EPSON AcuLaser C2600/2600
Revision B
Troubleshooting
Troubleshooting According to the Error Message
159
E091: Low voltage power supply error
Error Occurrence/Error Detection Method
The printer monitors the 24 V output from the Low Voltage Power Supply after
the mechanical controller comes back to normal status from resetting status, and if
the 24 V signal changes to “L”, it is detected by the printer and causes this error.
Possible Parts Caused the Error
Check Point
Diagram
No.
Part Name
Reference
1
POWER SUPPLY (230 V) / POWER SUPPLY (120 V)
page 319
2
HARNESS, MAIN
---
3
BOARD ASSY., MAIN C585 MCU
page 310
No.
Check Point
1
Check the connection status between the LVPS and the MCU.
[POWER SUPPLY] (P13) - [HARNESS, MAIN] - [BOARD ASSY.,
MAIN C585 MCU] (CN103)
[POWER SUPPLY] (P12) - [HARNESS, MAIN] - [BOARD ASSY.,
MAIN C585 MCU] (CN109)
2
Replace the [POWER SUPPLY].
3
Replace the [BOARD ASSY., MAIN C585 MCU].
BOARD ASSY.,MAIN
C585 MCU
S.GND
3.3V
S.GND
5V
P.GND
24V
P.GND
HARNESS, MAIN
J13
P13
POWER SUPPLY
wht
wht
J103
CN103
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CN109
J109
S24V
(N.C.)
/HR_ON
/HR_SUB
/HR_MAIN
1
2
3
4
5
P12
J12
5
4
3
2
1
gry
gry
03001001
Summary of Contents for Aculaser 2600 Series
Page 1: ...EPSON AcuLaserC2600 2600 A4 Full Color Laser Printer SERVICE MANUAL SEPG04005 ...
Page 12: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 85: ...C H A P T E R 2 OPERATINGPRINCIPLE ...
Page 141: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 209: ...EPSON AcuLaser C2600 2600 Revision B Troubleshooting Test Print 209 PRINTED PATTERN 03003101 ...
Page 210: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 364: ...C H A P T E R 5 ADJUSTMENT ...
Page 384: ...C H A P T E R 6 MAINTENANCE ...
Page 410: ...C H A P T E R 7 APPENDIX ...
Page 437: ...EPSON AcuLaser C2600 2600 Revision B APPENDIX Exploded Diagrams 437 7 4 Exploded Diagrams ...
Page 450: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 1 of 5 Rev B ...
Page 451: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 2 of 5 Rev A ...
Page 452: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 3 of 5 Rev A ...
Page 453: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 4 of 5 Rev B ...
Page 454: ...Model AcuLaser C2600 AcuLaser 2600 Board C585 MAIN Sheet 5 of 5 Rev B ...