Epson AcuLaser C2800 - Page 113

AcuLaser C2800/C2800D/C3800/C3800D Revision C
TROUBLESHOOTING Engine-related Trouble FIP 113
Confidential
FIP 1-38 Replace Toner Black(K)
 Possible parts that caused the error
 Troubleshooting
FIP 1-39 Replace Transfer Unit
 Possible parts that caused the error
 Troubleshooting
 IMAGING CARTRIDGE (K)
 DISPENSER ASSY (K)
 HARNESS ASSY LV TOP
 PWBA MCU
Step Check Yes No
1
Check after replacing the IMAGING
CARTRIDGE (K)
Replace the IMAGING CARTRIDGE (K) with
a new one. (p.271)
Does the error still occur after the replacement?
Go to Step [2]. End of procedure
2
Check the connection of the DISPENSER
ASSY (K)
Check the connection state between
DISPENSER ASSY (K) and PWBA MCU.
Are P/J183 and P/J18 connected correctly?
Go to Step [3]. Reconnect P/J183
and P/J18
correctly.
3
Check the continuity of the HARNESS ASSY
LV TOP
Is the continuity between P/J18 <=> P/J183
normal ?
Go to Step [4]. Replace the
HARNESS
ASSY LV TOP.
4
Check the power voltage supply to
DISPENSER ASSY (K)
1. Close the interlock switch (HARNESS
ASSY INTERLOCK) before performing
the following work.
2. Measure the voltage between PWBA
MCU ground <=> P/J18-B1PIN, B2PIN.
Is the power voltage (approx. +24 V) output?
Replace the
DISPENSER
ASSY (K).
(p.271)
Replace the
PWBA MCU.
(p.343)
 TRANSFER UNIT  PWBA MCU
Step Check Yes No
1
Check after replacing the TRANSFER UNIT
Replace the TRANSFER UNIT with a new one.
(p.268)
Does the error still occur after the replacement?
Replace the
PWBA MCU.
(p.343)
End of procedure