Diagnostic information 2-61
5061
2
Check the TMC pin (B) in the magenta cartridge
contact assembly to make sure it moves freely.
Does the pin move freely?
Go to step 3 Replace the
cartridge contact
assembly. See
“Cartridge
contact
assembly
removal” on
page 4-35.
3
Go to the “BASE SENSOR TEST” on page 3-24, and
check the magenta TMC sensor. When you press the
TMC pin in the magenta cartridge contact assembly,
make sure it actuates the TMC switch on the developer
HVPS. When the TMC pin is pressed in, you hear a
click when the switch actuates. Check for mechanical
interference between the contact block and the
developer HVPS.
Note: You may need to turn the printer off to hear the
click.
Does the magenta TMC switch on the developer HVPS
board actuate properly when the TMC pin is pressed?
Replace the
cartridge.
Go to step 4
4
Check the developer HVPS board to make sure it is not
cracked or broken.
Is the developer HVPS cracked or broken?
Go to step 6 Go to step 5
5
Check the mounting of the developer HVPS. Make
sure the screws that mount the power supply are
properly tightened down and the board is positioned
and mounted correctly.
Is the developer HVPS mounted correctly?
Replace the
developer HPVS.
See “Developer
HVPS board
removal” on
page 4-39.
If the board is
incorrectly
installed, install it
correctly. Make
sure all the
mounting screws
are tightened
down. Recheck
the printer to see
if a 941 Error is
still displayed.
6
Make sure the developer HVPS cable is correctly
installed on the developer board assembly.
Is the cable correctly installed?
Go to step 7 Correctly connect
the cable.
7
Make sure the developer HVPS cable is correctly
installed at J6 on the system board.
Is the cable properly installed?
Go to step 8 Correctly connect
the cable.
8
Check the voltage at connector J6-6 on the system
board while pressing the magenta TMC pin in the
cartridge contact assembly.
Does the voltage change when the pin is pressed?
Replace the
system board.
See “System
board removal”
on page 4-90.
Go to step 9
Step Actions and questions Yes No
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