Lexmark Optra S 1620 Manual

Preventive Maintenance6-1
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6.Preventive Maintenance
This chapter describes procedures for printer preventive mainte-
nance. Following these recommendations can help prevent prob-
lems and maintain optimum performance.
Safety Inspection Guide
The purpose of this inspection guide is to aid you in identifying
unsafe conditions.
If any unsafe conditions exist, find out how serious the hazard could
be and if you can continue before you correct the hazard.
Check the following items:
•Damaged, missing,...

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Scheduled Maintenance (2420/2450/2455/3455)
The operator panel displays the message “80 Scheduled
Maintenance” at each 250K page count interval. It is necessary to
replace the fuser assembly, transfer roller, compensator pick-rolls
and charge roll at this interval to maintain the print quality and
reliability of the printer. The parts are available as a maintenance kit
with the following part numbers:
99A0290 - 100V/750W 2450
99A0500 - 115V/750W 2420/2450/2455
99A0503 -...

Parts Catalog7-1
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7.Parts Catalog
How To Use This Parts Catalog
•
SIMILAR ASSEMBLIES: If two assemblies contain a majority of
identical parts, they are shown on the same list. Common parts
are shown by one index number. Parts peculiar to one or the
other of the assemblies are listed separately and identified by
description.
•AR: (As Required) in the Units column indicates that the
quantity is not the same for all machines.
•CC: (Color Code) in the Description column indicates the part is...

7-24059 Service Manual
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Assembly 1: Covers 

Parts Catalog7-3
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Asm-
IndexPart
NumberUnits Description
1-1 99A0553 1 Support, Paper
1-2 99A0463 1 Spacer, Front 2450/2455/3455
1-2 99A0464 1 Spacer, Front
1620/1650/2420/1250/1255/1855/1625
1-3 99A0016 1 Cover, Fuser Wick Assembly
1-4 99A0004 1 Spring, Latch
NS 3 Screw, Right Side Cvr Mtg PP 99A0263
1-5 99A0011 1 Cover, RIght Side
1250/1620/1650/2420/1855/1625
1-5 99A0012 1 Cover, Right Side 2450/2455/3455
1-6 99A0008 1 Hinge, Upper Front Cover
1-7 99A0007 1 Label, TLI/ID/Serial No. - Blank
1-8...

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Assembly 1: Covers (continued) 

Parts Catalog7-5
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Asm-
IndexPart
NumberUnits Description
1-12 99A0001 1 Operator Panel Assembly
1-13 99A0009 1 Cover, Left Side
1250/1255/1620/1650/2420/1855/1625
1-13 99A0010 1 Cover, Left Side 2450/2455/3455
NS 5 Screw, Left Side Cvr Mtg PP 99A0263
1-14 99A0017 1 Door, Left Panel 1650/1855/2420
1-14 99A0019 1 Door, Left Panel 1250/1255/1620/1625
1-14 99A0018 1 Door, Left Panel 2450/2455/3455
1-15 99A0296 1 Switch, Cover Open w/Operator Panel Cable
Assembly
1-16 99A0003 1 Latch, Upper Cover
1-17...

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Assembly 2: Frame 

Parts Catalog7-7
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Asm-
IndexPart
NumberUnits Description
2-1 99A0425 1 Support, Cross Brace
2-2 99A0463 1 Spacer, Front 2450/2455/3455
2-2 99A0464 1 Spacer, Front
1250/1255/1620/1650/2420/1855/1625
2-3 99A0033 1 Duct, Left Stacker 2450/2455/3455
2-3 99A0034 1 Duct, Left Stacker
1250/1620/1650/2420/1855/1625
2-4 99A0867 1 Duct, Main Body
2-5 99A0551 1 Support, Left Lower Stacker
2-6 99A0114 1 Duct, LVPS Left Side
2-7 99A0113 1 Pan, Drip ITC
2-8 99A0045 2 Latch, Cartridge Assembly
2-9 99A0039 2...

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Assembly 2: Frame (continued)