Error code Description Action
88 Toner cartridge low
1 Make sure the toner cartridge smart chip contact
cable JARW1 is properly connected to the
controller board.
2 Make sure the contacts are free of debris.
3 Check the contacts for damaged pins. If damaged,
replace the toner cartridge smart chip contact.
4 If the contacts are free of damage, contact your
next level of support.
Toner cartridge smart chip contact service check
Action Yes No
Step 1
Check the cable JARW1 for proper connection to the controller board.
Is it properly connected?
Go to step 2. Reseat the cable.
Step 2
Check the toner cartridge smart chip contact for damaged pins.
Is it free of damage?
Replace the controller
board. See “Controller
board removal” on
page 231.
Replace the toner
cartridge smart chip
contact. See “Toner
cartridge smart chip
contact removal” on
page 236.
Imaging unit smart chip contact service check
Action Yes No
Step 1
Check the cable JARW2 for proper connection to the controller board.
Is it properly connected?
Go to step 2. Reseat the cables.
Step 2
Check the imaging unit smart chip contact for damaged pins.
Is it free of damage?
Replace the controller
board. See “Controller
board removal” on
page 231.
Replace the printer.
7015
Diagnostic information
93
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