Konica Minolta drypro 832 Service Manual page 401

Phenomenon
SMPTE test pattern does not print
1. Densitometer pattern can be
printed, but it does not print if the
setting is No Select
2. The densitometer pattern can be
printed, but it does not print if the
settings are Ch1~Ch4
DICOM image does not printed
1. SMPTE pattern can be printed, but
only the specified SCU cannot be
printed (check the log for the
occurrence date)
2. SMPTE pattern can be printed, but
nothing is printed from all SCU
(check the log of the occurrence
date)
Images is slanted
The image is out of spec if it slants
more than 1mm in the 17-inch
direction for 356mm × 432mm size
images.
QC pattern does not printed
The QC pattern can be printed, but
the DICOM image does not print
Curl trouble
Phenomenon
Curl
The front and back of the film raise more
than 25mm when attached to the light
box
Scratched film trouble
Phenomenon
Transport direction scratches
appear at set locations on the BC
surface
Transport direction scratches
appear at random on the BC
surface
Scratch on the EC surface
Contaminated film trouble
Phenomenon
Adherence of a lot of powdery
white dirt, or many scrape marks
Cause
1. Internal file error
2. Mistakes in the Dmax, Dmin settings,
or mistakes in the LUT settings
1. Malfunction in DICOM parameters or
image
2. DICOM input process fail completed
1. Position regulation unit malfunction
2. Poor installation of the standard guide
(pin)
3. Malfunction of separating prongs
4. Bad settings for the supply tray film
size
Internal file malfunction
DICOM parameter or image malfunction Switch the power supply OFF/ON.
Cause
1. Cooling malfunction
2. HPRO guide malfunction
Cause
1. Scratches or protrusions on the HPRO
guide surface
2. Position regulation roller fault
1. Dust on the HPRO guide
2. Dust on the exposure guide
1. Faulty rotation of the opposed roller
2. Peeling of HPRO rack insulating
material
Cause
Transfer of dirt adhering to the opposing
rollers
Chapter 17 Troubleshooting
Solution
1. Cold start, or switch the power supply
OFF/ON.
If this does not resolve the problem,
update the software, or replace the
compact flash (CF).
2. Set Dmax=3.00, Dmin=0.20,
Lut=liner, and check the settings.
1. Refer to the error code table, and
check whether the DICOM pattern
sent from the SCU is correct.
2. Cold start, or switch the power supply
OFF/ON.
If this does not resolve the problem,
update the software, or replace the
compact flash (CF).
1. Replace the position regulation unit
2. If only 2ch images slant, replace the
outlet light shield unit assembly (1ch).
If both 1ch and 2ch images slant,
replace the standard guide of the
position regulation unit.
3. Replace the separation prong section
4. Check the film size settings
Switch the power supply OFF/ON.
If this does not resolve the problem,
update the software, or replace the
compact flash (CF).
If this does not resolve the problem,
update the software, or replace the
compact flash (CF).
Solution
1. Check the operation of the cooling
section fan
2. Replace HPRO unit
Solution
1. Replace the HPRO unit
2. Clean or replace the position
regulation roller
1. Print a number of sheets, and there is
no problem if the scratches do not
appear at the same place.
2. Clean the exposure guide
Replace HPRO rack
Solution
Clean the heat process unit
17-13