HP M750 series

The DC controller notifies the formatter of a paper size mismatch error when the paper length detected by
the TOP sensor does not match the paper size specified by the formatter.
Figure 1-40 Paper feed
TOP sensor
M1
M5
Registration shutter
Registration roller
Pickup motor
ITB motor
DC controller
PS5
Skew-feed prevention
The printer corrects the skew feed without decreasing the throughput.
ENWW Pickup, feed, and delivery system 55