EPSON AcuLaser C2600/2600
Revision B
Troubleshooting
Troubleshooting According to the Error Message
170
E123: Large temperature change
Error Occurrence/Error Detection Method
The temperatures detected by the three thermistors are higher than those detected
at a prescribed period of time ago, and the difference exceeds a specified limit.
Possible Parts Caused the Error
Check Point
Diagram
No.
Part Name
Reference
1
Fuser unit
page 237
2
POWER SUPPLY (230 V) / POWER SUPPLY (120 V)
page 319
3
BOARD ASSY., MAIN C585 MCU
page 310
No.
Check Point
1
Check if the NIP lever is used at the position for envelopes.
2
Check the Fuser Unit for the followings.
Check if paper is jammed at the Fuser.
Check the fuser roller for any scratch or foreign material.
Rotate the green knob on the backside of the fuser unit in order to check if
the spur gear 19 and heat roller turn smoothly.
3
Replace the [Fuser unit].
4
Replace the [POWER SUPPLY].
5
Replace the [BOARD ASSY., MAIN C585 MCU].
03002001
BOARD ASSY.,
MAIN
C585 MCU
POWER SUPPLY
CN109
J109
P12
J12
5
4
3
2
1
S24V
Relay
(N.C.)
/HR_ON
/HR_SUB
/HR_MAIN
AC LIVE
(N.C.)
HR_LAMP
PR_LAMP
P11
J11
1
2
3
4
Fuser Unit
1
2
3
4
1
2
3
4
J431AX
J431AY
A1
A2
A3
A4
A5
J431BX
J431BY
P431
J431
(Drawer Connector)
(Drawer Connector)
Fuser HR Heater
Fuser PR Heater
Fuser HR Thermostat
Fuser PR Thermostat
Fuser PR Thermistor
Fuser HR Thermistor
Fuser HR Thermistors
located at the one end
/FUSE_CUT2
/FUSER_SET
P.GND
TEMP_PR
S.GND
Vcc_PS_EJ
S.GND
/PS_EJ
TEMP_HR1
S.GND
TEMP_HR2
S.GND
A5
A4
A3
A2
A1
B3
B4
B5
B6
B7
B1
B2
B5
B4
B3
B2
B1
B7
B6
6
7
8
9
10
1
2
3
4
5
11
12
13
14
15
16
17
(N.C.)
(N.C.)
Fuser Sub Board
Old and New detection fuse
J432
3
2
1
Detecting installed status
wht
wht
wht
wht
wht
HARNESS, MAIN
gry
gry
plo
HARNESS, AC,
FUSER
Содержание Aculaser 2600 Series
Страница 1: ...EPSON AcuLaserC2600 2600 A4 Full Color Laser Printer SERVICE MANUAL SEPG04005 ...
Страница 12: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 85: ...C H A P T E R 2 OPERATINGPRINCIPLE ...
Страница 137: ...EPSON AcuLaser C2600 2600 Revision B Operating Principle Electrical Circuit Operation Principle 137 ...
Страница 139: ...EPSON AcuLaser C2600 2600 Revision B Operating Principle Electrical Circuit Operation Principle 139 ...
Страница 141: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 209: ...EPSON AcuLaser C2600 2600 Revision B Troubleshooting Test Print 209 PRINTED PATTERN 03003101 ...
Страница 210: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 364: ...C H A P T E R 5 ADJUSTMENT ...
Страница 384: ...C H A P T E R 6 MAINTENANCE ...
Страница 410: ...C H A P T E R 7 APPENDIX ...
Страница 437: ...EPSON AcuLaser C2600 2600 Revision B APPENDIX Exploded Diagrams 437 7 4 Exploded Diagrams ...
Страница 449: ...EPSON AcuLaser C2600 2600 Revision B APPENDIX Circuit Diagrams 449 7 5 Circuit Diagrams C585MAIN ...
Страница 450: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 1 of 5 Rev B ...
Страница 451: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 2 of 5 Rev A ...
Страница 452: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 3 of 5 Rev A ...
Страница 453: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 4 of 5 Rev B ...
Страница 454: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 5 of 5 Rev B ...