T-22
(8)
C133B: Communication with option error
<Detection Timing>
<Troubleshooting Procedures>
(9)
C133C: Modem error
<Detection Timing>
<Troubleshooting Procedures>
(10) C133D: ROM checksum error
<Detection Timing>
<Troubleshooting Procedures>
Description
• Communication could not be established with the Controller Control Board within 5 sec-
onds while printing.
Relevant Electrical Components
Controller/Mechanical Control Board (PWB-P)
Step
Action
Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electric Parts)
1
Replace PWB-P.
☞
D-12
–
–
Description
• A malfunction occurred in the Modem.
Relevant Electrical Components
Network Control Unit Board (NCU)
Step
Action
Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electric Parts)
1
Replace NCU.
☞
D-11
–
–
Description
• A malfunction occurred in the ROM.
Relevant Electrical Components
Controller/Mechanical Control Board (PWB-P)
Step
Action
Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electric Parts)
1
Replace PWB-P.
–
–
–
