Brother International HL 1850 Service Manual - Page 202

HL-1850/1870N SERVICE MANUAL 6. IMAGE DEFECTS 6.1 Image Defect Examples dp FP I-1 Light 1-2 Dark 1-3 Completely blank 1-4 All black I-5 Dirt on back of paper I-6 Black vertical streaks LIP 1-6 Black vertical streaks Also K/0 44•1 404t4e 1-7 Black horizontal stripes I 1-8 Black vertical streaks 1-9 White vertical streaks I-10 White horizontal streaks 1-15 White spots • I-11 Faulty registration . • • L P 1-16 Black spots I-12 Poor fixing I-13 Image distortion 1-14 Faint print P 1-17 Black band LP 1-18 Gray background LP LP 1-19 Hollow print 1-20 Downward fogging of solid black 1-21 Horizontal lines 1-22 Light rain Fig. 6-30 1-23 Ghost 1-24 Toner specks 6-35