Service manual

V-21
Feed JAM FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
Paper cassette replacing condition
Paper condition in cassette
Wear or damage of rolls and gears in
feeder
Paper dust or foreign substances in paper
path
REGI sensor replacing condition
Main drive ASSY replacing condition
Replace the parts
concerned
With tool
Go to step [2]
Without tool
Go to step [3]
2
Checking REGI sensor
Does REGI sensor function normally?
Using diagnostic tool, check by digital
input test.
Go to step [6] Go to step [3]
3
Checking REGI clutch harness for
connection
Is it connected normally to the REGI
SENSOR?
Go to step [4]
Replace the
parts
concerned
4
Checking REGI clutch harness for
continuity
Is J181<=>J18 continuous normally?
Go to step [5]
Replace chute
REGI
5
Checking MCU HL-4200 for signal
Is P/J18-3<=>P/J18-2 0VDC?
Replace REGI
sensor
Go to step [6]
6
Checking main drive motor for operation
Does the main drive motor run when
printing 1 sheet?
Tray go to step
[16]
MSI go to step
[28]
With tool
Go to step [7]
Without tool
Go to step [8]
7
Checking main drive motor
Does main drive motor function normally?
Using diagnostic tool, check by digital
output test.
In the test, close the interlock SW.
Replace MCU
HL-4200
Go to step [8]
8
Checking PWBA HBN DRV for signal
Is P/J48-1PIN<=>P/J60-2PIN +24VDC?
Go to step [12] Go to step [9]
9
Checking interlock SW
Is the interlock SW pressed normally? Go to step [10]
Replace the
parts
concerned
10
Checking interlock SW for signal
Check the following if +24VDC is present.
SW-1PIN<=>P/J60-2PIN
SW-2PIN<=>P/J60-2PIN
Replace deive
PWBA HBN DRV
Go to step [11]
11
Checking drive PWBA HBN DRV for
power supply
Is P/J60-1PIN<=>P/J60-2PIN +24VDC?
Replace PWBA
HBN DRV
Go to FIP-DC
12
Checking PWBA HBN DRV for power
supply
Is P/J61-8PIN<=>P/J61-7PIN +5VDC?
Go to step [13] Go to step [14]
13
Checking PWBA HBN DRV for power
supply
Is P/J61-6PIN<=>P/J61-5PIN +3.3VDC?
Go to step [15] Go to step [14]
14
Checking harness ASSY LVNC3 for
continuity
Is J61<=>J165 continuous normally?
Go to FIP-DC
Replace
harness ASSY
LVNC3