Brother HL-4200CN, Service Manual

Page: 256 / 366

V-50
Menu
No.
Part/signal name Test method
Reference
BSD
DO-36
TRAY1 TURN CLUTCH
ON
Check by hearing that the clutch
operates.
2.7.1
DO-38
TRAY1 FEED SOLENOID
ON
Check by hearing that the clutch
operates.
2.7.1
DO-40 CHARGI FILM ON
<WARNING><CAUTION>
2.8.1
DO-42 DEVE BIAS AC ON
<WARNING><CAUTION>
2.8.2
DO-44 DEVE BIAS DC Y ON
<WARNING><CAUTION>
2.8.2
DO-46 DEVE BIAS DC M ON
<WARNING><CAUTION>
2.8.2
DO-48 DEVE BIAS DC C ON
<WARNING><CAUTION>
2.8.2
DO-4a DEVE BIAS DC K ON
<WARNING><CAUTION>
2.8.2
DO-4c IDT1 PLUS ON
<WARNING><CAUTION>
2.8.6
DO-4e IDT1 MINUS ON
<WARNING><CAUTION>
2.8.6
DO-50 IDT2 PLUS ON
<WARNING><CAUTION>
2.8.6
DO-52 IDT2 MINUS ON
<WARNING><CAUTION>
2.8.6
DO-54 IDT1 CLEANER ON
<WARNING><CAUTION>
2.8.6
DO-56 IDT2 CLEANER ON
<WARNING><CAUTION>
2.8.6
DO-58 TRANSFER ROLL
CARTRIDGE PLUS ON
<WARNING><CAUTION>
2.8.6
DO-5a TRANSFER ROLL
CARTRIDGE MINUS ON
<WARNING><CAUTION>
2.8.6
DO-5c DTS ON
<WARNING><CAUTION>
2.8.6
DO-60
TRAY2 TURN CLUTCH
ON
Check by hearing that the clutch
operates.
2.7.3A
2.7.3B
DO-62
TRAY2 FEED SOLENOID
ON
Check by hearing that the solenoid
operates.
2.7.3A
2.7.3B
DO-64
TRAY3 TURN CLUTCH
ON
Check by hearing that the clutch
operates.
2.7.4
DO-66
TRAY3 FEED SOLENOID
ON
Check by hearing that the solenoid
operates.
2.7.4
WARNING
Never touch a high-voltage or live section during high-voltage output.
Never touch a drive section during driving.
Output a laser beam with all the covers attached.
CAUTION
To avoid damage, do not keep the laser ON for a long time.
(Turn it to OFF within several seconds.)