Muratec F-116 - Manual (Page 93)

Alignment and Troubleshooting
4-33
7) Uneven Density
Description : Print Density is uneven between left and right.
3. The toner level is not even on
the toner cartridge roller due to the
bad blade.
2. The life of the Toner cartridge
has expired.
1. The pressure force
on the left and right springs of the
transfer roller is not even, the springs are
damaged, the transfer roller is improperly
installed, or the transfer roller
bushing or holder is
damaged.
Replace both the left and right
Spring Holder.
Occur in the toner cartridge gently
shake the toner cartridge.
Replace the toner cartridge and
try to print out.