EPSON AcuLaser CX11/CX11F Revision B
TROUBLESHOOTING Printer 174
FIP-22
 Panel Message
îš„ TonerCart Error K
 Possible parts that caused the error
 Troubleshooting
îš„ Toner Cartridge K îš„ ANTENNA ASSY-CTRG or ANTENNA
CTRG
îš„
HARNESS ASSY
MAIN
îš„ PWBA MCU
îš„ LV/HVPS
Step Check Yes No
1
Model check of Toner Cartridge K
Is a Toner Cartridge K that complies with the
specifications attached?
Go to Step [2]. Replace with a
Toner Cartridge
K that complies
with the
specifications.
2
Attachment check of Toner Cartridge K
Re-attach Toner Cartridge K.
Does the error recur when the power is turned
ON?
Go to Step [3]. End of procedure
3
Check after replacement of Toner Cartridge K
Replace Toner Cartridge K.
Does the error recur when the power is turned
ON?
Go to Step [4]. End of procedure
4
Check of ANTENNA CTRG
Is ANTENNA CTRG dirty and damaged?
Clean
ANTENNA
CTRG, and then
proceed to step
[5].
Go to Step [6].
5
Does the error recur when the power is
turned ON?
Go to Step [6]. End of procedure
6
Continuity check of HARNESS ASSY MAIN
Disconnect P/J415 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J415-1 ↔ J106-2
J415-2 ↔ J106-1
Go to Step [7]. Repair broken or
shorted part.
7
Check after replacement of ANTENNA
ASSY-CTRG or ANTENNA CTRG
Replace ANTENNA ASSY-CTRG or
ANTENNA CTRG. (p.405) or (p.407)
Does the error recur when the power is turned
ON?
Go to Step [8]. End of procedure
8
Power supply check to PWBA MCU
Are the following power voltages being
supplied to PWBA MCU from LV/HVPS?
J410-1 ↔ J410-2: 3. 3 VDC
J410-3 ↔ J410-4: 5 VDC
J410-5/6 ↔ J410-7/8: 24 VDC
Replace PWBA
MCU. (p.432)
Go to Step [9].
9
Continuity check of HARNESS ASSY MAIN
Disconnect P/J410 from PWBA MCU and P/
J502 from LV/HVPS.
Do all of the wiring below have normal
continuity?
J410-1 ↔ J502-1
J410-2 ↔ J502-2
J410-3 ↔ J502-3
J410-4 ↔ J502-4
J410-5 ↔ J502-5
J410-6 ↔ J502-6
J410-7 ↔ J502-7
J410-8 ↔ J502-8
Replace LV/
HVPS. (p.435)
Repair broken or
shorted part.
Step Check Yes No
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