Tray 1 pick/lift motor gearbox service check
Action Yes No
Step 1
a Remove Tray 1.
b Check the lift plate and gears for proper operation by moving the metal
plate.
Do the lift plate and gears move freely, and are they free of wear or
damage?
Go to step 2. Replace the tray insert.
Step 2
Check the pick/lift motor gearbox for the following:
• Gear tooth breakage
• Freedom of rotation
Is it free of wear or damage?
Go to step 3. Replace the pick/lift
motor gearbox. See
“Pick/Lift motor
gearbox removal” on
page 239.
Step 3
Check the cable JLIFT1 on the controller board.
Is it properly connected and free of damage?
Go to step 4. Replace the pick/lift
motor gearbox. See
“Pick/Lift motor
gearbox removal” on
page 239.
Step 4
Replace the controller board.
Does this fix the problem?
The problem is solved. Contact the next level
of support.
171.xx Cooling fan service check
Action Yes No
Step 1
a Make sure that the cable JFAN1 is properly connected to the controller
board.
b Check if the cooling fan is rotating properly.
Is it rotating properly?
Go to step 2. Replace the cooling
fan. See “Cooling fan
removals” on
page 180.
Step 2
a Turn off the printer, and disconnect JFAN1 from the controller board.
b Turn on the printer, and measure the voltage across JFAN1.
Is the voltage approximately 24 V?
Go to step 3. Replace the controller
board. See “Controller
board removals” on
page 184.
Step 3
Is the fan idle?
Replace the cooling
fan. See “Cooling fan
removals” on
page 180.
The problem is solved.
4514-630, -635, -636
Diagnostic information
95
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