Table of Contents
Advertisement
5) Occurrence of error
• An error occurs when the LED display is not AA, but 70 to 78.
• Confirm that no abnormality (disconnection) exists in the internal wiring.
• Judge the cause of a failure from the LED display and perform adjustment and part replacement again.
(See the table shown below for the LED display contents and cause.)
• Execute calibration again.
Contents of LED display
Display
Measurement of offset level with the fluores-
60
cent lamp turned off
61
Stabilization wait of fluorescent lamp
A sheet is moved so that an adjustment pat-
62
tern (a horizontal line in the middle position)
is put in the shooting range of CCD.
Shutter fine-adjustment, black level adjust-
63
ment, read width, and read position detec-
tion
64
A sheet is moved to the non-written section.
The correction gain value of each dot is cal-
65
culated.
An adjustment pattern (a vertical line in the
66
middle position) is detected.
A sheet is rotated until a vertical line in the
67
middle position appears again.
68
Flash ROM write
Termination of flash ROM write (Normal ter-
AA
mination)
Cause of error
Display
• External light is input.
70
• The CCD Unit is defective.
• The fluorescent lamp does not light.
• The lens (CCD Unit) faces the different direction.
71
• The Main Board is defective.
• The CCD Unit is defective.
• No adjustment pattern is written.
• An adjustment pattern is not written in black.
72
• Stains exist in those other than an adjustment pattern.
• An adjustment pattern is not written in the prescribed position.
• The focus (CCD Unit) is out of adjustment.
73
• The marker is light in color.
• The sheet is dirty.
74
• Those other than an adjustment pattern are written.
• The sheet is dirty.
75
• The CCD Unit adjustment is defective.
76
• No adjustment (no vertical line in the middle position) is written.
• No adjustment pattern (no vertical line in the middle position) is written.
77
(This error does not usually occur.)
78
• The Main Board is defective.
6) Confirmation of printing
• Write anything on the whole plate surface (in the upper and lower rules) using all four-color markers.
• Make a copy and confirm that all written in the upper and lower rules is printed.
State
Display
70
Abnormal offset value
71
Stabilization error
72
Adjustment pattern search error
73
Adjustment failure
74
Non-written section search error
75
Gain correction error
76
Adjustment pattern search error
77
Adjustment pattern search error
78
Flash ROM write error
–
Cause of error
22
ADJUSTMENT
State
Advertisement
Table of Contents
