Frontier LP7500 Service Manual page 398

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Diagnosis appendix for the failures: Symptom due to the connection failure of wiring
! ! ! ! Printer I/O PCB 1
Connector No.
J/P232 Connects to the counter.
J/P233 Connects to paper advance
section cooling fan 1 and the
quad magazine PCB
(option).
J/P234 Connects to printer I/O PCB
3.
J/P235 Power supply (+24V) from
printer power supply 3
(without the optional
magazine)
Power supply (+24V) from
printer power supply 3 (with
the triple magazine installed)
Power supply (+24V) from
printer power supply 3 (with
the quad magazine installed)
J/P237 Printer power supply 1,
printer power supply 2,
printer power supply 3,
printer power supply 4
(when the quad magazine is
installed)
J/P238 Inputs the AC power supply
from the Processor relay
PCB.
J/P239 Connects to the interlock
switch (printer door 2).
J/P240 Connects to the interlock
switch (printer door 1),
interlock switch (printer
doors 1 and 4) (when the
quad magazine is installed).
J/P241 Connects to the laser control
PCB.
J/P242 Connects to the printer I/O
PCB 2 and paper end sensor
B.
J/P243 Printer control PCB
J/P244 Exposure advance pressure
change motor 3
J/P245 Connects to the printer
control PCB.
J/P246 Connects to the triple
magazine PCB (option).
Connects to the quad
magazine PCB (option).
J/P247 Inputs the power supply
from printer power supply 5
(+5V)
J/P248 Connects to exposure
advance pressure change
motors 1 and 2.
4202
The counter stops operation.
No malfunctions in the operations will occur on this condition.
Control box cooling fan 2 does not rotate.
No malfunctions in the operations will occur on this condition.
No.06200-00001 Width Change Motor A2 operation error. occurs when printing is started
using magazine A2.
No.06136-00001 Exposure Advance Pressure Change Motor 1 operation error. occurs.
No.06136-00001 Exposure Advance Pressure Change Motor 1 operation error. occurs.
• When confirmed by input check, the interlock switch (printer door 2) turns off.
• When confirmed by input check, the interlock switch (printer door 1) and interlock
switch (printer door 1 and 4) turn off.
• When confirmed by input check, the interlock switch (for printer doors 1 and 2) and
interlock switch (printer top cover) turns off.
No.06016-00004 Paper Cutter operation error. occurs.
No.06137-00001 Exposure Advance Pressure Change Motor 2 operation error. or
No.06186-00001 Exposure Advance Pressure Change Motor 3 operation error. is
shown.
No.06186-00001 Exposure Advance Pressure Change Motor 3 operation error. occurs.
Printing is not started.
On the Input Check display, Interlock Switch 1 (Printer Top Cover)Interlock Switch
(Printer Door 1, 2) shows OFF.
No.06210-00001 Paper remains in the Paper Supply Unit. occurs.
No.06210-00001 Paper remains in the Paper Supply Unit. occurs.
No.06136-00001 Exposure Advance Pressure Change Motor 1 operation error. occurs.
No.06137-00001 Exposure Advance Pressure Change Motor 2 operation error. occurs.
4202
Symptom
4/9