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    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_5B30AD2A3505EC189E352973DB8E8895_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems_5B30AD2A3505EC189E352973DB8E8895" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_5B30AD2A3505EC189E352973DB8E8895_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems_5B30AD2A3505EC189E352973DB8E8895" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_5B30AD2A3505EC189E352973DB8E8895" xlink:type="locator" />
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    <link:label id="lab_cmpr_Liabilityequityawardfairvalue_D6A7231ED694E45C89552973DB8EADA9_terseLabel_en-US" xlink:label="lab_cmpr_Liabilityequityawardfairvalue_D6A7231ED694E45C89552973DB8EADA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liability equity award, fair value</link:label>
    <link:label id="lab_cmpr_Liabilityequityawardfairvalue_D6A7231ED694E45C89552973DB8EADA9_label_en-US" xlink:label="lab_cmpr_Liabilityequityawardfairvalue_D6A7231ED694E45C89552973DB8EADA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability equity award, fair value</link:label>
    <link:label id="lab_cmpr_Liabilityequityawardfairvalue_D6A7231ED694E45C89552973DB8EADA9_documentation_en-US" xlink:label="lab_cmpr_Liabilityequityawardfairvalue_D6A7231ED694E45C89552973DB8EADA9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liability equity award, fair value</link:label>
    <link:loc xlink:href="cmpr-20171231.xsd#cmpr_Liabilityequityawardfairvalue" xlink:label="loc_cmpr_Liabilityequityawardfairvalue_D6A7231ED694E45C89552973DB8EADA9" xlink:type="locator" />
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    <link:label id="lab_cmpr_Liabilityequityawardexpenserecognizedduringperiod_BF233A15B7DEE8FC2A812973DB8E393D_terseLabel_en-US" xlink:label="lab_cmpr_Liabilityequityawardexpenserecognizedduringperiod_BF233A15B7DEE8FC2A812973DB8E393D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liability equity award, expense recognized during period</link:label>
    <link:label id="lab_cmpr_Liabilityequityawardexpenserecognizedduringperiod_BF233A15B7DEE8FC2A812973DB8E393D_label_en-US" xlink:label="lab_cmpr_Liabilityequityawardexpenserecognizedduringperiod_BF233A15B7DEE8FC2A812973DB8E393D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability equity award, expense recognized during period</link:label>
    <link:label id="lab_cmpr_Liabilityequityawardexpenserecognizedduringperiod_BF233A15B7DEE8FC2A812973DB8E393D_documentation_en-US" xlink:label="lab_cmpr_Liabilityequityawardexpenserecognizedduringperiod_BF233A15B7DEE8FC2A812973DB8E393D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liability equity award, expense recognized during period</link:label>
    <link:loc xlink:href="cmpr-20171231.xsd#cmpr_Liabilityequityawardexpenserecognizedduringperiod" xlink:label="loc_cmpr_Liabilityequityawardexpenserecognizedduringperiod_BF233A15B7DEE8FC2A812973DB8E393D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_VariableInterestEntityOwnershipPercentage_15A074CC73B2893169512973DB8E5C9E_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityOwnershipPercentage_15A074CC73B2893169512973DB8E5C9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Ownership Percentage</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityOwnershipPercentage_15A074CC73B2893169512973DB8E5C9E_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityOwnershipPercentage_15A074CC73B2893169512973DB8E5C9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_15A074CC73B2893169512973DB8E5C9E" xlink:type="locator" />
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    <link:label id="lab_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1_terseLabel_en-US" xlink:label="lab_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Call Option Period</link:label>
    <link:label id="lab_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1_label_en-US" xlink:label="lab_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Call Option Period</link:label>
