Minolta CF2002 Service Manual page 274

Section Step
Image 12 The problem is eliminated
→
Adjust Back
ground Volt-
age Margin
(Tech. Rep.
Mode)
Gradation 13 "Conv. Value" falls within the
Adjust (Tech.
Rep. Mode)
Image Adjust 14 The problem has been elim-
→
PRT Max
Density (Tech.
Rep.Mode)
Image Adjust 15 The problem has been elim-
→
PRT High-
light (Tech.
Rep. Mode)
Image Adjust 16 After the Reset + Stabilizer
→
Stabilizer
→
Reset +
Stabilizer
(Tech. Rep.
Mode)
17 The problem has been elim-
Check Item
after Background Voltage
Margin has been adjusted.
specified range as checked
through Gradation Adjust.
Max: 0 ±100
Highlight = 0 ±60
inated through the adjust of
PRT Max.
inated through the adjust of
PRT Highlight.
sequence has been com-
pleted, run Gradation
Adjust; if the problem per-
sists, make adjustments of
PRT Max Density and PRT
Highlight.
inated through the checks of
steps up to 16.
T-96
Result Action
NO Go to next step.
NO Go to step 17.
NO Go to next step.
NO Go to next step.
NO Go to next step.
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).