The timing of discharge of ink from the printing head is corrected to cancel out {HEAD ~ the determined amount} of variation, and printing is performed based on image data in accordance with {TAIL ~ the corrected timing} 
The timing of discharge of ink from the printing head is corrected to cancel out { HEAD ~ the determined amount } of variation , and printing is performed based on image data in accordance with { TAIL ~ the corrected timing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL