Install the print cartridge
....................................................................................................
21
3
Maintenance
Manage supplies
................................................................................................................................
24
Life expectancies of supplies
.............................................................................................
24
Check and order supplies
..................................................................................................
24
Store supplies
....................................................................................................................
24
Replace supplies
...............................................................................................................
25
Print cartridge
....................................................................................................
25
HP policy on non-HP supplies
...........................................................................................
26
HP fraud hotline
.................................................................................................................
27
Clean the product
...............................................................................................................................
28
Clean the exterior
..............................................................................................................
28
Clean the flatbed scanner glass
........................................................................................
28
Clean the lid backing
.........................................................................................................
28
Clean the paper path
.........................................................................................................
29
Management tools
..............................................................................................................................
30
Information pages
..............................................................................................................
30
Embedded Web server
......................................................................................................
30
Features
............................................................................................................
31
4
Operational theory
Basic operation
...................................................................................................................................
34
Sequence of operation for the base unit
............................................................................
34
Scanner functions and operation
........................................................................................................
36
Scanner functions
.............................................................................................................
36
Scanner operation
.............................................................................................................
37
Internal components (base unit)
.........................................................................................................
38
Engine control system
........................................................................................................................
39
Laser/scanner system
........................................................................................................................
41
Pickup/feed/delivery system
...............................................................................................................
42
Image-formation system
....................................................................................................................
43
5
Removal and replacement
Removal and replacement strategy
....................................................................................................
48
Introduction
........................................................................................................................
48
Removal and replacement warnings, cautions, notes, and tips
........................
48
Electrostatic discharge
......................................................................................
49
Required tools
...................................................................................................
49
Before performing service
.................................................................................................
49
After performing service
.....................................................................................................
50
Post-service tests
..............................................................................................................
51
Test 1 (print-quality test)
...................................................................................
51
Test 2 (copy-quality test)
...................................................................................
51
Parts removal order
...........................................................................................................
52
Scanner assembly
..............................................................................................................................
53
Link assemblies and scanner support-frame spring
..........................................................
53
Scanner lid
.........................................................................................................................
56
Control-panel overlay
.........................................................................................................
57
iv
ENWW