Main Drive Motor Control Jam Service Check - Konica Minolta Bizhub 4700P Service Manual

Main drive motor control jam service check

Action
Step 1
1. Remove the main drive gearbox.
2. Check the main drive gearbox cable for proper
connection.
Is it properly connected?
Step 2
1. Remove the main drive gearbox.
2. Check the gears of main drive gearbox for wear or
damage.
Are they free of wear or damage?
Step 3
Check the main drive motor for proper operation:
1. Remove the main drive gearbox.
Note: Do not disconnect the main drive gearbox
cable.
2. POR into the Diagnostics menu and perform a
feed test:
Diagnostics menu >Input Tray Tests >Feed
Test > Select any input source
3. Check if the main drive motor rotates when doing
the feed test.
Does it rotate when doing the feed test?
Step 4
Check the fuser gear for damage or toner
contamination.
Is it free of damage and contamination?
bizhub 4700P/bizhub 4000P Service Manual
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Yes
Go to step 2.
Go to step 3.
Go to step 4.
Replace the controller
board. See Controller
board removals.
No
Reseat the cable.
Replace the main drive
gearbox. See Main drive
gearbox removal.
Replace the main drive
gearbox. See Main drive
gearbox removal.
Replace the fuser. See
Fuser removal.