Ricoh Pro C901 Technical Bulletin page 489

Reissued:21-Apr-14
Model:
Aries-P1.5/C1.5
No.2 Shock-jitter at
OPC
No.3 PTR vibration
due to Shock at
Fusing Unit
Entrance
No.4 Banding at
85mm TE
(Shock at PTR
when paper
exits PTR)
No.5 1.8mm Pitch
Banding
No.6 2.5mm Pitch
Banding
No.7 5mm Pitch
Banding
No.8 10mm Pitch
Banding
No.9 56mm Pitch
Banding
No.10 8mm Pitch
Banding
echnical
T B
Actions for No.1 & No.2 to
be performed as a set.
(See actions described for
No.1.)
1. Adjust the paper feeding
speed to +/- 0.2% against
the current speed.
2. Adjust the paper transfer
current to -10uA.
3. Apply paper with grain in
cross direction
1. Adjust the paper feed
speed to +/- 0.2% against
the current speed.
1. Change the dither pattern
to Dot
1. Change the dither pattern
to Line
1. Reduce the paper feed
speed to -0.1% or -0.2%
from the current speed.
Remove the modified fly
wheel.
Replace the drum cleaning
unit.
Replace the developer gear
assembly.
ulletin
Date:
10-Mar-14
 Low productivity
 Possible Banding at
85mm TE (No.4)
 Possible 5mm pitch
banding (No.7)
 Possible change in
image length
 White spots could
appear
 Possible Shock-jitter
at PTR (No.3)
 Possible 5mm pitch
banding (No.7)
 Possible change in
image length
 Possible density
unevenness
 Possible Moire
 Possible 1.8mm pitch
banding
 Possible Banding at
85mm TE (No.4)
 Possible change in
image length
 Possible shock-jitter
at OPC (No.2)
None
None
PAGE: 37/75
No.:
RM077107b