Ricoh ADF DF7010, Field Service Manual

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Chapter 8 1 Troubleshooting Guide
1 Troubleshooting Guide
Countermeasures for the Defective Operation
Step Cause/Detective section Items to be checked Result Countermeasure
1
Are all the wiring harnesses
of the main PCB unit securely
connected?
NO
Securely connect all the
connectors of the main PCB
unit.
Main PCB unit
YES Replace the main PCB unit.
(1) “E017” Is Displayed
When the messages listed below are displayed on the LCD or when trouble such as malfunctioning
or a paper jam occurs, proceed with an inspection following the procedure for the item and take
measures accordingly.
(2) ADF PAPER JAM Is Displayed When the Power Is Turned On
Step Cause/Detective section Items to be checked Result Countermeasure
1
Does the ADF feed roller rotate? NO Go to step 7.
YES Go to step 2.
2
Paper separator unit,
ADF feed roller
Do the paper separator unit and
ADF feed roller feed the document? NO
Clean the paper separator unit
and ADF feed roller. If the trouble
still exits, replace them.
YES Go to step 3.
3
Main PCB unit
When the ADF document jam
sensor is checked with HELP-
011-2, does ADF DOCUMENT
JAM SENSOR display 0 in the
photopassing status and 1 in the
photointerrupting status?
NO Go to step 4.
YES
Check the bundled wire and
connectors and then replace the
main PCB unit.
4 ADF drive PCB unit
Measure the voltage between
CN2-5 and GND of the ADF
drive PCB unit with a tester. Is
it HIGH (approx. 4.5 V) in the
photointerrupting status and LOW
in the photopassing status?
NO Go to step 5.
YES
Replace the main PCB unit.
5
ADF document jam
sensor
When the ADF document jam
sensor is checked with HELP-
011-2, does ADF DOCUMENT
JAM SENSOR display 0 in the
photopassing status and 1 in the
photointerrupting status?
NO Replace the ADF document jam
sensor.
YES
Go to step 6.