CHAPTER 1 MAINTENANCE AND INSPECTION
1-4
3 Periodical Servicing Procedure
1. As a rule, provide periodical servicing every 120,000 prints.
2. Before setting out on a scheduled visit, check the Service Book, and
take any parts that may require replacement.
As of June 2001
Work Procedure
1. Report to the person in charge, and check the general condition.
2. Record the counter reading, and check the faulty prints.
3. Make test prints, and check them for the following: (1) image density, (2) white back-
ground for soiling, (3) characters for clarity, (4) margin, (5) fixing, registration, and back
for soiling.
The margin must meet the following standards:
Leading edge: 2.5 ± 1.5 mm
Left edge:
2.5 ± 1.5 mm
Right edge:
0.5 mm or more
Trailing edge: 2.5 +1.1, -1.7 mm (smaller than B4)
<2.5 ± 2.0 mm>
3.5 +0.6, -2.8 mm (B4 or larger)
<3.5 ± 2.0 mm>
5.5 +1.5, -5.0 mm (free size)
< >: when the DADF-H1 picks up an original
(in stream readig mode).
4. Optical Unit
Clean the following using a blower brush to clean; if the dirt is excessive, use alcohol:
(1) No. 1/2/3 mirror, (2) original illuminating reflecting plate, (3) lens, (4) original size
sensor.
5. Scanner Drive System
(1) Scanner cable; check the tension, and adjust as necessary. Inspect and adjust the scan-
ner cable only when the machine has made the first 250,000 prints.
(2) Scanner rail; clean the slide area, and apply silicone oil (FY9-6011).
