Kyocera Mita KM-1505, Руководство по обслуживанию

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2BT
1-5-7
1-5-2 Self-diagnosis
(1) Self-diagnostic function
This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled. "C" and a number
between 011 and 731 altenates, indicating the nature of the problem.
After removing the problem, the self-diagnostic function can be reset by turning safety switch off and back on.
(2) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
A011
(C011)
A100
(C100)
A104
(C104)
Backup memory data problem
• Data in the specified area of the
backup memory does not match the
specified values.
Exposure lamp problem
• Check the CCD input value for the
lighting status of the exposure lamp
100 ms after the exposure lamp is lit
and the carriage is moved to the
shading position. If the exposure lamp
does not light, turn off the lamp. After
500 ms, light the lamp again and, a
further 500 ms later, check the CCD
input.
The exposure lamp does not light
after 5 retries.
Optical system problem
• After AGC, correct input is not
obtained at CCD.
Problem with the
backup memory
data.
Defective backup
RAM.
Poor contact of
the connector
terminals.
Defective
exposure lamp.
Defective main
PCB or inverter
PCB.
Incorrect shading
position.
CCD PCB output
problem.
Poor contact of
the connector
terminals.
Defective
exposure lamp.
Defective main
PCB or inverter
PCB.
Incorrect shading
position.
CCD PCB output
problem.
Turn safety switch off and back on and run
maintenance item U020 to set the contents
of the backup memory data again.
If the C011 is displayed after re-setting the
backup memory contents, replace the
backup RAM.
Check the connection of connector CN12
on the main PCB, and the continuity across
the connector terminals. Repair or replace
if necessary.
Replace the exposure lamp.
Replace the main PCB or inverter PCB and
check for correct operation.
Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the scanner home position switch.
Replace the ISU.
Check the connection of connector CN12
on the main PCB, and the continuity across
the connector terminals. Repair or replace
if necessary.
Replace the exposure lamp.
Replace the main PCB or inverter PCB and
check for correct operation.
Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the scanner home position switch.
Replace the ISU.