Low Density (Lowered Id - Minolta magicolor 7300 Service Manual

FrameMaker Ver.6E (PC) magicolor 7300 TROUBLESHOOTING
02.08.08
(5)

Low Density (lowered ID)

<Troubleshooting Procedure>
Section Step
PU 1 Dirty on the outside.
PH Unit 2 The surface of the window
is dirty.
Transfer 3 Transfer Belt Unit makes
Belt Unit positive contact with plates
on rails.
4 Terminal is dirty.
Paper 5 Paper is damp.
AIDC 6 Sensor is dirty.
Sensor
7 The problem has been
eliminated through the
checks of steps up to 7.
<Typical Faulty Images>
4011T003AA
Check Item Result
YES Clean.
YES Clean.
NO
YES Clean.
YES Change paper to one just
YES Clean.
NO
T-47
Action
D-32DISASSEMBLY/REAS-
SEMBLY
Check and correct contacts.
unwrapped from its package.
D-32DISASSEMBLY/REAS-
SEMBLY
Change the PU.
Replacing the Transfer Belt Unit.
Replacing the PH unit.
→ Replace AIDC sensor.
→ Replace the PWB-Aboard.
→ Replacing High Pressure Unit
1.
→ Replacing High Pressure Unit
2.