二维码打印怎么调整？

<h2>1.编号被遮住了怎么办?</h2> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/fea394c52137a09f2f2d4274b699965a?showdoc=.jpg" alt="" /></p> <h2>2.二维码有点歪，怎么调正?</h2> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/346e4719160ccb35bfaabcda05107829?showdoc=.jpg" alt="" /></p> <h2>3.二维码的上下间隔和右边的间隔怎么调整?</h2> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/f6c62893285e5262563e35c5ab61ebfd?showdoc=.jpg" alt="" /> <img src="https://www.showdoc.cc/server/api/common/visitfile/sign/920331c96b5922568443238a36974c51?showdoc=.jpg" alt="" /></p>