Lexmark C520 Service Manual - Page 207
Printhead removal
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5022-xxx Printhead removal See "Printhead assembly, C52x" on page 7-9 or "Printhead assembly, C53x" on page 7-9 for the part number. Warning: When replacing any one of the following components: • Operator panel assembly • System card • Smart chip card (C52x) or printhead assembly (C53x) Only replace one component at a time. Replace the required component, and perform a POR before replacing a second component listed above. If this procedure is not followed, the printer will be rendered inoperable. 1. Remove the toner cartridges. 2. Remove the exit tray cover. See "Exit tray cover removal" on page 4-15. 3. Disconnect the transfer belt cable (A). 4. Press the two tabs (B) on either side of the transfer belt assembly, and lift out the transfer belt assembly. Note: Leave the photoconductor units on the transport belt when removing. Warning: To avoid damaging the photoconductor drum, hold the photoconductor units by their handle and place the photoconductor units on a clean surface. Never expose the photoconductor units to light for a prolonged period of time. See "Handing the photoconductor unit" on page 4-2 for additional information. C52x C53x A B A B 5. Remove the system card support shield. See "System card support shield removal" on page 4-81. 6. Remove the fuser cable cover. See "Fuser cable cover removal" on page 4-61. 4-74 Service Manual