Table of contents
Product information.....................................................................................2
Edition notice...............................................................................................2
Notices and safety information..................................................................11
Laser notices............................................................................................................................................11
Safety.......................................................................................................................................................14
Preface.......................................................................................................19
Service manual conventions....................................................................................................................19
General information...................................................................................21
Media guidelines.....................................................................................................................................21
Paper guidelines ............................................................................................................................................... 21
Using recycled paper and other office papers ..................................................................................................23
Using specialty media ....................................................................................................................................... 24
Supported paper sizes, types, and weights ......................................................................................................26
Data security notice.................................................................................................................................28
Tools required for service........................................................................................................................28
Diagnostic information...............................................................................31
Troubleshooting overview.......................................................................................................................31
Performing the initial troubleshooting check ...................................................................................................31
Power‑on Reset (POR) sequence ......................................................................................................................31
Understanding the printer messages......................................................................................................32
Cartridge, imaging unit mismatch [41.xy].........................................................................................................32
Change [paper source] to [custom type name]. Load [orientation]. ................................................................32
Change [paper source] to [custom string]. Load [orientation]. ........................................................................32
Change [paper source] to [paper size]. Load [orientation]...............................................................................32
Change [paper source] to [paper type] [paper size]. Load [orientation]. .........................................................33
Close front door ................................................................................................................................................33
Complex page may misprint [39] ......................................................................................................................33
Defective flash memory [51] ............................................................................................................................ 33
Insert tray [x] ....................................................................................................................................................33
Load [paper source] with [custom type name] [orientation] ...........................................................................33
Load [paper source] with [custom string] [orientation] ...................................................................................34
Load [paper source] with [paper size] [orientation] .........................................................................................34
Load [paper source] with [paper type] [paper size] [orientation] ....................................................................34
Load MP feeder with [custom type name] [orientation]..................................................................................34
4514-420, -430
Table of contents
3