The Causes And Solutions Of Bad Images; Vertical Black Line And Band; Vertical White Line - Ricoh G186 Service Manual

The causes and solutions of Bad images

4.2 THE CAUSES AND SOLUTIONS OF BAD IMAGES

4.2.1 VERTICAL BLACK LINE AND BAND

Description:
1. Straight thin black vertical lines occur in the printing.
2. Dark black vertical band occurs in the printing.
Check and Cause
1. Deformed Doctor-blade or
cleaning-blade, in print cartridge
2. Scratched surface of the charge roller
in the print cartridge.
3. Partial depression or deformation on
the surface of the transfer roller.

4.2.2 VERTICAL WHITE LINE

G186
Solution
1. If causes one or two occur in the print
cartridge, replace the print cartridge
and try to print.
2. Replace the transfer roller if this occurs
as No. three.
4-2 SM