    <link:label id="lab_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1_documentation_en-US" xlink:label="lab_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Call Option Period</link:label>
    <link:loc xlink:href="cmpr-20171231.xsd#cmpr_CallOptionPeriod" xlink:label="loc_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1" xlink:to="lab_cmpr_CallOptionPeriod_27B74727F19D3FAEE76F2973DB8EA6E1" xlink:type="arc" />
    <link:label id="lab_cmpr_AdditionalownershippercentagepurchaseVariableinterestentity_8D6CD4942A2CA4B6EFE82973DB8E0124_terseLabel_en-US" xlink:label="lab_cmpr_AdditionalownershippercentagepurchaseVariableinterestentity_8D6CD4942A2CA4B6EFE82973DB8E0124" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional ownership percentage purchase, Variable interest entity</link:label>
    <link:label id="lab_cmpr_AdditionalownershippercentagepurchaseVariableinterestentity_8D6CD4942A2CA4B6EFE82973DB8E0124_label_en-US" xlink:label="lab_cmpr_AdditionalownershippercentagepurchaseVariableinterestentity_8D6CD4942A2CA4B6EFE82973DB8E0124" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional ownership percentage purchase, Variable interest entity</link:label>
    <link:label id="lab_cmpr_AdditionalownershippercentagepurchaseVariableinterestentity_8D6CD4942A2CA4B6EFE82973DB8E0124_documentation_en-US" xlink:label="lab_cmpr_AdditionalownershippercentagepurchaseVariableinterestentity_8D6CD4942A2CA4B6EFE82973DB8E0124" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional ownership percentage purchase, Variable interest entity - percentage of amount agreed upon to purchase in future</link:label>
    <link:loc xlink:href="cmpr-20171231.xsd#cmpr_AdditionalownershippercentagepurchaseVariableinterestentity" xlink:label="loc_cmpr_AdditionalownershippercentagepurchaseVariableinterestentity_8D6CD4942A2CA4B6EFE82973DB8E0124" xlink:type="locator" />
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    <link:label id="lab_cmpr_Loanstoemployee_467736F8A32948504DF42973DB8E0B9B_terseLabel_en-US" xlink:label="lab_cmpr_Loanstoemployee_467736F8A32948504DF42973DB8E0B9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans to employee</link:label>
    <link:label id="lab_cmpr_Loanstoemployee_467736F8A32948504DF42973DB8E0B9B_label_en-US" xlink:label="lab_cmpr_Loanstoemployee_467736F8A32948504DF42973DB8E0B9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans to employee</link:label>
    <link:label id="lab_cmpr_Loanstoemployee_467736F8A32948504DF42973DB8E0B9B_documentation_en-US" xlink:label="lab_cmpr_Loanstoemployee_467736F8A32948504DF42973DB8E0B9B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans to employee - Loan to two Printi employees payable on the date the put or call option is exercised</link:label>
    <link:loc xlink:href="cmpr-20171231.xsd#cmpr_Loanstoemployee" xlink:label="loc_cmpr_Loanstoemployee_467736F8A32948504DF42973DB8E0B9B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DueFromEmployeesNoncurrent_0F9C995AAC2DC635C6922973DB8EAC2F_terseLabel_en-US" xlink:label="lab_us-gaap_DueFromEmployeesNoncurrent_0F9C995AAC2DC635C6922973DB8EAC2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due from Employees, Noncurrent</link:label>
    <link:label id="lab_us-gaap_DueFromEmployeesNoncurrent_0F9C995AAC2DC635C6922973DB8EAC2F_label_en-US" xlink:label="lab_us-gaap_DueFromEmployeesNoncurrent_0F9C995AAC2DC635C6922973DB8EAC2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due from Employees, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DueFromEmployeesNoncurrent" xlink:label="loc_us-gaap_DueFromEmployeesNoncurrent_0F9C995AAC2DC635C6922973DB8EAC2F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueFromEmployeesNoncurrent_0F9C995AAC2DC635C6922973DB8EAC2F" xlink:to="lab_us-gaap_DueFromEmployeesNoncurrent_0F9C995AAC2DC635C6922973DB8EAC2F" xlink:type="arc" />
    <link:label id="lab_cmpr_Interestrateonloanreceivable_F2DC5B29DC91CE3469542973DB8E904F_terseLabel_en-US" xlink:label="lab_cmpr_Interestrateonloanreceivable_F2DC5B29DC91CE3469542973DB8E904F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate on loan receivable</link:label>
