Dead Printer Service Check - Lexmark C522 Service Manual

Models C53x only
Step Questions / actions
1 Has the printhead been recently replaced?

Dead printer service check

A dead printer is a condition where the display is blank, the LED on the operator panel is off, no fans turn, no
motors turn, and the fuser lamp does not come on.
If a 500-sheet option assembly (C52x models) or a 550-sheet option assembly (C53x models) is installed,
remove the option and check the base printer for correct operation. If the base printer operates correctly, replace
the 500-sheet option assembly.
Warning: Observe all necessary ESD precautions when removing and handling the system card or any
installed option cards or assemblies. See
CAUTION
When you see this symbol, there is a danger from hazardous voltage in the area of the product
where you are working. Unplug the product before you begin, or use caution if the product
must receive power in order to perform the task.
Remove any input and output paper handling options from the printer.
Step Questions / actions
1 Check the AC line voltage.
Is the line voltage correct?
2 Is the AC line cord damaged?
3 Check the system card for +5 V dc between
JLVPS1 pin 1 and ground.
Is the voltage correct?
4 Is the JLVPS1 cable correctly installed at
JLVPS1 on the system card?
5 Turn the printer off. Disconnect the JLVPS1
cable from the system card. Turn the printer
on, and measure the voltage between the
JLVPS1 cable pin 1 and the JLVPS1 pin 14
(black wire).
Does this measure approximately +5 V dc?
Yes
Replace the printhead with
a new, and not previously
installed smart chip card.
See "Printhead removal"
on page 4-74.
"Handling ESD-sensitive parts" on page
Yes
Go to step 2.
Replace the line cord.
Replace the system card.
See "System card
removal" on page 4-79.
Go to step 5.
Go to step 6.
5022-xxx
No
Replace the system card
with a new, and not
previously installed system
card. See "System card
removal" on page 4-79.
4-1.
No
Inform the customer.
Go to step 3.
Go to step 4.
Reseat the JLVPS1 cable.
Replace the LVPS. See
"Low voltage power
supply (LVPS) removal"
on page 4-65.
2-51
Diagnostic information