Service manual

FrameMaker Ver5.5E(PC) CF3102/CF2002 TROUBLESHOOTING
02.06.13
T- 9 6
Image
Adjust
Back
ground Volt-
age Margin
(Tech. Rep.
Mode)
12 The problem is eliminated
after Background Voltage
Margin has been adjusted.
NO Go to next step.
Gradation
Adjust (Tech.
Rep. Mode)
13 Conv. Value falls within the
specified range as checked
through Gradation Adjust.
Max: 0 ±100
Highlight = 0 ±60
NO Go to step 17.
Image Adjust
PRT Max
Density (Tech.
Rep.Mode)
14 The problem has been elim-
inated through the adjust of
PRT Max.
NO Go to next step.
Image Adjust
PRT High-
light (Tech.
Rep. Mode)
15 The problem has been elim-
inated through the adjust of
PRT Highlight.
NO Go to next step.
Image Adjust
Stabilizer
Reset +
Stabilizer
(Tech. Rep.
Mode)
16 After the Reset + Stabilizer
sequence has been com-
pleted, run Gradation
Adjust; if the problem per-
sists, make adjustments of
PRT Max Density and PRT
Highlight.
NO Go to next step.
17 The problem has been elim-
inated through the checks of
steps up to 16.
NO Change IU.
Change LPH Assy.
Change PIC Board.
Change LED Drive Board.
Change LPH Unit.
Change High Voltage Unit
(Developing Bias).
Change High Voltage Unit
(Image Transfer, Neutralizing).
Section Step Check Item Result Action