Image Defects; Image Defect Examples - Brother HL 1240 - B/W Laser Printer Service Manual

7.

IMAGE DEFECTS

7.1

Image Defect Examples

I-1 Light
I-6 Black vertical I-6 Black vertical
streaks
I-10 White horizontal
streaks
I-15 White spots
I-20Downward fogging
of solid black
I-2 Dark I-2 Dark I-3 Completely blank
I-7 Black horizontal
streaks stripes
I-11 Faulty
I-12 Poor fixing
registration
I-16 Black spots I-17 Black band
I-21 Horizontal lines
I-4 All black
I-8 Black vertical
streaks
I-13 Image distortion
I-18 Gray background
I-23 Ghost
I-22 Light rain
Fig. 6-5
6-23
CHAPTER 6 TROUBLESHOOTING
I-5 Dirt on back of paper
I-9 White vertical
streaks
o i n t p r s t t e u t o i n t P r o o t i n t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n i n t t p r p r s t s t t e t e u t u t o o i n t i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o t i n p r s t t e u t o i n t P r o o t t i n i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o t i n t i n p r p r s t s t t e t e u t u t o o i n t i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o i n t p r s t t e u t o i n t P r o o t i n t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n i n t t p r p r s t s t t e t e u t u t o o t t i n i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o i n t p r s t t e u t o i n t P r o o t i n i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n t t i n p r p r s t s t t e t e u t u t o o t t i n i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print out test print out test Print out test print o Print out test print o
o i n t p r s t t e u t o t i n P r o o i n t i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o t i n t i n p r p r s t s t t e t e u t u t o o i n i n t t p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print out test print out test Print out test print o Print out test print o
o i n t p r s t t e u t o t i n P r o o i n i n t t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n t i n t p r p r s t s t t e t e u t u t o o i n t i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o i n t p r s t t e u t o i n t P r o o t i n i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n t i n t p r p r s t s t t e t e u t u t o o t i n t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print out test print out test Print out test print o Print out test print o
o i n t p r s t t e u t o t i n P r o o i n t i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n i n t t p r p r s t s t t e t e u t u t o o i n t t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o t i n p r s t t e u t o i n t P r o o i n t i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n t i n t p r p r s t s t t e t e u t u t o o t i n i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o i n t p r s t t e u t o t i n P r o o i n t i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n t t i n p r p r s t s t t e t e u t u t o o t t i n i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o i n t p r s t t e u t o t i n P r o o t i n i n t p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o i n t i n t p r p r s t s t t e t e u t u t o o i n t t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o t i n p r s t t e u t o t i n P r o o i n t t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o t i n i n t p r p r s t s t t e t e u t u t o o t i n t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
o i n t p r s t t e u t o i n t P r o o t i n t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r s t s t t e t e u t u t o o t i n i n t p r p r s t s t t e t e u t u t o o t i n t i n p r p r s t s t t e t e u t u t o o t t i n i n P r P r Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o
I-14 Faint print
I-19 Hollow print
I-24 Toner specks