Brother HL-P2000, Service Manual

Page: 93 / 294

IV-24
5. DOCUMENT FEEDING PROBLEM
Caution:
When a document jam occurs, pressing the Stop key will eject the jammed document. If
the document is not ejected, open the scanner panel cover to remove it.
Problem Possible cause Check Result
Remedy
‘1’ is indicated on
the LED although
no documents are
set. Scanner sensor
failure Check the sensor works
correctly by using the
factory inspection
program mode. No Replace the scanner
sensor PCB.
Or, ‘1’ is not
indicated on the
LED although
documents are set. Document
front/rear sensor
actuators failure Do the document
front/rear sensor
actuators work
correctly? No Replace the
document front/rear
sensor actuators.
Main PCB failure Is the problem solved
after the main PCB is
replaced? Yes Replace the main
PCB.
Documents are not
fed. ADF failure Does the ADF and its
related parts (especially
the separation rubber)
work correctly? No Replace the defective
ADF related parts.
Scanner motor
failure Does the scanner motor
work correctly? Is the
scanner motor harness
connected securely? No Replace the scanner
motor or reconnect
the scanner motor
harness securely.
Document feed
roller failure Do the document feed
rollers and their related
gears work correctly? No Replace the defective
document feed roller
or gear.
Main PCB failure Is the problem solved
after the main PCB is
replaced? Yes Replace the main
PCB.
Document
thickness Does the document
meet the document
specification (thickness,
etc.)? Are more
documents than the
maximum number set in
the ADF? Yes Set the specified type
and number of
documents.
Documents are
double-fed. ADF parts failure Do the ADF feed parts
(especially the
separation rubber) work
correctly? No Replace the defective
ADF parts.
Scanner panel
cover Is a document set with
the panel cover opened? Yes Re-set the document
with the panel cover
closed.