Table 2-2. TROUBLESHOOTING
TEST OR INSPECTION
1. Copy light does not light up.
POWER switch ON for all procedures. Lift keyboard guard assembly to check connections. (all
models except TT-76/GGC, TT-699/GGC which are secured to base plate by machine screws and
Step 1. Be sure unit is plugged in.
Step 2. Be sure LIGHT switch is set to ON.
Step 3. If LIGHT switch is set to ON, check lamp for
burned out bulb and be sure switch is free from binding.
Step 4. Check rear of light switch for loose, frayed or
If light bulb is in working order, higher category of maintenance required.