Diagnostic information 2-197
7510
K PC cartridge exhausted
<Color> toner cartridge nearly empty
2
Replace the K PC cartridge.
Does the error remain?
Go to step 3. Problem solved.
3
Perform a POR.
Does the error remain when the power is turned off/on
again?
Replace the upper
printer engine card
assembly.
Go to “Upper
printer engine
card assembly
removal” on
page 4-77.
Problem solved.
Step Check Yes No
1 Check the K PC cartridge.
Is the above component properly installed?
Go to step 2. Reinstall the K PC
cartridge.
Go to “PC
cartridge unit
removal” on
page 4-44.
2
Replace the K PC cartridge.
Does the error remain?
Go to step 3. Problem solved.
3
Perform a POR.
Does the error remain when the power is turned off/on
again?
Replace the upper
printer engine card
assembly.
Go to “Upper
printer engine
card assembly
removal” on
page 4-77.
Problem solved.
Step Check Yes No
1 Check the appropriate toner cartridge.
Does the appropriate toner cartridge contain toner?
Go to step 2. Replace the toner
cartridge.
2
Check the appropriate toner cartridge for proper installation.
Is the appropriate above component properly installed?
Go to step 3. Reinstall the
appropriate toner
cartridge.
3
Check the gear rotation in the appropriate toner add
assembly.
Does the gear, located at the lower part of the above
component rotate smoothly?
Go to step 4. Replace the
appropriate toner
add assembly.
Go to “CMY toner
add assembly
removal” on
page 4-47 or “K
toner add
assembly
removal” on
page 4-48.
Step Check Yes No
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