HP 3500cp Service Manual - Page 245

Care should be taken while performing the following, procedure

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Installation WARNING Care should be taken while performing the following procedure, the encoder strip (item 6) has sharp edges and could cause injury. Caution: To prevent damage to the encoder strip, hold it at the ends only. Caution: When installing the encoder strip ensure that the transparent side is underneath. 1. Install the two nuts and two washers (items 11) securing the encoder grounding (item 12) to the encoder spring (item 9). Note: Working from the rear of the printer. 2. Install the encoder spring (item 9) into the YĆaxis motor assembly (item 4) by sliding it onto a retaining pin (item 10). 3. Route the encoder strip (item 7) through the encoder sensor in the carriage assembly. Install the encoder strip roof. 4. Install the left side of the encoder strip onto the retaining pin (item 6) on the YĆaxis tensioner holder (item 8), then secure with a TĆ15 screw (item 5). 5. Install two TĆ15 screws (item 2) through the grounding bridge (item 3). 6. Secure the magnetic core (item 1) to the encoder grounding with a cable tie. 7. Manually slide the carriage assembly along the printer. Check the encoder strip does not touch the encoder sensor in the carriage assembly. 8. Install the following: 1. Left Hand Cover ' page 8Ć18. 2. Right Hand Cover ' page 8Ć21. 3. Top Cover and Window ' page 8Ć15. 9. Install the power cable and turn the printer on in service mode. 10.Perform the D03 carriage axis (YĆaxis) service test ' page 4Ć11. Removal and Installation HP DesignJet CP Series Printers 8-33

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Removal and Installation
8-33
HP DesignJet CP Series Printers
Installation
WARNING
Care should be taken while performing the following
procedure, the encoder strip (item 6) has sharp edges
and could cause injury.
Caution: To prevent damage to the encoder strip, hold it at the
ends only.
Caution: When installing the encoder strip ensure that the
transparent side is underneath.
1.
I&sta$$ t!e tw’ &uts a&d tw’ was!ers ("te%s 11) secur"&° t!e e&c’der
°r’u&d"&° ("te% 12) t’ t!e e&c’der s±r"&° ("te% 9).
Note: Working from the rear of the printer.
2.
I&sta$$ t!e e&c’der s±r"&° ("te% 9) "&t’ t!e Y²ax"s %’t’r asse%b$0 ("te% 4)
b0 s$"d"&° "t ’&t’ a reta"&"&° ±"& ("te% 1³).
3.
R’ute t!e e&c’der str"± ("te% 7) t!r’u°! t!e e&c’der se&s’r "& t!e
carr"a°e asse%b$0. I&sta$$ t!e e&c’der str"± r’’f.
4.
I&sta$$ t!e $eft s"de ’f t!e e&c’der str"± ’&t’ t!e reta"&"&° ±"& ("te% 6) ’&
t!e Y²ax"s te&s"’&er !’$der ("te% 8), t!e& secure w"t! a T²15 screw ("te% 5).
5.
I&sta$$ tw’ T²15 screws ("te% 2) t!r’u°! t!e °r’u&d"&° br"d°e ("te% 3).
6.
Secure t!e %a°&et"c c’re ("te% 1) t’ t!e e&c’der °r’u&d"&° w"t! a cab$e
t"e.
7.
Ma&ua$$0 s$"de t!e carr"a°e asse%b$0 a$’&° t!e ±r"&ter. C!ec# t!e e&c’der
str"± d’es &’t t’uc! t!e e&c’der se&s’r "& t!e carr"a°e asse%b$0.
8.
I&sta$$ t!e f’$$’w"&°:
1. Left Hand Cover
'
page 8Ć18.
2. Right Hand Cover
'
page 8Ć21.
3. Top Cover and Window
'
page 8Ć15.
9.
I&sta$$ t!e ±’wer cab$e a&d tur& t!e ±r"&ter ’& "& serv"ce %’de.
10.
Perf’r% t!e D³3 carr"a°e ax"s (Y²ax"s) serv"ce test
'
±a°e 4²11.