T
echnical
B
ulletin
PAGE: 2/3
Model:
Aries-P1.5/C1.5, AG-P1/C1, AGL-P1/C1
Date:
29-Nov-13
No.:
RM077098
What are the major problems caused by toner degradation?
Developer will last for its prescribed PM yield of 1200Kp.
Do not replace the developer when encountering the following problems as these
problems are caused by toner degradation, not developer degradation.
Symptom
Cause
Solution
RTB
a) Scratched
image
z
Change in the charge applied
to the toner affects the
development capacity and
transferability.
z
Toner transfer conditions for
LE and TE are set incorrectly.
z
Replace with fresh toner.
z
Optimize the paper
settings with Advanced
setting in Paper Library
z
RM077077b
z
RM077032a
b) Uneven
density
z
Change in the charge applied
to the toner affects the
development capacity and
transferability.
z
Replace with fresh toner.
z
User adjustment #0220
Adjust Density
Difference Across Feed
Direction
z
RM077077b
z
Adjustment
Settings for
Skilled
Operators
c) Mottled
effect
z
Transferability reduces under
the following conditions:
- Printing in FC following a
long B/W job
- Paper conditions
z
Replace with fresh toner
for C,M,Y
z
Use a different paper
z
Optimize controller
settings
z
RM077077b
z
RM077095
d) Toner
scattering
z
Low toner fluidity in the
development unit (= high
toner concentration) disables
the sensor to properly detect
the toner amount.
* Incorrect initial developer
installation is also a possible
cause.
z
Confirm proper
developer replacement
z
Replace with fresh toner
z
RM077072c
z
RM077077b
e) Clogged
doctor gap
z
Low toner fluidity in the
development unit (= high
toner concentration) causes
toner clumps to form that clog
the doctor gap.
z
Clean the doctor gap
z
Remove toner clumps
z
RM077031b
Содержание pro c901
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