Kyocera Mita DC-2060, Service Manual

Page: 407 / 437

1AH
3-6-36
Problem Causes Check procedures/corrective measures
(17)
The upper
paper feed
clutch does
not operate.
(18)
The upper
feed clutch
does not
operate.
(19)
The lower
feed clutch
does not
operate.
(20)
The cleaning
lamp does not
light.
(21)
The halogen
lamp does not
light.
With CN17-13 on the MPCB held low, check if
the upper paper feed clutch operates. If it
does, replace the MPCB.
Check for continuity across the coil. If none,
replace the upper feed clutch.
Check for continuity across the connector
terminals. If none, replace them.
With CN2-23 on the MPCB held low, check if
the upper feed clutch operates. If it does,
replace the MPCB.
Check for continuity across the coil. If none,
replace the lower feed clutch.
Check for continuity across the connector
terminals. If none, replace them.
With CN17-4 on the MPCB held low, check if
the lower feed clutch operates. If it does,
replace the MPCB.
Check for continuity. If none, replace the
cleaning lamp.
Check for continuity across the connector
terminals. If none, replace them.
With CN3-17 on the MPCB held low, check if
the cleaning lamp lights. If it does, replace the
MPCB.
Check for continuity. If none, replace the
halogen lamp (see page 3-3-33).
See page 3-6-4.
Defective MPCB.
Broken upper feed
clutch coil.
Poor contact in the
upper feed clutch
connector terminals.
Defective MPCB.
Broken lower feed
clutch coil.
Poor contact in the
lower feed clutch
connector terminals.
Defective MPCB.
Broken cleaning lamp
filament.
Poor contact in the
cleaning lamp
connector terminals.
Defective MPCB.
Broken halogen lamp
filament.
Optical thermostat
triggered.
Poor contact in the
CPCB connector
terminals.
Defective MPCB.
Defective CPCB.