    <link:label id="lab_cmpr_Interestrateonloanreceivable_F2DC5B29DC91CE3469542973DB8E904F_label_en-US" xlink:label="lab_cmpr_Interestrateonloanreceivable_F2DC5B29DC91CE3469542973DB8E904F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate on loan receivable</link:label>
    <link:label id="lab_cmpr_Interestrateonloanreceivable_F2DC5B29DC91CE3469542973DB8E904F_documentation_en-US" xlink:label="lab_cmpr_Interestrateonloanreceivable_F2DC5B29DC91CE3469542973DB8E904F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest rate on loan receivable - stated interest rate on loan to employees</link:label>
    <link:loc xlink:href="cmpr-20171231.xsd#cmpr_Interestrateonloanreceivable" xlink:label="loc_cmpr_Interestrateonloanreceivable_F2DC5B29DC91CE3469542973DB8E904F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountingPoliciesAbstract_B1F396F4FC2F98261D9D489726D098F0_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_B1F396F4FC2F98261D9D489726D098F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_B1F396F4FC2F98261D9D489726D098F0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_E6AE596ED1012D275125489726D67FFD_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_E6AE596ED1012D275125489726D67FFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation</link:label>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_E6AE596ED1012D275125489726D67FFD_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_E6AE596ED1012D275125489726D67FFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_E6AE596ED1012D275125489726D67FFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_E6AE596ED1012D275125489726D67FFD" xlink:to="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_E6AE596ED1012D275125489726D67FFD" xlink:type="arc" />
    <link:label id="lab_us-gaap_UseOfEstimates_373CB660260E3CBC3265489726D6C838_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_373CB660260E3CBC3265489726D6C838" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_UseOfEstimates_373CB660260E3CBC3265489726D6C838_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_373CB660260E3CBC3265489726D6C838" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_373CB660260E3CBC3265489726D6C838" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B40476C1419CB7EE04B4489726D75381_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B40476C1419CB7EE04B4489726D75381" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B40476C1419CB7EE04B4489726D75381_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B40476C1419CB7EE04B4489726D75381" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B40476C1419CB7EE04B4489726D75381" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B40476C1419CB7EE04B4489726D75381" xlink:to="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_B40476C1419CB7EE04B4489726D75381" xlink:type="arc" />
    <link:label id="lab_cmpr_GainonsaleofsubsidiaryPolicyTextBlock_582F934D0069C7535D2A489726D67D27_terseLabel_en-US" xlink:label="lab_cmpr_GainonsaleofsubsidiaryPolicyTextBlock_582F934D0069C7535D2A489726D67D27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on sale of subsidiary [Policy Text Block]</link:label>
    <link:label id="lab_cmpr_GainonsaleofsubsidiaryPolicyTextBlock_582F934D0069C7535D2A489726D67D27_label_en-US" xlink:label="lab_cmpr_GainonsaleofsubsidiaryPolicyTextBlock_582F934D0069C7535D2A489726D67D27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain on sale of subsidiary [Policy Text Block]</link:label>
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    <link:label id="lab_us-gaap_OtherNoncashExpense_142F33468F369BF00B832DEAB3029AC4_label_en-US" xlink:label="lab_us-gaap_OtherNoncashExpense_142F33468F369BF00B832DEAB3029AC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Expense</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_8B3ED255A1A60C88C85B2DEAB31212E1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_54C1FA2B85A661D884792DEAB312F4A6_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_54C1FA2B85A661D884792DEAB312F4A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_54C1FA2B85A661D884792DEAB312F4A6" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_9B207A31C0A90E9E5F7C2DEAB312D49B" xlink:type="locator" />
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