Repair information
• “Removal precautions” on page 263
• “Adjustments” on page 264
• “Removal procedures” on page 270
• “Left side removals” on page 270
• “Right side removals” on page 287
• “Front side removals” on page 297
• “Bottom side removals” on page 316
• “Rear side removals” on page 324
• “Top side removals” on page 332
• “MPF cam gear removal” on page 337
• “T652, T654, and T656 redrive motor assembly removal” on page 338
• “Sensor (duplex input) removal (T652, T654, T656)” on page 340
• “Sensor (standard bin exit) removal ” on page 341
• “Sensor (toner density) removal ” on page 341
• “Standard bin actuator assembly removal ” on page 341
• “Tray roller catch assembly removal” on page 342
• “5-bin mailbox removals” on page 343
• “250-sheet option tray removals” on page 359
• “550-sheet option tray removals” on page 364
• “High capacity input tray (HCIT) removals” on page 372
• “High capacity stacker removals” on page 389
• “Other removals” on page 402
• “Output expander removals” on page 420
• “SFP stapler assembly removals” on page 431
Removal precautions
CAUTION—SHOCK HAZARD: For personal safety and to prevent damage to the printer, remove the
power cord from the electrical outlet before you connect or disconnect any cable, electronic board, or
assembly. Disconnect any connections between the printer and the PCs/peripherals.
Handling ESD‑sensitive parts
Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent
damage to ESD-sensitive parts, do the following:
• Turn o the printer before removing logic boards.
• Keep the parts in their original packing material until you are ready to install them into the printer.
• Make the least-possible movements with your body to prevent an increase of static electricity from clothing
fibers,
carpets, and furniture.
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Repair information
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