Canon GP160DF Service Handbook page 133

Status 3 (misprint status in detail)
Bit Meaning
0 Parity bit (odd number)
1 Reserved
2 Reserved
3 Paper size error
4 Paper feeding fault
5 Reserved
6 BD signal trouble
7 Reserved
[Bit 3]
When the registration clutch is turned off then on again and the recording paper leading
edge sensor is ON, this becomes 1.
[Bit 4]
When the set or specified paper size is judged to be different from the paper feeding
into the printer, this becomes 1.
[Bit 6]
When there is a fault in the laser scanning mechanism and the BD signal is not output
at the prescribed timing (cycle and signal width), this becomes 1.
Abnormal
Abnormal
Out of order
Table 4-28
CHAPTER 4 SERVICE MODE
1 0
Normal
Normal
Normal
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