K) a little?Replace the Non-
GenuineToner 
Cartridge (Y, M, C 
or K), then go to 
step 6.Go to step 7.
6Does the error still occur when the power is turned OFF and 
ON?Go to step 7. End of work.
7Checking the sealing tapes for yellow toner of the DRUM 
CARTRIDGE staying.
Turn off the power, and open the COVER ASSY FRONT 
MG.
Remove the DRUM CARTRIDGE.
Has the sealing tapes for yellow toner been pulled out?
After checking, reseat the DRUM CARTRIDGE.Go to step 9.Pull the sealing 
tapes out, then go 
to step 8. 
						

							1 - 113 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 8Does the error still occur when the power is turned OFF and 
ON?Go to step 9. End of work.
9Checking after resetting the TONER CARTRIDGE (Y, M, C 
or K).
Remove the TONER CARTRIDGE (Y, M, C or K), and 
shake it from side to side.
Reseat the TONER CARTRIDGE (Y, M, C or K), and check 
that the lock key is in the lock position.
Does the error still occur when the power is turned OFF and 
ON?Go to step 10. End of work.
10Checking the DISPENSE MOTOR (Y, M, C and K) for 
rotation.
Does the DISPENSE MOTOR (Y, M, C and K) function 
normally?
Checked by [Digital Output] - [Yellow Toner Motor,Magenta 
Toner Motor,Cyan Toner Motor,Black Toner Motor] in [IOT 
Diag] of diagnosis.
During this check, cheat the interlock switch (HARN ASSY 
INTERLOCK).Go to step 11. Go to step 12.
11Checking the gears of the DISPENSER ASSY for shape 
and operation.
Are the shape and operation of the gears of the 
DISPENSER ASSY normal?
Example: For Yellow
Go to step 16.Replace the 
defective gear(s) 
or DISPENSER 
ASSY. (Refer to 
RRP5.1.)
12Checking the connector for connection.
Check the connectors between the PWBA MCU and 
DISPENSE MOTOR (Y, M, C and K).
Are P/J18 and P/J181(Y)/P/J182(M) connected correctly?
Are P/J19 and P/J191(C)/P/J192(K) connected correctly?
Example: For Yellow
Go to step 14.Reconnect the 
connector(s) P/ 
J18 and P/J181 
surly, then go to 
step 8. or 
reconnect the 
connector(s) P/ 
J19 and P/J191 
surly, then go to 
step 8.
13Does the error still occur when the power is turned OFF and 
ON?Go to step 14. End of work. Step CheckRemedy
Ye s N o
MiS01002SAGear 
						

							1 - 114 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 14Checking the HARN ASSY TNR MOT for continuity.
Disconnect J18 from the PWBA MCU.
Disconnect J181(Y)/J182(M)/J191(C)/J192(K) from the 
DISPENSE MOTOR (YMCK) MOT.
Is each cable of J18  J181/182 continuous? or Is each 
cable of J19  J191/192 continuous? Go to step 15.Replace the 
HARN ASSY TNR 
MOT.
15Checking the power to TNR (Y) MOT (MOTOR ASSY 
DISP).
Disconnect J18/J19 from the PWBA MCU.
Is the voltage across P18P/19-3pin  ground on PWBA 
MCU, about +24 VDC when the interlock switch (HARN 
ASSY INTERLOCK) is pushed.Replace the 
MOTOR ASSY 
DISP or FRAME 
ASSY MOT. 
(Refer to RRP5.1.)Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
16Checking after replacing the TONER CARTRIDGE (Y, M, C 
or K).
Replace the TONER CARTRIDGE (Y, M, C or K), and check 
that the lock key is in the lock position. (Refer to RRP5.4.)
Does the error still occur when the power is turned OFF and 
ON?Go to step 17. End of work.
17Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Does the error still occur when the power is turned OFF and 
ON?Go to step 18. End of work.
18Checking after resetting the TRANSFER ASSY.
Reseat the TRANSFER ASSY.
Does the error still occur when the power is turned OFF and 
ON?Replace the 
TRANSFER 
ASSY. (Refer to 
RRP6.3.)End of work. Step CheckRemedy
Ye s N o 
						

