HP 8550 Service Manual - Page 530
ADF troubleshooting, Fault isolation
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ADF troubleshooting Note Fault isolation ADF service involves whole-unit exchange, but only after the following procedures have been performed, if necessary: l Replace parts. The only replaceable part on the ADF is the feeding belt (FC1-7815-020CN). See "Removing the feeding belt" on page 431. l Clean. See "Cleaning ADF parts" on page 167. l Calibrate and adjust. See "ADF adjustments" on page 140. When a new ADF is installed, it must be calibrated and adjusted. See "ADF adjustments" on page 140. Many of these calibrations can also be performed from Service Mode on the copy module. These procedures are also documented in the ADF installation guide that ships with the new ADF. 528 Chapter 7 - Troubleshooting EN
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528
Chapter 7 - Troubleshooting
EN
ADF troubleshooting
Fault isolation
ADF service involves whole-unit exchange, but only after the
following procedures have been performed, if necessary:
l
Replace parts
. The only replaceable part on the ADF is the
feeding belt (FC1-7815-020CN). See “Removing the feeding belt”
on page 431.
l
Clean
. See “Cleaning ADF parts” on page 167.
l
Calibrate and adjust
. See “ADF adjustments” on page 140.
When a new ADF is installed, it must be calibrated and adjusted. See
“ADF adjustments” on page 140.
Note
Many of these calibrations can also be performed from Service Mode
on the copy module.
These procedures are also documented in the ADF installation guide
that ships with the new ADF.