Epson EPL-6200L - 3.2.4 Laser Problem

EPSON EPL-6200/EPL-6200L Revision A
Troubleshooting Troubleshooting When There is Error Display 109
3.2.4 Laser problem
 Any of the following conditions is handled as a laser problem:
 When the laser output exceeded the upper limit.
 The laser output dropped below the lower limit.
3.2.5 High voltage circuit problem
 Any of the following conditions is handled as a high voltage circuit problem:
 The charging monitor voltage (HVC_MON) signal was detected to be out of
the predetermined limits after passage of the predetermined period of time
from power on.
 The transfer voltage monitor signal (T_MON_V) or the transfer current
monitor signal (T_MON_I) was detected to be out of the predetermined
limits.
Table 3-7. Troubleshooting for “Laser problem”
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• PH Unit (p.154)
•FFC
• Main Board Assy (C533/C534 Main) (p.146)
1
Connection with connectors
Check the connection of the cable, and correct it if
any problem is found.
♦Has the error been cleared?
Problem
solved
Go to Step 2
2
PH unit
Replace the PH unit.
♦Has the error been cleared?
Replace the
PH unit.
Go to Step 3
3
Main Board Assy.
Replace the Main Board Assy.
♦Has the error been cleared?
Replace the
Main Board
Assy.
Go to “3.4.2
Electrical
Noise” (p.120)
Table 3-8. Troubleshooting for “High voltage circuit problem”
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• Fuser Unit (p.152)
• Main Board Assy (C533/C534 Main) (p.146)
1
Fuser unit
Replace the fuser unit.
♦Has the error been cleared?
Replace the
fuser unit.
Go to Step 2
2
Main Board Assy.
Replace the Main Board Assy.
♦Has the error been cleared?
Replace the
Main Board
Assy.
Go to “3.4.2
Electrical
Noise” (p.120)