							1 - 115 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.59  093-925 / 093-950 / 093-951 / 093-952: IOT (YMCK) Toner CRUM Comm Error
Step CheckRemedy
Ye s N o
Possible causative parts:
TONER CARTRIDGE (Y) (PL5.1.24)
TONER CARTRIDGE (M) (PL5.1.23)
TONER CARTRIDGE (C) (PL5.1.22)
TONER CARTRIDGE (K) (PL5.1.21)
CONNECTOR CRUM (PL5.1.14)
PWBA MCU (PL8.2.13)
HARN ASSY TONER CRUM (PL5.1.26)
1Checking the TONER CARTRIDGE (Y, M, C or K) for 
installing.
Reseat the TONER CARTRIDGE (Y, M, C or K).
Does the error still occur when the power is turned off and 
on?Go to step 2. End of work. 
2Checking the connectors for connection.
Check the connections between the PWBA MCU and 
CONNECTOR CRUM (Y, M, C or K).
Are P/J31 and P/J311(Y) / P/J312 (M) / P/J313(C) / P/J314 
(K) connected surely?Go to step 4.Reconnect the 
connector(s) 
surely, 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 HARN ASSY TONER CRUM for continuity.
Disconnect P/J31 from the PWBA MCU.
Disconnect P/J311(Y) / P/J312 (M) / P/J313(C) / P/J314 (K) 
from the CONNECTOR CRUM (YMCK).
Is each cable of P/J31  P/J311(Y) / P/J312 (M) / P/ 
J313(C) / P/J314 (K) continuous?Go to step 5.Replace the 
HARN ASSY 
TONER CRUM.
5Checking the output power of CONNECTOR CRUM (Y, M, 
C or K).
Disconnect P/J31 on the PWBA MCU.
Is the voltage across ground  J31-3(Y)/7(M)/11(C)/ 
15(K) pin on the PWBA MCU, about +3.3VDC?Replace the 
DISPENSER 
ASSY. (Refer to 
RRP5.1.)Go to step 6.
6Checking after the TONER CARTRIDGE (Y, M, C or K).
Replace the TONER CARTRIDGE (Y, M, C or K).
Does the error still occur when the power is turned off and 
on?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)End of work. 
						

							1 - 116 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.60  093-926 / 093-960 / 093-961 / 093-962: IOT (YMCK) CRUM ID Error
Step CheckRemedy
Ye s N o
Possible causative parts:
CONNECTOR CRUM (PL5.1.14)
TONER CARTRIDGE (Y) (PL5.1.24)
TONER CARTRIDGE (M) (PL5.1.23)
TONER CARTRIDGE (C) (PL5.1.22)
TONER CARTRIDGE (K) (PL5.1.21)
HARN ASSY TONER CRUM (PL5.1.26)
PWBA MCU (PL8.2.13)
1Close the COVER ASSY WINDOW TNR correctly.
Does the error still occur when the power is turned OFF and 
ON?Go to step 2. End of work.
2Checking the Toner Type.
Is the Toner for C2900 seated?Go to step 3.Change the Toner 
Type setting to 
Non-GenuineToner.
3Checking after resetting the TONER CARTRIDGE (Y, M, C 
or K).
Reseat the TONER CARTRIDGE (Y, M, C or K), and check 
that the lock key is in the lock position.
Does the error still occur when the power is turned OFF and 
ON?Go to step 4. End of work.
4Checking after replacing the TONER CARTRIDGE (Y, M, C 
or K).
Replace the TONER CARTRIDGE (Y, M, C or K), and check 
that the lock key is in the lock position. (Refer to RRP5.4.)
Does the error still occur when the power is turned OFF and 
ON?Go to step 5. End of work.
5Checking the connector for connection.
Check the connectors between the PWBA MCU and 
CONNECTOR CRUM.
Are P/J31 and P/J311(Y),P/J312(M),P/J313(C),P/J314(K) 
connected correctly?
Example: For Yellow
Go to step 7.Reconnect the 
connector(s) P/ 
J31 and/or P/J311 
(Y),P/J312 (M),P/
J313 (C),P/J314 
(K) surly, then go 
to step 6.
6Does the error still occur when the power is turned OFF and 
ON?Go to step 7. End of work.
7Checking the HARN ASSY TONER CRUM for continuity.
Disconnect J31 from the PWBA MCU.
Disconnect J311 from the CONNECTOR CRUM.
Is each cable of J31  J311/J312/J313/J314 continuous?Go to step 8.Replace the
HARN ASSY
TONER CRUM(Y, 
M, C or K).
8Checking the power to CONNECTOR CRUM.
Disconnect J31 from the PWBA MCU.
Is the voltage across P31-3pin(Y)/-7pin(M)/-11pin(C)/-15pin 
 ground on the PWBA MCU, about +3.3 VDC?Replace the 
CONNECTOR 
CRUM(Y, M, C or 
K). Replace the 
PWBA MCU. 
(Refer to RRP8.9.) 
						

							1 - 117 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.61  093-930 / 093-931 / 093-932 / 093-933: IOT Toner Cartridge (YMCK) Life Over
Step CheckRemedy
Ye s N o
Possible causative parts:
TONER CARTRIDGE (Y) (PL5.1.24)
TONER CARTRIDGE (M) (PL5.1.23)
TONER CARTRIDGE (C) (PL5.1.22)
TONER CARTRIDGE (K) (PL5.1.21)
PWBA MCU (PL8.2.13)
1Checking after replacing the TONER CARTRIDGE (Y, M, C 
or K).
Replace the TONER CARTRIDGE (Y, M, C or K). (Refer to 
RRP5.4.)
Does the error still occur when the power is turned OFF 
and ON?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)End of work.