Chapter 6 1 Troubleshooting Guide - Ricoh ADF DF7010 Field Service Manual

Chapter 8 1 Troubleshooting Guide
1 Troubleshooting Guide
Countermeasures for the Defective Operation
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.
(1) "E017" Is Displayed
Step Cause/Detective section
1
Main PCB unit
(2) ADF PAPER JAM Is Displayed When the Power Is Turned On
Step Cause/Detective section
1
Paper separator unit,
2
ADF feed roller
3
Main PCB unit
4
ADF drive PCB unit
ADF document jam
5
sensor
52
Items to be checked
Are all the wiring harnesses
of the main PCB unit securely
connected?
Items to be checked
Does the ADF feed roller rotate?
Do the paper separator unit and
ADF feed roller feed the document? NO
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?
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?
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?
Result Countermeasure
Securely connect all the
NO connectors of the main PCB
unit.
YES Replace the main PCB unit.
Result Countermeasure
NO Go to step 7.
YES Go to step 2.
Clean the paper separator unit
and ADF feed roller. If the trouble
still exits, replace them.
YES Go to step 3.
NO Go to step 4.
Check the bundled wire and
connectors and then replace the
YES
main PCB unit.
NO Go to step 5.
Replace the main PCB unit.
YES
Replace the ADF document jam
NO
sensor.
Go to step 6.
YES