The Palo Alto company said in a release that the increased cuts come "as HP continues to reengineer the workforce to be more competitive and meet its objectives."
HP said it had 317,500 workers at the end of October, when it was partway into its restructuring.
Chief Executive Meg Whitman said in a statement that the company's turnaround "remains on track."
"We're gradually shaping HP into a more nimble, lower-cost, more customer- and partner-centric company that can successfully compete," she said.
The company also reported that net income in the three-month period that ended April 30 rose 18% to $1.27 billion, or 66 cents per share.
Excluding special items such as restructuring charges, adjusted earnings were 88 cents per share, meeting the expectation of analysts polled by FactSet.
Revenue fell 1% to $27.31 billion, below the $27.43 billion that analysts expected.
HP's quarterly results were unexpectedly released early, before markets closed. HP's stock dropped 74 cents, or 2.3%, to close at $31.78 and fell an additional 1.4% to $31.33 in after-hours trading.
The company said it expects adjusted earnings of 86 cents to 90 cents per share in the current quarter, with the midpoint a penny below the 89 cents that analysts are looking for. HP said full-year adjusted earnings will be between $3.63 and $3.75 per share. The midpoint is 2 cents below analysts' expectations of $3.71 per share.
Personal computer sales — HP's largest source of revenue — rose 7% to $8.2 billion as buoyant sales to businesses offset a slight consumer decline. Companies like