Index-4
T
testing, engine 7-11
thermistor 7-102
timing diagrams 7-110
toner
cleaning spilled 4-4
consumption 1-28
toner cartridge 2-9, 5-22, 5-24
detection 5-5
recycling 2-9
refilled 2-9
Toner Cartridge Drive Arm, removing and replacing
6-9
tools 6-3
Top Cover
Assembly 8-12
removing and replacing 6-7
top margin adjustment 6-46
training media 2-4
Transfer Roller, removing and replacing 6-26
transparencies 1-19
Tray 1
Assembly 8-28
paper sensor 5-36
Pickup Assembly 8-26
printing from 5-36
removing and replacing 6-15
Tray 1 Pickup Assembly, removing and replacing
6-29
Tray 1 Pickup Roller, removing and replacing 6-27
Tray 2 5-38
troubleshooting
Configuration Page 7-51
display 7-12
engine test 7-11
Event Log 7-13
flowchart 7-4
image system 7-74
information pages 7-48
interface 7-77
paper path troubleshooting 7-45
power on 7-7
preliminary operating checks 7-6
printer messages 7-17
printing system 7-6
troubleshooting process 7-2
250-sheet tray, paper specifications 1-13
V
variable fusing temperature 5-32
W
warranty statement 2-10
weight, paper
250-sheet tray 1-13
500-sheet tray 1-12, 1-14
For more information on the LaserJet 4000 / 4050 Visit www.PrinterSupplies.com 800-551-1943
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