EPSON AcuLaser C1100 Revision B
TROUBLESHOOTING Abnormal Noise-related Trouble 273
16
Is abnormal noise being generated from 
HOUSING ASSY-DEVE K, HOUSING 
ASSY-DEVE Y, HOUSING ASSY-DEVE 
M, or HOUSING ASSY-DEVE C that are 
driven by MOT ASSY MAG?
Replace 
HOUSING 
ASSY-DEVE K, 
HOUSING 
ASSY-DEVE Y, 
HOUSING 
ASSY-DEVE M, 
or HOUSING 
ASSY-DEVE C. 
Go to Step [17]. 
17
Is abnormal noise being generated by MOT 
ASSY ROT?
Replace MOT 
ASSY ROT. 
Go to Step [18]. 
18
Is abnormal noise being generated by 
FRAME ASSY-ROTARY that is driven by 
MOT ASSY ROT?
Replace 
FRAME ASSY-
ROTARY. 
Go to Step [19]. 
19
Is abnormal noise being generated by MOT 
ASSY MICRO?
Replace MOT 
ASSY MICRO. 
Go to Step [20]. 
20
Is abnormal noise being generated by 
FRAME ASSY-2ND that is driven by MOT 
ASSY MICRO?
Replace 
FRAME ASSY-
2ND. 
Go to Step [21]. 
21
Is abnormal noise being generated from 
MOTOR ASSY DUP INV in DUPLEX 
OPTION?
Replace 
DUPLEX 
OPTION. 
Go to Step [22]. 
22
Is abnormal noise being generated from 
ROLLER ASSY INVERTER that is driven 
by MOTOR ASSY DUP INV in DUPLEX 
OPTION?
Clean or replace 
ROLLER 
ASSY 
INVERTER. 
Go to Step [23]. 
23
Is abnormal noise being generated from 
MOTOR ASSY DUP in DUPLEX 
OPTION?
Replace 
DUPLEX 
OPTION. 
Go to Step [24]. 
24
Is abnormal noise being generated from 
ROLLER ASSY DUP that is driven by 
MOTOR ASSY DUP in DUPLEX 
OPTION?
Clean or replace 
ROLLER 
ASSY DUP. 
Go to Step [25]. 
Step Check Yes No
25
Is abnormal noise being generated from 
ROLLER ASSY DUP OUT that is driven 
by MOTOR ASSY DUP in DUPLEX 
OPTION?
Clean or replace 
ROLLER 
ASSY DUP 
OUT. 
Go to Step [26]. 
26
Is abnormal noise being generated by ROS 
ASSY?
Replace ROS 
ASSY. 
Step Check Yes No