Brother HL-L3210CW - Page 81

2-62
Confidential
■ Error code 6201
GRID terminal signal detected that the black drum unit was not installed.
Error code 6202
GRID terminal signal detected that the yellow drum unit was not installed.
Error code 6203
GRID terminal signal detected that the magenta drum unit was not installed.
Error code 6204
GRID terminal signal detected that the cyan drum unit was not installed.
Error code 620A
Electrified terminal or GRID terminal signal detected that the black drum was not installed
when the machine was turned ON.
Error code 620B
Electrified terminal or GRID terminal signal detected that the yellow drum was not installed
when the machine was turned ON.
Error code 620C
Electrified terminal or GRID terminal signal detected that the magenta drum was not installed
when the machine was turned ON.
Error code 620D
Electrified terminal or GRID terminal signal detected that the cyan drum was not installed
when the machine was turned ON.
<User Check>
• Set the drum unit correctly.
Step Cause Remedy
1
Dirt on the electrified (corona
wire) terminals or GRID terminals
of the drum unit and those of the
machine
Clean the electrified (corona wire)
terminals or GRID terminals of the drum
unit and those of the machine.
(Refer to Fig. 2-6 (P2-63) and Fig. 2-7
(P2-63).)
2
Dirt on the high-voltage power
supply PCB terminal
Clean the high-voltage power supply PCB
terminal.
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB.
4 Main PCB failure Replace the main PCB.