Epson AcuLaser C2800 Service Manual page 114

AcuLaser C2800/C2800D/C3800/C3800D
FIP 1-40 Replace Fuser
Possible parts that caused the error
FUSER UNIT
Troubleshooting
Step Check
Check after replacing the FUSER UNIT
1
Replace the FUSER UNIT with a new one.
(p.300)
Does the error still occur after the replacement?
TROUBLESHOOTING
PWBA MCU
Yes No
Replace the End of procedure
PWBA MCU.
(p.348)
Engine-related Trouble FIP
FIP-41 INSTALL YELLOW(Y) TNRCART
Possible parts that caused the error
IMAGING CARTRIDGE (Y)
DISPENSER ASSY (Y)
Troubleshooting
Step Check
Check the toner tape
1
Is the toner tape pulled out of the IMAGING
CARTRIDGE (Y)?
Check after turning the power OFF and ON
2
Does the error recur even when the power is
turned off and back on again?
Check after replacing the IMAGING
3
CARTRIDGE (Y)
Replace the IMAGING CARTRIDGE (Y) with
a new one. (p.271)
Does the error still occur after the replacement?
Check the connection of the DISPENSER
4
ASSY (Y)
Check the connection state between
DISPENSER ASSY (Y) and PWBA MCU.
Are P/J181 and P/J18 connected correctly?
Check the continuity of the HARNESS ASSY
5
LV TOP
Is the continuity between P/J18 <=> P/J181
normal?
Check the power voltage supply to
6
DISPENSER ASSY (Y)
1. Close the interlock switch (HARNESS
ASSY INTERLOCK) before performing
the following work.
2. Measure the voltage between PWBA
MCU ground <=> P/J18-A1PIN, A2PIN.
Is the power voltage (approx. +24 V) output?
Revision C
HARNESS ASSY LV TOP
PWBA MCU
Yes No
Go to Step [2]. Pull out the toner
tape.
Go to Step [3]. End of procedure
Go to Step [4]. End of procedure
Go to Step [5]. Reconnect P/J181
and P/J18
correctly.
Go to Step [6]. Replace the
HARNESS
ASSY LV TOP.
Replace the Replace the
DISPENSER PWBA MCU.
ASSY (Y). (p.343)
(p.271)
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