Equipment information
Hewlett Packard Color LaserJet 8550 HCI Module Printer
Manufacturer:
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Model:
Color LaserJet 8550 HCI Module
Date:
2000
Category:
Group:
Description:
HCI module
Manual Type:
Service Manual
Pages:
746
Size:
18.32 Mbytes (19211032 Bytes)
Language:
english
Revision:
1
Manual-ID:
C7834-90902
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2011 12 26
MD5:
c5ba2961f008212c54ff7b096c47f1aa
Downloads:
2016
Information
Contents
1 Product information
Chapter contents ... .21
Introduction ... .23
Copy module ... .23
Automatic document feeder (ADF) ... .28
Side high-capacity input (side HCI) ... .32
Model and serial numbers ... .35
Safety and regulatory information ... .35
2 Service approach
Chapter contents ... .37
Service approach overview ... .39
Parts and supplies ... .39
Ordering ... .40
Technical assistance ... .42
Warranty ... .46
3 Operational overview
Chapter contents ... .47
Control panel ... .49
Copy module functionality ... .51
Self-diagnostic messages ... .59
Service mode ... .60
4 Adjustments and maintenance
Chapter contents ... .117
Overview ... .119
MFP print engine adjustments ... .119
Copy module adjustments ... .121
ADF adjustments ... .140
Side HCI adjustments ... .159
Periodically replaced parts ... .163
Cleaning ... .164
Lubricating ... .174
5 Theory of operation
Chapter contents ... .175
Introduction ... .177
Notes on the power Switch ... .177
Copy module ... .178
ADF ... .244
Side HCI ... .304
6 Removal and replacement
Chapter contents ... .327
Required tools ... .331
Repair notices ... .332
Copy module ... .333
Automatic document feeder (ADF) ... .377
Side HCI ... .434
7 Troubleshooting
Chapter contents ... .455
System-to-device troubleshooting ... .457
Copy module troubleshooting ... .460
ADF troubleshooting ... .528
Side HCI troubleshooting ... .535
8 Parts and diagrams
Chapter contents ... .547
How to use this chapter ... .551
Printer parts unique to the HP Color LaserJet 8550MFP ... .552
Stand ... .555
Copy module ... .558
ADF ... .600
Side HCI ... .649
Numerical parts list ... .672
Alphabetical parts list ... .680