Epson Aculaser C9200N - Page 124

EPSON AcuLaser C9200N Revision D
Troubleshooting Service Call Error 124
Confidential
E620: COLOR PC DRUM SENSOR MALFUNCTION E621: BLACK PC DRUM SENSOR MALFUNCTION
Relevant Electrical Parts
 Transport Drive Assy
 Mechanical Control Board (PWB-M)
 Harness
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check if the Detect Light Shield Plate
has damages and is properly installed,
and correct as necessary.
--- ---
2 Check the Transport Drive Assy
connector for proper connection and
correct as necessary.
--- ---
3 Check the PWB-M connector for
proper connection and correct as
necessary.
--- ---
4 Change the cable that connects
Transport Drive Assy and PWB-M.
--- ---
5 Change Transport Drive Assy (p.230) --- ---
6 Change PWB-M (p.198) --- ---
Relevant Electrical Parts
 Transport Drive Assy
 Mechanical Control Board (PWB-M)
 Harness
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check if the Detect Light Shield Plate
has damages and is properly installed,
and correct as necessary.
--- ---
2 Check the Transport Drive Assy
connector for proper connection and
correct as necessary.
--- ---
3 Check the PWB-M connector for
proper connection and correct as
necessary.
--- ---
4 Change the cable that connects
Transport Drive Assy and PWB-M.
--- ---
5 Change Transport Drive Assy (p.230) --- ---
6 Change PWB-M (p.198) --- ---