Paper trays
......................................................................................................................
123
Printing from Tray 1
.........................................................................................
123
Printing from Tray 2
.........................................................................................
123
Formatter system
.............................................................................................................
123
Sleep mode
.....................................................................................................
124
Resolution Enhancement technology
..............................................................
124
EconoMode
.....................................................................................................
124
Input/output
.....................................................................................................
125
USB
................................................................................................
125
Embedded print server
...................................................................
125
Expanded I/O
..................................................................................
125
Hard-disk accessory
.......................................................................
125
CPU
................................................................................................
125
Product memory
..............................................................................................
125
Read-only memory
.........................................................................
125
Random-access memory
................................................................
125
DIMM slot
.......................................................................................
125
Nonvolatile memory
........................................................................
126
Memory Enhancement technology
.................................................
126
PJL overview
...................................................................................................
126
PML
.................................................................................................................
126
Control panel
...................................................................................................
126
6
Removal and replacement
Removal and replacement strategy
.................................................................................................
128
Warnings, cautions, notes, and tips
.................................................................................
128
Electrostatic discharge
.....................................................................................................
128
Required tools
.................................................................................................................
129
Service approach
.............................................................................................................................
130
Before performing service
................................................................................................
130
After performing service
...................................................................................................
130
Post-service tests
............................................................................................................
131
Test 1 (print-quality test)
.................................................................................
131
Types of screws
...............................................................................................................
132
Parts removal order
.........................................................................................................
133
Product input trays and cabinet wheel locks
....................................................................
134
DC controller diagram
......................................................................................................
135
User-replaceable parts
....................................................................................................................
137
Print cartridge
..................................................................................................................
137
Memory DIMM
.................................................................................................................
139
Tray 2
...............................................................................................................................
140
Tray 2 separation, pickup, and feed rollers
......................................................................
141
Transfer roller
.................................................................................................................
143
ENWW
vii