TA Triumph-Adler LP 210 - Manual (Page 148)

10 Troubleshooting
10-18 Laser Printer 200 Series
Service messages
These messages indicate more serious faults that can only be rectified by
a customer service engineer.
If one of these messages is signalled, switch the printer off and then on
again. If the problem persists, contact your technical customer service
centre.
Lamps (flashing
alternately)
Meaning Action
Transmission error Switch the printer off and then on
again. If the problem persists,
contact your technical customer
service centre.
System error or a fault
with the laser unit
Fusing unit fault
Polygon mirror fault
Network transmission
error