Canon NP-1015 Service Manual page 67

B. PRIMARY/TRANSFER CORONA
ASSEMBLY
1. Outline
The primary and transfer corona assem-
blies are located around the photosensitive
drum. The primary corona assembly has a
grid.
2. Disassembly/Reassembly
a. Removing the primary corona assembly
grid plate.
1) Remove the drum CARTRIDGE.
Note:
The photosensitive drum is adversely af-
fected by strong light, so blank areas or
black bands may occur if the drum is
exposed to strong light
for
a long period. Do
not, therefore, expose the drum to light.
2) Unscrew the two screws, then remove
the primary corona assembly from the
photosensitive drum.
OS crews
@ Primary corona
unit
Figure 4-46
b. Removing the guide wire/static charge
eliminator of the transfer corona
assembly.
1) Remove the transfer corona assembly
from the copier.
2) Unscrew the two screws, then pull the
static charge eliminator to separate it
from the guide wire.
@ Mounting screws
Figure 4-47
3) Remove the static charge eliminator.
@ Static charge eliminator
Figure 4-48
C. Attaching the corona wires of the
primary/transfer corona assembly.
1) Primary corona unit, remove the four
tension springs then remove the grid
plate, as shown in the figure.
@ Grid wire tension
@ Grid plate
Figure 4-49
COPYAIGHT 0 1900 CANON INC.
CANON NP-101511215S AN.0 OCT. 1980 PAINTEO IN JAPAN IIMPAIMf AU JAPONI
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